| ID Source | ID |
|---|---|
| PubMed CID | 961 |
| CHEBI ID | 16234 |
| MeSH ID | M0098577 |
| Synonym |
|---|
| CHEBI:16234 , |
| oh(-) |
| hydridooxygenate(1-) |
| oxidanide |
| 14337-01-0 |
| hydroxyl, ion |
| hydroxide(1-) |
| hydroxyl ion (oh1-) |
| hydroxide (8ci,9ci) |
| hydroxy ion |
| water, ion(1-) |
| hydroxyl anion |
| hydroxide ion(1-) |
| hydroxy anion |
| hydroxide anion |
| 14280-30-9 |
| hydroxide ion |
| a hydroxyl group |
| oh- |
| ho- |
| hydroxyl ion |
| OH , |
| hydroxide |
| C01328 |
| unii-9159uv381p |
| 9159uv381p , |
| XLYOFNOQVPJJNP-UHFFFAOYSA-M |
| DTXSID8074281 , |
| oxygen ion (o1-) |
| water ion(1-) |
| hydroxy |
| DB14522 |
| Q27109967 |
| Q199877 |
| dtxcid0034649 |
| Excerpt | Reference | Relevance |
|---|---|---|
| " Thus, MHEDYN should be very useful for comparing theoretical predictions with experimental measurements of metal bioavailability or of dynamic sensor response in a complete aquatic medium." | ( Metal flux and dynamic speciation at (bio)interfaces. Part IV: MHEDYN, a general code for metal flux computation; application to particulate complexants and their mixtures with the other natural ligands. Alemani, D; Buffle, J; Chopard, B; Galceran, J; Zhang, Z, 2008) | 0.35 |
| " However, the large size of mAbs limits the number of ligands per nanoparticle and severely restricts the bioavailability and distribution of these probes in a sample." | ( Oriented conjugation of single-domain antibodies and quantum dots. Brazhnik, K; Nabiev, I; Sukhanova, A, 2014) | 0.4 |
| "Nanohybrid of cefuroxime (CFO) with layered double hydroxide (LDH) has been prepared, and the rate of dissolution and bioavailability of CFO using nanohybrid as a drug delivery system has been broadly studied." | ( Nanohybrid based on antibiotic encapsulated layered double hydroxide as a drug delivery system. Alamry, KA; Alyahyawi, NA; Arshad, MN; Asiri, AM; Khan, SB; Marwani, HM, 2015) | 0.42 |
| " The multi-layered enteric polymer coating could potentially protect nanoparticle dissolution at gastric pH and accelerate the dissolution velocity, which would improve the drug bioavailability in the colon." | ( Multi-laminated metal hydroxide nanocontainers for oral-specific delivery for bioavailability improvement and treatment of inflammatory paw edema in mice. Deng, JP; Jeng, CC; Kankala, RK; Kankala, S; Kuthati, Y; Lee, CH; Liu, CL; Lue, SI; Shih, HY; Sie, HW; Weng, CF, 2015) | 0.42 |
| " Zn-arsenate precipitates could significantly decrease the concentration of Zn in aqueous solution and decrease the bioavailability and mobilization of Zn in soils." | ( Macroscopic and microscopic investigation of adsorption and precipitation of Zn on γ-alumina in the absence and presence of As. Fan, JX; Fan, TT; Gong, H; Li, W; Liu, C; Sparks, DL; Wang, YJ; Zhou, DM; Zhu, MQ, 2017) | 0.46 |
| " The HA-LDH and Artemisia ordosica could effectively decrease the bioavailability of heavy metals (such as Pb, Cr, Ni, Cd, Zn, and As) in the mine soil, and improve the enzyme activities of β-glucosidase, urease, and phosphatase." | ( Effects of humic acid-modified magnetic Fe Jiao, Y; Kang, F; Xiang, Y, 2019) | 0.51 |
| " Apparently, five different chemical forms of metals are known with varying affinity to binding sites, mobility, bioavailability and toxicity." | ( Association of metals with geochemical phases in wetland soils of a Ramsar site in India. Azeez, PA; Chandra, R; Prusty, BAK, 2019) | 0.51 |
| " Nanoparticles (NP) of GB and organophilized Layered Double Hydroxide (LDH) were developed to improve oral bioavailability and tested in streptozotocin-induced diabetic rats to evaluate therapeutic efficacy and safety." | ( Efficacy and safety of nanoparticles of glibenclamide and organomodified layered double hydroxides in diabetics rats. Alvarez-Lorenzo, C; da Costa Silva Neto, J; Dal Santo, G; Damasceno Leão, A; Duarte Vieira, L; Fontana Agostini, J; Gonçalves da Silva, T; Gonçalves Wanderley, A; Lamartine Soares-Sobrinho, J; Ribeiro da Silva, J; Rodrigues de Lima Porto Ramos, K, 2023) | 0.91 |
| Product Category | Products |
|---|---|
| Vitamins & Supplements | 1 |
| Product | Brand | Category | Compounds Matched from Ingredients | Date Retrieved |
|---|---|---|---|---|
| World Organic Multi Liqui-Mins -- 16 fl oz | World Organic | Vitamins & Supplements | Boron, carbonate, chromium nitrate, Chromium, hydroxide, Iodine, Manganese, Phosphorus, potassium iodide, Selenium, sodium selenite, sorbitol, tricalcium phosphate, Vanadyl Sulfate, ergocalciferol, zinc sulfate | 2024-11-29 10:47:42 |
| Role | Description |
|---|---|
| mouse metabolite | Any mammalian metabolite produced during a metabolic reaction in a mouse (Mus musculus). |
| [role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Class | Description |
|---|---|
| oxygen hydride | |
| [compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Timeframe | Studies, This Drug (%) | All Drugs % |
|---|---|---|
| pre-1990 | 74 (5.64) | 18.7374 |
| 1990's | 81 (6.17) | 18.2507 |
| 2000's | 409 (31.17) | 29.6817 |
| 2010's | 590 (44.97) | 24.3611 |
| 2020's | 158 (12.04) | 2.80 |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.
| This Compound (87.31) All Compounds (24.57) |
| Publication Type | This drug (%) | All Drugs (%) |
|---|---|---|
| Trials | 7 (0.52%) | 5.53% |
| Reviews | 37 (2.77%) | 6.00% |
| Case Studies | 0 (0.00%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 1,291 (96.70%) | 84.16% |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|---|---|---|---|---|
| ethylene dichloride ethylene dichloride: RN given refers to 1,2-isomer; structure given in first source. 1,2-dichloroethane : A member of the class of chloroethanes substituted by two chloro groups at positions 1 and 2. | 2.13 | 1 | 0 | chloroethanes | hepatotoxic agent; mutagen; non-polar solvent |
| 2,3-dihydroxybenzoic acid 2,3-dihydroxybenzoic acid: RN given refers to parent cpd. dihydroxybenzoic acid : Any member of the class of hydroxybenzoic acids carrying two phenolic hydroxy groups on the benzene ring and its derivatives.. 2,3-dihydroxybenzoic acid : A dihydroxybenzoic acid that is benzoic acid substituted by hydroxy groups at positions 2 and 3. It occurs naturally in Phyllanthus acidus and in the aquatic fern Salvinia molesta. | 2.69 | 3 | 0 | dihydroxybenzoic acid | human xenobiotic metabolite; plant metabolite |
| protocatechuic acid protocatechuic acid: RN given refers to parent cpd; structure. 3,4-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. | 2.76 | 2 | 0 | catechols; dihydroxybenzoic acid | antineoplastic agent; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor; human xenobiotic metabolite; plant metabolite |
| 4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.02 | 1 | 0 | monohydroxybenzoic acid | algal metabolite; plant metabolite |
| ethylene glycol Ethylene Glycol: A colorless, odorless, viscous dihydroxy alcohol. It has a sweet taste, but is poisonous if ingested. Ethylene glycol is the most important glycol commercially available and is manufactured on a large scale in the United States. It is used as an antifreeze and coolant, in hydraulic fluids, and in the manufacture of low-freezing dynamites and resins.. ethanediol : Any diol that is ethane or substituted ethane carrying two hydroxy groups.. ethylene glycol : A 1,2-glycol compound produced via reaction of ethylene oxide with water. | 2.03 | 1 | 0 | ethanediol; glycol | metabolite; mouse metabolite; solvent; toxin |
| acetic acid Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 2.6 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
| acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 2.02 | 1 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
| acetone methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 3.14 | 5 | 0 | ketone body; methyl ketone; propanones; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; human metabolite; polar aprotic solvent |
| adenine [no description available] | 2.4 | 2 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| agmatine Agmatine: Decarboxylated arginine, isolated from several plant and animal sources, e.g., pollen, ergot, herring sperm, octopus muscle. | 1.96 | 1 | 0 | guanidines; primary amino compound | Escherichia coli metabolite; mouse metabolite |
| ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 3.83 | 11 | 0 | azane; gas molecular entity; mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor; metabolite; mouse metabolite; neurotoxin; NMR chemical shift reference compound; nucleophilic reagent; refrigerant |
| arsenic acid arsenic acid: RN given refers to orthoarsenic acid(H3AsO4); see also sodium arsenate. arsenic acid : An arsenic oxoacid comprising one oxo group and three hydroxy groups attached to a central arsenic atom. | 2.52 | 2 | 0 | arsenic oxoacid | Escherichia coli metabolite |
| beta-alanine [no description available] | 2.11 | 1 | 0 | amino acid zwitterion; beta-amino acid | agonist; fundamental metabolite; human metabolite; inhibitor; neurotransmitter |
| benzene [no description available] | 2.94 | 4 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
| bromide Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) | 3.55 | 8 | 0 | halide anion; monoatomic bromine | |
| butyraldehyde [no description available] | 2.11 | 1 | 0 | butanals | biomarker; Escherichia coli metabolite; mouse metabolite |
| 1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 2.68 | 3 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
| butyric acid Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 2.01 | 1 | 0 | fatty acid 4:0; straight-chain saturated fatty acid | human urinary metabolite; Mycoplasma genitalium metabolite |
| carbon monoxide Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 3.54 | 8 | 0 | carbon oxide; gas molecular entity; one-carbon compound | biomarker; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; human metabolite; ligand; metabolite; mitochondrial respiratory-chain inhibitor; mouse metabolite; neurotoxin; neurotransmitter; P450 inhibitor; probe; signalling molecule; vasodilator agent |
| formic acid formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 3.12 | 5 | 0 | monocarboxylic acid | antibacterial agent; astringent; metabolite; protic solvent; solvent |
| catechol [no description available] | 2.02 | 1 | 0 | catechols | allelochemical; genotoxin; plant metabolite |
| methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 5.7 | 23 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
| chloroacetic acid chloroacetic acid: urinary metabolite of vinyl chloride; RN given refers to parent cpd; structure. chloroacetic acid : A chlorocarboxylic acid that is acetic acid carrying a 2-chloro substituent. | 2.03 | 1 | 0 | chlorocarboxylic acid; haloacetic acid | alkylating agent; herbicide |
| choline [no description available] | 1.92 | 1 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
| citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 3.07 | 3 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
| chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 4.88 | 34 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
| hydrochloric acid Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 2.42 | 2 | 0 | chlorine molecular entity; gas molecular entity; hydrogen halide; mononuclear parent hydride | mouse metabolite |
| coumarin 2H-chromen-2-one: coumarin derivative | 2.06 | 1 | 0 | coumarins | fluorescent dye; human metabolite; plant metabolite |
| salicylic acid Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 1.97 | 1 | 0 | monohydroxybenzoic acid | algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite |
| gallic acid gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 2.25 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
| octanoic acid octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764. octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid. | 1.99 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | antibacterial agent; Escherichia coli metabolite; human metabolite |
| 4-aminophenol 4-aminophenol: RN given refers to parent cpd. 4-aminophenol : An amino phenol (one of the three possible isomers) which has the single amino substituent located para to the phenolic -OH group. | 2.31 | 1 | 0 | aminophenol | allergen; metabolite |
| guaiacol Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2 | 1 | 0 | guaiacols | disinfectant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; expectorant; plant metabolite |
| trimetaphosphoric acid trimetaphosphoric acid: RN given refers to parent cpd; structure. cyclotriphosphoric acid : The cyclic anhydride of triphosphoric acid. | 3.45 | 1 | 1 | cyclic phosphorus acid anhydride; inorganic heterocyclic compound; phosphorus oxoacid | |
| malic acid malic acid : A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group.. 2-hydroxydicarboxylic acid : Any dicarboxylic acid carrying a hydroxy group on the carbon atom at position alpha to the carboxy group. | 2 | 1 | 0 | 2-hydroxydicarboxylic acid; C4-dicarboxylic acid | food acidity regulator; fundamental metabolite |
| propionaldehyde propionaldehyde: may cause respiratory irritation; RN given refers to parent cpd; structure. propanal : An aldehyde that consists of ethane bearing a formyl substituent. The parent of the class of propanals. | 2.06 | 1 | 0 | alpha-CH2-containing aldehyde; propanals | Escherichia coli metabolite |
| 3,4-dihydroxyphenylacetic acid 3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 1.99 | 1 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
| dibenzofuran Dibenzofurans: Compounds that include the structure of dibenzofuran.. dibenzofurans : Any organic heterotricyclic compound based on a dibenzofuran skeleton and its substituted derivatives thereof.. dibenzofuran : A mancude organic heterotricyclic parent that consists of a furan ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2.04 | 1 | 0 | dibenzofurans; mancude organic heterotricyclic parent; polycyclic heteroarene | xenobiotic |
| creatine [no description available] | 2.05 | 1 | 0 | glycine derivative; guanidines; zwitterion | geroprotector; human metabolite; mouse metabolite; neuroprotective agent; nutraceutical |
| cytosine [no description available] | 1.98 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| lactic acid Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 3.03 | 4 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
| 1,4-dihydroxy-2-naphthoic acid [no description available] | 2.03 | 1 | 0 | dihydroxy monocarboxylic acid; naphthalenediols; naphthohydroquinone; naphthoic acid | Escherichia coli metabolite |
| dimethylamine [no description available] | 2.03 | 1 | 0 | methylamines; secondary aliphatic amine | metabolite |
| dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.91 | 4 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
| formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 3 | 4 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| glycine [no description available] | 3.56 | 8 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
| glyceric acid glyceric acid: found in urine of patient with D-glyceric acidemia & hyperglycinaemia; RN given refers to parent cpd without isomeric designation. glycerol ether : Any ether having glyceryl as at least one of the O-substituents.. glyceric acid : A trionic acid that consists of propionic acid substituted at positions 2 and 3 by hydroxy groups. | 2.05 | 1 | 0 | trionic acid | fundamental metabolite |
| glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.75 | 3 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
| glycolaldehyde [no description available] | 2.02 | 1 | 0 | glycolaldehydes | fundamental metabolite; human metabolite |
| carbonic acid Carbonic Acid: Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed) | 2.48 | 2 | 0 | carbon oxoacid; chalcocarbonic acid | mouse metabolite |
| hydrogen cyanide Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.. hydrogen cyanide : A one-carbon compound consisting of a methine group triple bonded to a nitrogen atom | 2.03 | 1 | 0 | hydracid; one-carbon compound | Escherichia coli metabolite; human metabolite; poison |
| hydrogen carbonate Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 5.12 | 14 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| histamine [no description available] | 1.97 | 1 | 0 | aralkylamino compound; imidazoles | human metabolite; mouse metabolite; neurotransmitter |
| hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 12.35 | 57 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
| hydroxylamine amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group. | 3.11 | 5 | 0 | hydroxylamines | algal metabolite; bacterial xenobiotic metabolite; EC 1.1.3.13 (alcohol oxidase) inhibitor; EC 4.2.1.22 (cystathionine beta-synthase) inhibitor; EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor; nitric oxide donor; nucleophilic reagent |
| imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.52 | 2 | 0 | imidazole | |
| indole [no description available] | 2.05 | 1 | 0 | indole; polycyclic heteroarene | Escherichia coli metabolite |
| iodine Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.03 | 1 | 0 | diatomic iodine | nutrient |
| itaconic acid itaconic acid : A dicarboxylic acid that is methacrylic acid in which one of the methyl hydrogens is substituted by a carboxylic acid group. | 2.31 | 1 | 0 | dicarboxylic acid; dicarboxylic fatty acid; olefinic compound | fungal metabolite; human metabolite |
| pyruvaldehyde Pyruvaldehyde: An organic compound used often as a reagent in organic synthesis, as a flavoring agent, and in tanning. It has been demonstrated as an intermediate in the metabolism of acetone and its derivatives in isolated cell preparations, in various culture media, and in vivo in certain animals.. methylglyoxal : A 2-oxo aldehyde derived from propanal. | 2.02 | 1 | 0 | 2-oxo aldehyde; propanals | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 5.08 | 13 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
| inositol Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.. inositol : Any cyclohexane-1,2,3,4,5,6-hexol.. 1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.. muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration. | 2.05 | 1 | 0 | cyclitol; hexol | |
| nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 4.47 | 20 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
| nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 4.19 | 16 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
| nitric acid Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. | 2.43 | 2 | 0 | nitrogen oxoacid | protic solvent; reagent |
| nitroxyl nitroxyl: hydroxamic acid oxidized to nitroxyl free radical. nitroxyl : A nitrogen oxoacid consisting of an oxygen atom double-bonded to an NH group. | 2.72 | 3 | 0 | nitrogen oxoacid | |
| nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 3.4 | 7 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
| nitrous oxide Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.. dinitrogen oxide : A nitrogen oxide consisting of linear unsymmetrical molecules with formula N2O. While it is the most used gaseous anaesthetic in the world, its major commercial use, due to its solubility under pressure in vegetable fats combined with its non-toxicity in low concentrations, is as an aerosol spray propellant and aerating agent for canisters of 'whipped' cream. | 1.98 | 1 | 0 | gas molecular entity; nitrogen oxide | analgesic; bacterial metabolite; food packaging gas; food propellant; general anaesthetic; greenhouse gas; inhalation anaesthetic; NMDA receptor antagonist; raising agent; refrigerant; vasodilator agent |
| n,n-dimethylaniline N,N-dimethylaniline: RN given refers to parent cpd; structure. dimethylaniline : A methylaniline carrying at least two methyl groups.. N,N-dimethylaniline : A tertiary amine that is aniline in which the amino hydrogens are replaced by two methyl groups. | 2.11 | 1 | 0 | dimethylaniline; tertiary amine | |
| 1-octanol 1-Octanol: A colorless, slightly viscous liquid used as a defoaming or wetting agent. It is also used as a solvent for protective coatings, waxes, and oils, and as a raw material for plasticizers. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). octan-1-ol : An octanol carrying the hydroxy group at position 1. | 2.1 | 1 | 0 | octanol; primary alcohol | antifungal agent; bacterial metabolite; fuel additive; kairomone; plant metabolite |
| oxalic acid Oxalic Acid: A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.. oxalic acid : An alpha,omega-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2. | 2.42 | 2 | 0 | alpha,omega-dicarboxylic acid | algal metabolite; human metabolite; plant metabolite |
| 4-nitrophenol 4-nitrophenol: RN given refers to parent cpd. mononitrophenol : A nitrophenol that is phenol carrying a single nitro substituent at unspecified position.. 4-nitrophenol : A member of the class of 4-nitrophenols that is phenol in which the hydrogen that is para to the hydroxy group has been replaced by a nitro group. | 2.99 | 4 | 0 | 4-nitrophenols | human xenobiotic metabolite; mouse metabolite |
| palmitic acid Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 2.08 | 1 | 0 | long-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; Daphnia magna metabolite; EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor; plant metabolite |
| parathion [no description available] | 1.93 | 1 | 0 | C-nitro compound; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; mouse metabolite |
| pentachlorophenol PENTA: structure given in first source | 2.08 | 1 | 0 | aromatic fungicide; chlorophenol; organochlorine pesticide; pentachlorobenzenes | human xenobiotic metabolite |
| phenol [no description available] | 3.55 | 8 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
| phosphoric acid phosphoric acid: concise etchant is 37% H3PO4. phosphoric acid : A phosphorus oxoacid that consists of one oxo and three hydroxy groups joined covalently to a central phosphorus atom. | 2.44 | 2 | 0 | phosphoric acids | algal metabolite; fertilizer; human metabolite; NMR chemical shift reference compound; solvent |
| diphosphoric acid diphosphoric acid : An acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid. | 2.21 | 1 | 0 | acyclic phosphorus acid anhydride; phosphorus oxoacid | Escherichia coli metabolite |
| propylene glycol Propylene Glycol: A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.. propane-1,2-diol : The simplest member of the class of propane-1,2-diols, consisting of propane in which a hydrogen at position 1 and a hydrogen at position 2 are substituted by hydroxy groups. A colourless, viscous, hygroscopic, low-melting (-59degreeC) and high-boiling (188degreeC) liquid with low toxicity, it is used as a solvent, emulsifying agent, and antifreeze. | 2.44 | 2 | 0 | glycol; propane-1,2-diols | allergen; human xenobiotic metabolite; mouse metabolite; protic solvent |
| propionic acid propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.21 | 1 | 0 | saturated fatty acid; short-chain fatty acid | antifungal drug |
| pyrazinamide pyrazinecarboxamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of pyrazinoic acid (pyrazine-2-carboxylic acid) with ammonia. A prodrug for pyrazinoic acid, pyrazinecarboxamide is used as part of multidrug regimens for the treatment of tuberculosis. | 2.41 | 1 | 0 | monocarboxylic acid amide; N-acylammonia; pyrazines | antitubercular agent; prodrug |
| pyrazole 1H-pyrazole : The 1H-tautomer of pyrazole. | 2.05 | 1 | 0 | pyrazole | |
| pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.49 | 2 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
| pyruvic acid Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis. | 2.21 | 1 | 0 | 2-oxo monocarboxylic acid | cofactor; fundamental metabolite |
| quinolinic acid Quinolinic Acid: A metabolite of tryptophan with a possible role in neurodegenerative disorders. Elevated CSF levels of quinolinic acid are correlated with the severity of neuropsychological deficits in patients who have AIDS.. pyridinedicarboxylic acid : Any member of the class of pyridines carrying two carboxy groups.. quinolinic acid : A pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan. | 2.11 | 1 | 0 | pyridinedicarboxylic acid | Escherichia coli metabolite; human metabolite; mouse metabolite; NMDA receptor agonist |
| dimethyl sulfide dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group. | 2.63 | 3 | 0 | aliphatic sulfide | algal metabolite; bacterial xenobiotic metabolite; EC 3.5.1.4 (amidase) inhibitor; Escherichia coli metabolite; marine metabolite |
| selenic acid Selenic Acid: A strong dibasic acid with the molecular formula H2SeO4. Included under this heading is the acid form, and inorganic salts of dihydrogen selenium tetraoxide. | 2.15 | 1 | 0 | selenium oxoacid | |
| sulfites Sulfites: Inorganic salts of sulfurous acid.. sulfites : Any sulfurous acid derivative that is a salt or an ester of sulfurous acid.. organosulfonate oxoanion : An organic anion obtained by deprotonation of the sufonate group(s) of any organosulfonic acid.. sulfite : A sulfur oxoanion that is the conjugate base of hydrogen sulfite (H2SO3). | 2.02 | 1 | 0 | divalent inorganic anion; sulfur oxide; sulfur oxoanion | |
| spermidine [no description available] | 1.99 | 1 | 0 | polyazaalkane; triamine | autophagy inducer; fundamental metabolite; geroprotector |
| spermine [no description available] | 1.99 | 1 | 0 | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent |
| sulfuric acid sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 2.05 | 1 | 0 | sulfur oxoacid | catalyst |
| sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 2.45 | 2 | 0 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
| thiamine thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 2.41 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| thymine [no description available] | 2.37 | 2 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
| uric acid Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 2.39 | 2 | 0 | uric acid | Escherichia coli metabolite; human metabolite; mouse metabolite |
| urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 3.11 | 4 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| xanthine 7H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-7 is protonated.. 9H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-9 is protonated. | 2.41 | 2 | 0 | xanthine | Saccharomyces cerevisiae metabolite |
| menthol Menthol: A monoterpene cyclohexanol produced from mint oils. | 2.03 | 1 | 0 | p-menthane monoterpenoid; secondary alcohol | volatile oil component |
| 1-anilino-8-naphthalenesulfonate 1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.95 | 4 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
| 2,2'-dipyridyl 2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'. | 2.05 | 1 | 0 | bipyridine | chelator; ferroptosis inhibitor |
| 2,4-dichlorophenoxyacetic acid 2,4-Dichlorophenoxyacetic Acid: An herbicide with irritant effects on the eye and the gastrointestinal system.. 2,4-D : A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines. | 2.04 | 1 | 0 | chlorophenoxyacetic acid; dichlorobenzene | agrochemical; defoliant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; environmental contaminant; phenoxy herbicide; synthetic auxin |
| homovanillic acid Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 2.1 | 1 | 0 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
| 5,5-dimethyl-1-pyrroline-1-oxide 5,5-dimethyl-1-pyrroline-1-oxide: do not confuse with DMPO (4',5'-dihydroxy-7-methoxy-4-phenyl-5,2'-oxidocoumarin). 5,5-dimethyl-1-pyrroline N-oxide : A member of the class of 1-pyrroline nitrones (1-pyrroline N-oxides) resulting from the formal N-oxidation of 5,5-dimethyl-1-pyrroline. Used as a spin trap for the study of radicals formed by enzymatic acetaldehyde oxidation. | 2.68 | 3 | 0 | 1-pyrroline nitrones | neuroprotective agent; spin trapping reagent |
| 2,2'-azobis(2-amidinopropane) 2,2'-azobis(2-amidinopropane): water-soluble free-radical initiator | 2.06 | 1 | 0 | monoazo compound | |
| acetaminophen Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 2.21 | 1 | 0 | acetamides; phenols | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; cyclooxygenase 3 inhibitor; environmental contaminant; ferroptosis inducer; geroprotector; hepatotoxic agent; human blood serum metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
| ambroxol Ambroxol: A metabolite of BROMHEXINE that stimulates mucociliary action and clears the air passages in the respiratory tract. It is usually administered as the hydrochloride. | 1.99 | 1 | 0 | aromatic amine | |
| theophylline [no description available] | 1.93 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
| aspirin Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 2.21 | 1 | 0 | benzoic acids; phenyl acetates; salicylates | anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent |
| benzamide benzamide : An aromatic amide that consists of benzene bearing a single carboxamido substituent. The parent of the class of benzamides. | 2.03 | 1 | 0 | benzamides | |
| benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 2 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
| bupivacaine Bupivacaine: A widely used local anesthetic agent.. 1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide : A piperidinecarboxamide obtained by formal condensation of the carboxy group of N-butylpipecolic acid with the amino group of 2,6-dimethylaniline.. bupivacaine : A racemate composed of equimolar amounts of dextrobupivacaine and levobupivacaine. Used (in the form of its hydrochloride hydrate) as a local anaesthetic. | 2.17 | 1 | 0 | aromatic amide; piperidinecarboxamide; tertiary amino compound | |
| verapamil Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 1.99 | 1 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
| camphor, (+-)-isomer [no description available] | 2.1 | 1 | 0 | bornane monoterpenoid; cyclic monoterpene ketone | plant metabolite |
| carprofen carprofen: RN given refers to cpd without isomeric designation. carprofen : Propanoic acid in which one of the methylene hydrogens is substituted by a 6-chloro-9H-carbazol-2-yl group. A non-steroidal anti-inflammatory drug, it is no longer used in human medicine but is still used for treatment of arthritis in elderly dogs. | 2.17 | 1 | 0 | carbazoles; organochlorine compound | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug; photosensitizing agent |
| cefuroxime Cefuroxime: Broad-spectrum cephalosporin antibiotic resistant to beta-lactamase. It has been proposed for infections with gram-negative and gram-positive organisms, GONORRHEA, and HAEMOPHILUS.. cefuroxime : A 3-(carbamoyloxymethyl)cephalosporin compound having a 7-(2Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido side chain. | 2.11 | 1 | 0 | carbamate ester; cephalosporin | |
| celecoxib [no description available] | 2.11 | 1 | 0 | organofluorine compound; pyrazoles; sulfonamide; toluenes | cyclooxygenase 2 inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
| cetyltrimethylammonium ion Cetrimonium: Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics.. cetyltrimethylammonium ion : A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups. | 2.44 | 2 | 0 | quaternary ammonium ion | |
| cetyl alcohol cetyl alcohol: has been used for eczema, skin irritations; RN given refers to parent cpd; structure. hexadecanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of sixteen carbon atoms.. hexadecan-1-ol : A long-chain primary fatty alcohol that is hexadecane substituted by a hydroxy group at position 1. | 2.07 | 1 | 0 | hexadecanol; long-chain primary fatty alcohol | algal metabolite; flavouring agent; human metabolite; plant metabolite |
| chloroquine Chloroquine: The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.. chloroquine : An aminoquinoline that is quinoline which is substituted at position 4 by a [5-(diethylamino)pentan-2-yl]amino group at at position 7 by chlorine. It is used for the treatment of malaria, hepatic amoebiasis, lupus erythematosus, light-sensitive skin eruptions, and rheumatoid arthritis. | 1.96 | 1 | 0 | aminoquinoline; organochlorine compound; secondary amino compound; tertiary amino compound | anticoronaviral agent; antimalarial; antirheumatic drug; autophagy inhibitor; dermatologic drug |
| cimetidine Cimetidine: A histamine congener, it competitively inhibits HISTAMINE binding to HISTAMINE H2 RECEPTORS. Cimetidine has a range of pharmacological actions. It inhibits GASTRIC ACID secretion, as well as PEPSIN and GASTRIN output.. cimetidine : A member of the class of guanidines that consists of guanidine carrying a methyl substituent at position 1, a cyano group at position 2 and a 2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl group at position 3. It is a H2-receptor antagonist that inhibits the production of acid in stomach. | 1.97 | 1 | 0 | aliphatic sulfide; guanidines; imidazoles; nitrile | adjuvant; analgesic; anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
| eucalyptol [no description available] | 2.1 | 1 | 0 | ||
| ciprofloxacin Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively. | 3.05 | 4 | 0 | aminoquinoline; cyclopropanes; fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone; zwitterion | antibacterial drug; antiinfective agent; antimicrobial agent; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; environmental contaminant; topoisomerase IV inhibitor; xenobiotic |
| deferiprone Deferiprone: A pyridone derivative and iron chelator that is used in the treatment of IRON OVERLOAD in patients with THALASSEMIA.. deferiprone : A member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. | 2.02 | 1 | 0 | 4-pyridones | iron chelator; protective agent |
| deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 2.37 | 2 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
| diazinon Diazinon: A cholinesterase inhibitor that is used as an organothiophosphorus insecticide.. diazinon : A member of the class of pyrimidines that is pyrimidine carrying an isopropyl group at position 2, a methyl group at position 6 and a (diethoxyphosphorothioyl)oxy group at position 4. | 2.6 | 1 | 0 | organic thiophosphate; pyrimidines | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; nematicide; xenobiotic |
| diclofenac Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt.. diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. | 2.08 | 1 | 0 | amino acid; aromatic amine; dichlorobenzene; monocarboxylic acid; secondary amino compound | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
| dichlorvos Dichlorvos: An organophosphorus insecticide that inhibits ACETYLCHOLINESTERASE.. dichlorvos : An alkenyl phosphate that is the 2,2-dichloroethenyl ester of dimethyl phosphate. | 2.03 | 1 | 0 | alkenyl phosphate; dialkyl phosphate; organochlorine acaricide; organophosphate insecticide | anthelminthic drug; antibacterial agent; antifungal agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
| pentetic acid Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 1.97 | 1 | 0 | pentacarboxylic acid | copper chelator |
| emodin Emodin: Purgative anthraquinone found in several plants, especially RHAMNUS PURSHIANA. It was formerly used as a laxative, but is now used mainly as a tool in toxicity studies.. emodin : A trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs. | 2.21 | 1 | 0 | trihydroxyanthraquinone | antineoplastic agent; laxative; plant metabolite; tyrosine kinase inhibitor |
| erythrosine Fluoresceins: A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays. | 2.4 | 2 | 0 | ||
| ether Ether: A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes.. ether : An organooxygen compound with formula ROR, where R is not hydrogen.. diethyl ether : An ether in which the oxygen atom is linked to two ethyl groups. | 2.05 | 1 | 0 | ether; volatile organic compound | inhalation anaesthetic; non-polar solvent; refrigerant |
| ethylenediamine ethylenediamine: RN given refers to parent cpd; edamine is the recommended contraction for the ethylenediamine radical. ethylenediamine : An alkane-alpha,omega-diamine in which the alkane is ethane. | 2.04 | 1 | 0 | alkane-alpha,omega-diamine | GABA agonist |
| etidronate Etidronic Acid: A diphosphonate which affects calcium metabolism. It inhibits ectopic calcification and slows down bone resorption and bone turnover.. etidronic acid : A 1,1-bis(phosphonic acid) that is (ethane-1,1-diyl)bis(phosphonic acid) having a hydroxy substituent at the 1-position. It inhibits the formation, growth, and dissolution of hydroxyapatite crystals by chemisorption to calcium phosphate surfaces. | 2.6 | 1 | 0 | 1,1-bis(phosphonic acid) | antineoplastic agent; bone density conservation agent; chelator |
| famotidine Famotidine: A competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion. | 1.97 | 1 | 0 | 1,3-thiazoles; guanidines; sulfonamide | anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
| fenvalerate fenvalerate: synthetic pyrethroid; RN given refers to cpd without isomeric designation; structure. fenvalerate : A carboxylic ester obtained by formal condensation between 2-(4-chlorophenyl)-3-methylbutyric acid and cyano(3-phenoxyphenyl)methanol. | 2.01 | 1 | 0 | aromatic ether; carboxylic ester; monochlorobenzenes | pyrethroid ester acaricide; pyrethroid ester insecticide |
| fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.55 | 2 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
| flurbiprofen Flurbiprofen: An anti-inflammatory analgesic and antipyretic of the phenylalkynoic acid series. It has been shown to reduce bone resorption in periodontal disease by inhibiting CARBONIC ANHYDRASE.. flurbiprofen : A monocarboxylic acid that is a 2-fluoro-[1,1'-biphenyl-4-yl] moiety linked to C-2 of propionic acid. A non-steroidal anti-inflammatory, analgesic and antipyretic, it is used as a pre-operative anti-miotic as well as orally for arthritis or dental pain. | 2.41 | 1 | 0 | fluorobiphenyl; monocarboxylic acid | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
| 2,5-dihydroxybenzoic acid 2,5-dihydroxybenzoic acid: RN given refers to parent cpd; a oxidative product of saligenin. 2,5-dihydroxybenzoic acid : A dihydroxybenzoic acid having the two hydroxy groups at the 2- and 5-positions. | 1.97 | 1 | 0 | dihydroxybenzoic acid | EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; fungal metabolite; human metabolite; MALDI matrix material; mouse metabolite |
| glyburide Glyburide: An antidiabetic sulfonylurea derivative with actions like those of chlorpropamide. glyburide : An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. | 2.49 | 2 | 0 | monochlorobenzenes; N-sulfonylurea | anti-arrhythmia drug; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor; hypoglycemic agent |
| guanidine Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 2.44 | 2 | 0 | carboxamidine; guanidines; one-carbon compound | |
| haloperidol Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 2.52 | 2 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
| ethidium Ethidium: A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.. ethidium : The fluorescent compound widely used in experimental cell biology and biochemistry to reveal double-stranded DNA and RNA. | 2.11 | 1 | 0 | phenanthridines | fluorochrome; intercalator |
| ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.05 | 1 | 0 | monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; radical scavenger; xenobiotic |
| indomethacin Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 1.97 | 1 | 0 | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic metabolite; xenobiotic |
| isoniazid Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 2.06 | 1 | 0 | carbohydrazide | antitubercular agent; drug allergen |
| juglone juglone: structure. juglone : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogen at position 5 has been replaced by a hydroxy group. A plant-derived 1,4-naphthoquinone with confirmed antibacterial and antitumor activities. | 2.05 | 1 | 0 | hydroxy-1,4-naphthoquinone | geroprotector; herbicide; reactive oxygen species generator |
| ketorolac Ketorolac: A pyrrolizine carboxylic acid derivative structurally related to INDOMETHACIN. It is an NSAID and is used principally for its analgesic activity. (From Martindale The Extra Pharmacopoeia, 31st ed). ketorolac : A racemate comprising equimolar amounts of (R)-(+)- and (S)-(-)-5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid. While only the (S)-(-) enantiomer is a COX1 and COX2 inhibitor, the (R)-(+) enantiomer exhibits potent analgesic activity. A non-steroidal anti-inflammatory drug, ketorolac is mainly used (generally as the tromethamine salt) for its potent analgesic properties in the short-term management of post-operative pain, and in eye drops to relieve the ocular itching associated with seasonal allergic conjunctivitis. It was withdrawn from the market in many countries in 1993 following association with haemorrhage and renal failure.. 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid : A member of the class of pyrrolizines that is 2,3-dihydro-1H-pyrrolizine which is substituted at positions 1 and 5 by carboxy and benzoyl groups, respectively. | 2.08 | 1 | 0 | amino acid; aromatic ketone; monocarboxylic acid; pyrrolizines; racemate | analgesic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
| mimosine Mimosine: 3-Hydroxy-4-oxo-1(4H)-pyridinealanine. An antineoplastic alanine-substituted pyridine derivative isolated from Leucena glauca. | 2 | 1 | 0 | alpha-amino acid | |
| lithium hydroxide lithium hydroxide: used for tryptophan determinations in proteins & foods; RN given refers to cpd with MF of Li-OH | 2.48 | 2 | 0 | alkali metal hydroxide | |
| mefenamic acid Mefenamic Acid: A non-steroidal anti-inflammatory agent with analgesic, anti-inflammatory, and antipyretic properties. It is an inhibitor of cyclooxygenase.. mefenamic acid : An aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,3-dimethylphenyl group. Although classed as a non-steroidal anti-inflammatory drug, its anti-inflammatory properties are considered to be minor. It is used to relieve mild to moderate pain, including headaches, dental pain, osteoarthritis and rheumatoid arthritis. | 2.6 | 1 | 0 | aminobenzoic acid; secondary amino compound | analgesic; antipyretic; antirheumatic drug; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
| mesalamine Mesalamine: An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed). mesalamine : A monohydroxybenzoic acid that is salicylic acid substituted by an amino group at the 5-position. | 1.98 | 1 | 0 | amino acid; aromatic amine; monocarboxylic acid; monohydroxybenzoic acid; phenols | non-steroidal anti-inflammatory drug |
| methacrylic acid methacrylic acid: RN given refers to parent cpd. methacrylic acid : An alpha,beta-unsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. | 3.41 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | |
| metyrapone Metyrapone: An inhibitor of the enzyme STEROID 11-BETA-MONOOXYGENASE. It is used as a test of the feedback hypothalamic-pituitary mechanism in the diagnosis of CUSHING SYNDROME.. metyrapone : An aromatic ketone that is 3,3-dimethylbutan-2-one in which the methyl groups at positions 1 and 4 are replaced by pyridin-3-yl groups. A steroid 11beta-monooxygenase (EC 1.14.15.4) inhibitor, it is used in the diagnosis of adrenal insufficiency. | 1.94 | 1 | 0 | aromatic ketone | antimetabolite; diagnostic agent; EC 1.14.15.4 (steroid 11beta-monooxygenase) inhibitor |
| ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.99 | 1 | 0 | maleimides | anticoronaviral agent; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor; EC 2.7.1.1 (hexokinase) inhibitor |
| nifedipine Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 1.99 | 1 | 0 | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
| quinone benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.. 1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.. quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included). | 2.7 | 3 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse metabolite |
| 4-chlorophenol 4-chlorophenol: used as a root canal irrigant. 4-chlorophenol : A monochlorophenol substituted at the pare position by a chlorine atom. | 2.13 | 1 | 0 | monochlorophenol | |
| phenazopyridine Phenazopyridine: A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.. phenazopyridine : A diaminopyridine that is 2,6-diaminopyridine substituted at position 3 by a phenylazo group. A local anesthetic that has topical analgesic effect on mucosa lining of the urinary tract. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. | 2.11 | 1 | 0 | diaminopyridine; monoazo compound | anticoronaviral agent; carcinogenic agent; local anaesthetic; non-narcotic analgesic |
| phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 2.21 | 1 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
| o-phthalaldehyde o-Phthalaldehyde: A reagent that forms fluorescent conjugation products with primary amines. It is used for the detection of many biogenic amines, peptides, and proteins in nanogram quantities in body fluids.. phthalaldehyde : A dialdehyde in which two formyl groups are attached to adjacent carbon centres on a benzene ring. | 2.03 | 1 | 0 | benzaldehydes; dialdehyde | epitope |
| potassium chloride Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.. potassium chloride : A metal chloride salt with a K(+) counterion. | 4.51 | 5 | 1 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
| potassium iodide Potassium Iodide: An inorganic compound that is used as a source of iodine in thyrotoxic crisis and in the preparation of thyrotoxic patients for thyroidectomy. (From Dorland, 27th ed). potassium iodide : A metal iodide salt with a K(+) counterion. It is a scavenger of hydroxyl radicals. | 1.97 | 1 | 0 | potassium salt | expectorant; radical scavenger |
| propofol Propofol: An intravenous anesthetic agent which has the advantage of a very rapid onset after infusion or bolus injection plus a very short recovery period of a couple of minutes. (From Smith and Reynard, Textbook of Pharmacology, 1992, 1st ed, p206). Propofol has been used as ANTICONVULSANTS and ANTIEMETICS.. propofol : A phenol resulting from the formal substitution of the hydrogen at the 2 position of 1,3-diisopropylbenzene by a hydroxy group. | 2.15 | 1 | 0 | phenols | anticonvulsant; antiemetic; intravenous anaesthetic; radical scavenger; sedative |
| protoporphyrin ix protoporphyrin IX: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7685. protoporphyrin : A cyclic tetrapyrrole that consists of porphyrin bearing four methyl substituents at positions 3, 8, 13 and 17, two vinyl substituents at positions 7 and 12 and two 2-carboxyethyl substituents at positions 2 and 18. The parent of the class of protoporphyrins. | 2.1 | 1 | 0 | ||
| roxarsone Roxarsone: An arsenic derivative which has anticoccidial action and promotes growth in animals.. roxarsone : An organoarsonic acid where the organyl group is 4-hydroxy-3-nitrophenyl. | 7.13 | 1 | 0 | 2-nitrophenols; organoarsonic acid | agrochemical; animal growth promotant; antibacterial drug; coccidiostat |
| sodium fluoride [no description available] | 3.12 | 5 | 0 | fluoride salt | mutagen |
| sulfamethoxazole Sulfamethoxazole: A bacteriostatic antibacterial agent that interferes with folic acid synthesis in susceptible bacteria. Its broad spectrum of activity has been limited by the development of resistance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p208). sulfamethoxazole : An isoxazole (1,2-oxazole) compound having a methyl substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 3-position. | 2.25 | 1 | 0 | isoxazoles; substituted aniline; sulfonamide antibiotic; sulfonamide | antibacterial agent; antiinfective agent; antimicrobial agent; drug allergen; EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor; EC 2.5.1.15 (dihydropteroate synthase) inhibitor; environmental contaminant; epitope; P450 inhibitor; xenobiotic |
| sulfasalazine Sulfasalazine: A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907). sulfasalazine : An azobenzene consisting of diphenyldiazene having a carboxy substituent at the 4-position, a hydroxy substituent at the 3-position and a 2-pyridylaminosulphonyl substituent at the 4'-position. | 2.11 | 1 | 0 | ||
| sumatriptan Sumatriptan: A serotonin agonist that acts selectively at 5HT1 receptors. It is used in the treatment of MIGRAINE DISORDERS.. sumatriptan : A sulfonamide that consists of N,N-dimethyltryptamine bearing an additional (N-methylsulfamoyl)methyl substituent at position 5. Selective agonist for a vascular 5-HT1 receptor subtype (probably a member of the 5-HT1D family). Used (in the form of its succinate salt) for the acute treatment of migraine with or without aura in adults. | 2.41 | 1 | 0 | sulfonamide; tryptamines | serotonergic agonist; vasoconstrictor agent |
| krypton Krypton: A noble gas that is found in the atmosphere. It has the atomic symbol Kr, atomic number 36, atomic weight 83.80, and has been used in electric bulbs. | 2.06 | 1 | 0 | monoatomic krypton; noble gas atom; p-block element atom | |
| thalidomide Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.. thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.. 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group. | 7.07 | 1 | 0 | phthalimides; piperidones | |
| tiopronin Tiopronin: Sulfhydryl acylated derivative of GLYCINE. | 2.05 | 1 | 0 | N-acyl-amino acid | |
| trimethoprim Trimethoprim: A pyrimidine inhibitor of dihydrofolate reductase, it is an antibacterial related to PYRIMETHAMINE. It is potentiated by SULFONAMIDES and the TRIMETHOPRIM, SULFAMETHOXAZOLE DRUG COMBINATION is the form most often used. It is sometimes used alone as an antimalarial. TRIMETHOPRIM RESISTANCE has been reported.. trimethoprim : An aminopyrimidine antibiotic whose structure consists of pyrimidine 2,4-diamine and 1,2,3-trimethoxybenzene moieties linked by a methylene bridge. | 2.6 | 1 | 0 | aminopyrimidine; methoxybenzenes | antibacterial drug; diuretic; drug allergen; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; environmental contaminant; xenobiotic |
| pirinixic acid pirinixic acid: structure | 2.08 | 1 | 0 | aryl sulfide; organochlorine compound; pyrimidines | |
| thymidine [no description available] | 2.42 | 2 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
| thyroxine Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 2.44 | 2 | 0 | 2-halophenol; iodophenol; L-phenylalanine derivative; non-proteinogenic L-alpha-amino acid; thyroxine zwitterion; thyroxine | antithyroid drug; human metabolite; mouse metabolite; thyroid hormone |
| penicillamine Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group. | 2.42 | 2 | 0 | non-proteinogenic alpha-amino acid; penicillamine | antirheumatic drug; chelator; copper chelator; drug allergen |
| trichlorfon Trichlorfon: An organochlorophosphate cholinesterase inhibitor that is used as an insecticide for the control of flies and roaches. It is also used in anthelmintic compositions for animals. (From Merck, 11th ed). trichlorfon : A phosphonic ester that is dimethyl phosphonate in which the hydrogen atom attched to the phosphorous is substituted by a 2,2,2-trichloro-1-hydroxyethyl group. | 2.07 | 1 | 0 | organic phosphonate; organochlorine compound; phosphonic ester | agrochemical; anthelminthic drug; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; insecticide |
| estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 2.6 | 1 | 0 | 17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols | antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite |
| pentylenetetrazole Pentylenetetrazole: A pharmaceutical agent that displays activity as a central nervous system and respiratory stimulant. It is considered a non-competitive GAMMA-AMINOBUTYRIC ACID antagonist. Pentylenetetrazole has been used experimentally to study seizure phenomenon and to identify pharmaceuticals that may control seizure susceptibility.. pentetrazol : An organic heterobicyclic compound that is 1H-tetrazole in which the hydrogens at positions 1 and 5 are replaced by a pentane-1,5-diyl group. A central and respiratory stimulant, it was formerly used for the treatment of cough and other respiratory tract disorders, cardiovascular disorders including hypotension, and pruritis. | 2.06 | 1 | 0 | organic heterobicyclic compound; organonitrogen heterocyclic compound | |
| triiodothyronine Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3.. 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. | 2.15 | 1 | 0 | 2-halophenol; amino acid zwitterion; iodophenol; iodothyronine | human metabolite; mouse metabolite; thyroid hormone |
| diethylnitrosamine Diethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties.. N-nitrosodiethylamine : A nitrosamine that is N-ethylethanamine substituted by a nitroso group at the N-atom. | 2.21 | 1 | 0 | nitrosamine | carcinogenic agent; hepatotoxic agent; mutagen |
| carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.45 | 2 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
| alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 3.41 | 7 | 0 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
| serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 3.28 | 6 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 3.27 | 6 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
| glutamine Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 2.46 | 2 | 0 | amino acid zwitterion; glutamine family amino acid; glutamine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
| lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 2.96 | 4 | 0 | aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid | algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| benzyltrimethylammonium benzyltrimethylammonium: RN given refers to parent cpd | 2.1 | 1 | 0 | ||
| cyanides Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 3.9 | 12 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
| sulfamic acid sulfamic acid: standard in alkalimetry; RN given refers to parent cpd; structure. sulfamic acid : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to hydroxy and amino groups and by double bonds to two oxygen atoms. | 2.1 | 1 | 0 | sulfamic acids | |
| sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 2.94 | 4 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
| adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.7 | 3 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
| 2,3,4,6-tetrachlorophenol 2,3,4,6-tetrachlorophenol: RN given refers to parent cpd; see also record for tetrachlorophenol with locants for chloro groups not specified. 2,3,4,6-tetrachlorophenol : A tetrachlorophenol in which the chlorines are located at positions 2, 3, 4, and 6. | 2.48 | 2 | 0 | tetrachlorophenol | xenobiotic metabolite |
| uridine [no description available] | 2.4 | 2 | 0 | uridines | drug metabolite; fundamental metabolite; human metabolite |
| kanamycin a Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components. | 2.02 | 1 | 0 | kanamycins | bacterial metabolite |
| galactose galactopyranose : The pyranose form of galactose. | 3.16 | 5 | 0 | D-galactose; galactopyranose | Escherichia coli metabolite; mouse metabolite |
| phenylephrine Phenylephrine: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.. phenylephrine : A member of the class of the class of phenylethanolamines that is (1R)-2-(methylamino)-1-phenylethan-1-ol carrying an additional hydroxy substituent at position 3 on the phenyl ring. | 2.02 | 1 | 0 | phenols; phenylethanolamines; secondary amino compound | alpha-adrenergic agonist; cardiotonic drug; mydriatic agent; nasal decongestant; protective agent; sympathomimetic agent; vasoconstrictor agent |
| levodopa Levodopa: The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system.. L-dopa : An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | 2.43 | 2 | 0 | amino acid zwitterion; dopa; L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | allelochemical; antidyskinesia agent; antiparkinson drug; dopaminergic agent; hapten; human metabolite; mouse metabolite; neurotoxin; plant growth retardant; plant metabolite; prodrug |
| edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 4.5 | 5 | 1 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
| phenylethyl alcohol Phenylethyl Alcohol: An antimicrobial, antiseptic, and disinfectant that is used also as an aromatic essence and preservative in pharmaceutics and perfumery.. 2-phenylethanol : A primary alcohol that is ethanol substituted by a phenyl group at position 2. | 2.05 | 1 | 0 | benzenes; primary alcohol | Aspergillus metabolite; fragrance; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite |
| tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 5.38 | 18 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
| cysteamine Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 2.05 | 1 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
| adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.48 | 2 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
| methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 2.93 | 3 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
| leucine Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 2.42 | 2 | 0 | amino acid zwitterion; L-alpha-amino acid; leucine; proteinogenic amino acid; pyruvate family amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
| methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.7 | 3 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
| 1,2-dipalmitoylphosphatidylcholine 1,2-Dipalmitoylphosphatidylcholine: Synthetic phospholipid used in liposomes and lipid bilayers to study biological membranes. It is also a major constituent of PULMONARY SURFACTANTS. | 2.06 | 1 | 0 | ||
| phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 3.52 | 8 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid | algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| colchicine (S)-colchicine : A colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. | 2.05 | 1 | 0 | alkaloid; colchicine | anti-inflammatory agent; gout suppressant; mutagen |
| cytidine [no description available] | 1.99 | 1 | 0 | cytidines | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| n-hexanal [no description available] | 2.01 | 1 | 0 | medium-chain fatty aldehyde; n-alkanal; saturated fatty aldehyde | human urinary metabolite |
| thiamine hydrochloride thiamine hydrochloride : A hydrochloride obtained by combining thiamine chloride with one molar equivalent of hydrochloric acid. | 2.41 | 1 | 0 | hydrochloride; vitamin B1 | insect repellent |
| chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 2.45 | 2 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
| ampicillin Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.. ampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | 2.08 | 1 | 0 | beta-lactam antibiotic; penicillin allergen; penicillin | antibacterial drug |
| mannitol [no description available] | 2.68 | 3 | 0 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
| ornithine Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 3.06 | 1 | 0 | non-proteinogenic L-alpha-amino acid; ornithine | algal metabolite; hepatoprotective agent; mouse metabolite |
| asparagine Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 2.71 | 3 | 0 | amino acid zwitterion; asparagine; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 3.53 | 8 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
| threonine Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 2.95 | 4 | 0 | amino acid zwitterion; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid; threonine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.94 | 4 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 3.8 | 3 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
| ethane Ethane: A two carbon alkane with the formula H3C-CH3.. ethane : An alkane comprising of two carbon atoms. | 2.02 | 1 | 0 | alkane; gas molecular entity | plant metabolite; refrigerant |
| ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 2.36 | 2 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
| acetylene [no description available] | 2.08 | 1 | 0 | alkyne; gas molecular entity; terminal acetylenic compound | |
| methyl chloride Methyl Chloride: A hydrocarbon used as an industrial solvent. It has been used as an aerosal propellent, as a refrigerant and as a local anesthetic. (From Martindale, The Extra Pharmacopoeia, 31st ed, p1403). chlorocarbon : Compounds consisting wholly of chlorine and carbon.. chloromethane : A one-carbon compound that is methane in which one of the hydrogens is replaced by a chloro group. | 2.06 | 1 | 0 | chloromethanes; methyl halides | marine metabolite; mutagen; refrigerant |
| methyl iodide methyl iodide: RN given refers to unlabeled cpd with MF of CH3-I. iodomethane : A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine. | 3.46 | 2 | 0 | iodomethanes; methyl halides | fumigant insecticide |
| methylamine methyl group : An alkyl group that is the univalent group derived from methane by removal of a hydrogen atom. | 2.72 | 3 | 0 | methylamines; one-carbon compound; primary aliphatic amine | mouse metabolite |
| boranes Boranes: The collective name for the boron hydrides, which are analogous to the alkanes and silanes. Numerous boranes are known. Some have high calorific values and are used in high-energy fuels. (From Grant & Hackh's Chemical Dictionary, 5th ed). borane : The simplest borane, consisting of a single boron atom carrying three hydrogens.. boranes : The molecular hydrides of boron. | 2.08 | 1 | 0 | boranes; mononuclear parent hydride | |
| ethylamine ethylamine : A two-carbon primary aliphatic amine. | 2.05 | 1 | 0 | primary aliphatic amine | human metabolite |
| acetonitrile acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 3.55 | 2 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
| methylene chloride Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.. dichloromethane : A member of the class of chloromethanes that is methane in which two of the hydrogens have been replaced by chlorine. A dense, non-flammible colourless liquid at room temperature (b.p. 40degreeC, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea. | 2.06 | 1 | 0 | chloromethanes; volatile organic compound | carcinogenic agent; polar aprotic solvent; refrigerant |
| ethylene oxide Ethylene Oxide: A colorless and flammable gas at room temperature and pressure. Ethylene oxide is a bactericidal, fungicidal, and sporicidal disinfectant. It is effective against most micro-organisms, including viruses. It is used as a fumigant for foodstuffs and textiles and as an agent for the gaseous sterilization of heat-labile pharmaceutical and surgical materials. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p794). oxirane : A saturated organic heteromonocyclic parent that is a three-membered heterocycle of two carbon atoms and one oxygen atom. | 2.74 | 3 | 0 | gas molecular entity; oxacycle; saturated organic heteromonocyclic parent | allergen; mouse metabolite; mutagen |
| phosgene Phosgene: A highly toxic gas that has been used as a chemical warfare agent. It is an insidious poison as it is not irritating immediately, even when fatal concentrations are inhaled. (From The Merck Index, 11th ed, p7304). phosgene : An acyl chloride obtained by substitution of both hydrogens of formaldehyde by chlorine.. chloroketone : A ketone containing a chloro substituent. | 2.03 | 1 | 0 | acyl chloride | |
| tetramethylammonium tetramethylammonium: RN given refers to parent cpd. tetramethylammonium : The simplest quaternary ammonium cation, comprising a central nitrogen linked to four methyl groups. | 7.49 | 2 | 0 | quaternary ammonium ion | |
| tert-butyl alcohol tert-Butyl Alcohol: An isomer of butanol that contains a tertiary butyl group that consists of three methyl groups, each separately attached to a central (tertiary) carbon.. tert-butanol : A tertiary alcohol alcohol that is isobutane substituted by a hydroxy group at position 2. | 2.41 | 2 | 0 | tertiary alcohol | human xenobiotic metabolite |
| trifluoroethanol Trifluoroethanol: A non-aqueous co-solvent that serves as tool to study protein folding. It is also used in various pharmaceutical, chemical and engineering applications. | 2.48 | 2 | 0 | fluoroalcohol | |
| tert-butylhydroperoxide tert-Butylhydroperoxide: A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(2+)-dependent signal transduction in vascular endothelial cells. It is also used as a catalyst in polymerization reactions and to introduce peroxy groups into organic molecules.. tert-butyl hydroperoxide : An alkyl hydroperoxide in which the alkyl group is tert-butyl. It is widely used in a variety of oxidation processes. | 2.05 | 1 | 0 | alkyl hydroperoxide | antibacterial agent; oxidising agent |
| pivalic acid pivalic acid: RN given refers to parent cpd; structure. pivalic acid : A branched, short-chain fatty acid composed of propanoic acid having two methyl substituents at the 2-position. | 2.04 | 1 | 0 | branched-chain saturated fatty acid; methyl-branched fatty acid; short-chain fatty acid | |
| trifluoroacetic acid Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 2.72 | 3 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; reagent |
| divinyl sulfone divinyl sulfone: cross-linking reagent for agarose gels. divinyl sulfone : A sulfone compound having two S-vinyl substituents. | 2.06 | 1 | 0 | sulfone | cross-linking reagent |
| tromethamine Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 2.02 | 1 | 0 | primary amino compound; triol | buffer |
| triethyl phosphate triethyl phosphate: structure. triethyl phosphate : A trialkyl phosphate that is the triethy ester derivative of phosphoric acid. | 2.08 | 1 | 0 | trialkyl phosphate | |
| isoprene isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 3 | 4 | 0 | alkadiene; hemiterpene; volatile organic compound | plant metabolite |
| methacrylaldehyde [no description available] | 2.06 | 1 | 0 | enal | |
| 3-buten-2-one buten-2-one : A methyl ketone that is butan-2-one with an unsaturation at position 3. | 2.06 | 1 | 0 | enone; methyl ketone | |
| trichloroethylene Trichloroethylene: A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment.. triol : A chemical compound containing three hydroxy groups. | 2.49 | 2 | 0 | chloroethenes | inhalation anaesthetic; mouse metabolite |
| acrylic acid acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | 4.59 | 5 | 1 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
| methyl acetate methyl acetate : An acetate ester resulting from the formal condensation of acetic acid with methanol. A low-boiling (57 degreeC) colourless, flammable liquid, it is used as a solvent for many resins and oils. | 2 | 1 | 0 | acetate ester; methyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; fragrance; polar aprotic solvent |
| methacrylamide [no description available] | 2.15 | 1 | 0 | acrylamides; primary carboxamide | |
| dichloroacetic acid [no description available] | 2.03 | 1 | 0 | monocarboxylic acid; organochlorine compound | astringent; marine metabolite |
| bisphenol a 4,4'-isopropylidene diphenol: stimulates proliferative responses and cytokine productions of murine spleen cells and thymus cells in vitro. bisphenol : By usage, the methylenediphenols, HOC6H4CH2C6H4OH, commonly p,p-methylenediphenol, and their substitution products (generally derived from condensation of two equivalent amounts of a phenol with an aldehyde or ketone). The term also includes analogues in the the methylene (or substituted methylene) group has been replaced by a heteroatom.. bisphenol A : A bisphenol that is 4,4'-methanediyldiphenol in which the methylene hydrogens are replaced by two methyl groups. | 2.45 | 2 | 0 | bisphenol | endocrine disruptor; environmental contaminant; xenobiotic; xenoestrogen |
| alpha-pinene [no description available] | 2.44 | 2 | 0 | pinene | plant metabolite |
| rhodamine b rhodamine B: RN & N1 from 9th CI Form Index; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7973; TETRAETHYLRHODAMINE was see RHODAMINES 1975-93; use RHODAMINES to search TETRAETHYLRHODAMINE 1975-93. rhodamine B : An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome. | 2.72 | 2 | 0 | organic chloride salt; xanthene dye | fluorescent probe; fluorochrome; histological dye |
| lawsone lawsone: a molluscacide from leaves of Lawsonia inermis L. topical sunscreening agent; structure; powdered leaves of Lawsonia inermis(Lythraceae) used as brown hair dye. lawsone : 1,4-Naphthoquinone carrying a hydroxy function at C-2. It is obtained from the leaves of Lawsonia inermis. | 2.04 | 1 | 0 | ||
| rotenone Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 2.02 | 1 | 0 | organic heteropentacyclic compound; rotenones | antineoplastic agent; metabolite; mitochondrial NADH:ubiquinone reductase inhibitor; phytogenic insecticide; piscicide; toxin |
| dichlorodicyanobenzoquinone dichlorodicyanobenzoquinone: request from searcher | 2.39 | 2 | 0 | ||
| 1-nitronaphthalene 1-nitronaphthalene: RN given refers to cpd with locant for nitro moiety in 1 position. 1-nitronaphthalene : A mononitronaphthalene substituted by a nitro group at position 1.. mononitronaphthalene : A nitronaphthalene carrying a single nitro group at unspecified position.. nitronaphthalene : A nitroarene that is naphthalene substituted by at least one nitro group. | 2.06 | 1 | 0 | mononitronaphthalene | environmental contaminant; mouse metabolite |
| 1,2,3-trichlorobenzene trichlorobenzene: commercial grade of trichlorobenzene containing 70% 1,2,4-trichlorobenzene & 30% 1,2,3-trichlorobenzene; see also record for 1,2,4-trichlorobenzene. trichlorobenzene : Any member of the class of chlorobenzenes carrying three chloro substituents at unspecified positions.. 1,2,3-trichlorobenzene : A trichlorobenzene carrying chloro substituents at positions 1, 2 and 3. | 2.21 | 1 | 0 | trichlorobenzene | |
| salicylaldehyde o-hydroxybenzaldehyde: structure in first source | 2.11 | 1 | 0 | hydroxybenzaldehyde | nematicide; plant metabolite |
| xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.11 | 1 | 0 | xanthene | |
| propylparaben Parabens: Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872) | 2.49 | 2 | 0 | benzoate ester; paraben; phenols | antifungal agent; antimicrobial agent |
| benzothiazole benzothiazole: structure. benzothiazole : An organic heterobicyclic compound that is a fusion product between benzene and thiazole. The parent of the class of benzothiazoles. | 2.79 | 3 | 0 | benzothiazoles | environmental contaminant; plant metabolite; xenobiotic |
| 2-chlorophenol chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms. | 2.04 | 1 | 0 | 2-halophenol; monochlorophenol | |
| 4-butyrolactone 4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.. tetrahydrofuranone : Any oxolane having an oxo- substituent at any position on the tetrahydrofuran ring.. gamma-butyrolactone : A butan-4-olide that is tetrahydrofuran substituted by an oxo group at position 2. | 2 | 1 | 0 | butan-4-olide | metabolite; neurotoxin |
| 4-toluenesulfonyl chloride [no description available] | 2.06 | 1 | 0 | ||
| nitrobenzene nitrobenzene : A nitroarene consisting of benzene carrying a single nitro substituent. An industrial chemical used widely in the production of aniline. | 2.02 | 1 | 0 | nitroarene; nitrobenzenes | |
| anisole anisole : A monomethoxybenzene that is benzene substituted by a methoxy group. | 2.05 | 1 | 0 | monomethoxybenzene | plant metabolite |
| quinuclidines Quinuclidines: A class of organic compounds which contain two rings that share a pair of bridgehead carbon atoms and contains an amine group. | 2.1 | 1 | 0 | quinuclidines; saturated organic heterobicyclic parent | |
| triethanolamine triethanolamine: RN given refers to parent cpd. triethanolamine : A tertiary amino compound that is ammonia in which each of the hydrogens is substituted by a 2-hydroxyethyl group. | 2.02 | 1 | 0 | amino alcohol; tertiary amino compound; triol | buffer; surfactant |
| 1,2,6-hexanetriol 1,2,6-hexanetriol: structure in first source | 2.05 | 1 | 0 | aliphatic alcohol | |
| glycidyl methacrylate glycidyl methacrylate: RN given refers to monomer. glycidyl methacrylate : An enoate ester obtained by formal condensation of the carboxy group of methacrylic acid with the hydroxy group of glycidol. | 2.05 | 1 | 0 | enoate ester; epoxide | |
| acrolein [no description available] | 2.72 | 3 | 0 | enal | herbicide; human xenobiotic metabolite; toxin |
| allyl alcohol allyl alcohol: structure. allylic alcohol : An alcohol where the hydroxy group is attached to a saturated carbon atom adjacent to a double bond (R groups may be H, organyl, etc.).. allyl alcohol : A propenol in which the C=C bond connects C-2 and C-3. It is has been found in garlic (Allium sativum). Formerly used as a herbicide for the control of various grass and weed seeds. | 2.03 | 1 | 0 | primary allylic alcohol; propenol | antibacterial agent; fungicide; herbicide; insecticide; plant metabolite |
| glyoxal [no description available] | 2.08 | 1 | 0 | dialdehyde | agrochemical; allergen; pesticide; plant growth regulator |
| sarin Sarin: An organophosphorus ester compound that produces potent and irreversible inhibition of cholinesterase. It is toxic to the nervous system and is a chemical warfare agent.. isopropyl methylphosphonofluoridate : A phosphinic ester that is the isopropyl ester of methylphosphonofluoridic acid.. sarin : A racemate composed of equal amounts of (R)- and (S)-sarin. A potent and irreversible inhibitor of acetylcholinesterase that is toxic to the nervous system and is employed as a chemical warfare agent. | 2.46 | 2 | 0 | fluorine molecular entity; phosphinic ester | |
| 1,3-butylene glycol 1,3-butylene glycol: RN given refers to cpd without isomeric designation. butane-1,3-diol : A butanediol compound having two hydroxy groups in the 1- and 3-positions. | 2.06 | 1 | 0 | butanediol; glycol | |
| diisopropylamine diisopropylamine: structure given in first source | 2.1 | 1 | 0 | ||
| maleic anhydride Maleic Anhydrides: Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. It is a powerful irritant and causes burns.. maleic anhydride : A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. | 2.21 | 1 | 0 | cyclic dicarboxylic anhydride; furans | allergen |
| glutaric anhydride glutaric anhydride: RN given in first source. glutaric anhydride : A cyclic dicarboxylic anhydride that is oxane which carries oxo groups at positions 2 and 6. It is used as an intermediate in the production of pharmaceuticals, corrosion inhibitors, and polymers (E.g. epoxy polyesters). | 2 | 1 | 0 | cyclic dicarboxylic anhydride; oxanes | |
| melamine melamine: RN given refers to parent cpd; structure. melamine : A trimer of cyanamide, with a 1,3,5-triazine skeleton. | 3.35 | 1 | 0 | triamino-1,3,5-triazine | xenobiotic metabolite |
| cyclohexanol Cyclohexanols: Monohydroxy derivatives of cyclohexanes that contain the general formula R-C6H11O. They have a camphorlike odor and are used in making soaps, insecticides, germicides, dry cleaning, and plasticizers.. cyclohexanols : An alcohol in which one or more hydroxy groups are attached to a cyclohexane skeleton. | 2.74 | 3 | 0 | cyclohexanols; secondary alcohol | solvent |
| triethylene glycol dimethacrylate [no description available] | 2.1 | 1 | 0 | ||
| pentane Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 3 | 4 | 0 | alkane; volatile organic compound | non-polar solvent; refrigerant |
| ethyl vinyl ether ethyl vinyl ether: structure | 2.1 | 1 | 0 | ||
| ethyl formate ethyl formate : A formate ester resulting from the formal condensation of formic acid with ethanol.. ethoxycarbonyl group : An organyl group of formula -COOEt. | 2.1 | 1 | 0 | ethyl ester; formate ester | fumigant; plant metabolite |
| pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.99 | 4 | 0 | pyrrole; secondary amine | |
| tetrahydrofuran oxolane : A cyclic ether that is butane in which one hydrogen from each methyl group is substituted by an oxygen. | 2.02 | 1 | 0 | cyclic ether; oxolanes; saturated organic heteromonocyclic parent; volatile organic compound | polar aprotic solvent |
| furan furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 2.06 | 1 | 0 | furans; mancude organic heteromonocyclic parent; monocyclic heteroarene | carcinogenic agent; hepatotoxic agent; Maillard reaction product |
| 1,4-butanediol butane-1,4-diol : A butanediol that is butane in which one hydrogen of each of the methyl groups is substituted by a hydroxy group. A colourless, water-miscible, viscous liquid at room temperature (m.p. 16degreeC) with a high boiling point (230degreeC), it is mainly used for the production of other organic chemicals, particularly the solvent oxolane (also known as tetrahydrofuran or THF). | 2.03 | 1 | 0 | butanediol; glycol | neurotoxin; prodrug; protic solvent |
| cyclohexene cyclohexene : A cycloalkene that is cylohexane with a single double bond. | 2.04 | 1 | 0 | cycloalkene | |
| morpholine [no description available] | 2.08 | 1 | 0 | morpholines; saturated organic heteromonocyclic parent | NMR chemical shift reference compound |
| propylene propylene: structure | 2.48 | 2 | 0 | alkene; gas molecular entity | refrigerant; xenobiotic |
| pentaerythritol pentaerythritol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #6904. pentaerythritol : A tetrol that is neopentane in which one of the methyl hydrogens of all four methyl groups are replaced by hydroxy groups. It is a chemical intermediate used in the production of explosives, plastics, paints, appliances, and cosmetics. | 2.06 | 1 | 0 | primary alcohol; tetrol | flame retardant; laxative |
| acetol hydroxyacetone : A propanone that is acetone in which one of the methyl hydrogens is replaced by a hydroxy group. | 2.06 | 1 | 0 | methyl ketone; primary alcohol; primary alpha-hydroxy ketone; propanones | Escherichia coli metabolite; human metabolite; mouse metabolite |
| hexachlorobenzene Hexachlorobenzene: An agricultural fungicide and seed treatment agent.. hexachlorobenzene : A member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. | 2.21 | 1 | 0 | aromatic fungicide; chlorobenzenes | antifungal agrochemical; carcinogenic agent; persistent organic pollutant |
| trinitrotoluene Trinitrotoluene: A 2,4,6-trinitrotoluene, which is an explosive chemical that can cause skin irritation and other toxic consequences.. 2,4,6-trinitrotoluene : A trinitrotoluene having the nitro groups at positions 2, 4 and 6. | 2.02 | 1 | 0 | trinitrotoluene | explosive |
| 4-chloro-3,5-dinitrobenzoate 4-chloro-3,5-dinitrobenzoate: binds to cytochrome c; used chlorobenzoates because the chlorine is the reactive group; structure | 2.02 | 1 | 0 | ||
| dichlorprop dichlorprop: RN given refers to parent cpd without isomeric designation; structure. 2-(2,4-dichlorophenoxy)propanoic acid : An aromatic ether that is 2-hydroxypropanoic acid in which the hydroxy group at position 2 has been converted to its 2,4-dichlorophenyl ether.. dichlorprop : A racemate comprising equimolar amounts of (R)- and (S)-dichlorprop. It is widely used as a herbicide for killing annual and broad leaf weeds. Only the R-enantiomer has herbicidal activity; the S-enantiomer is inactive. | 2.04 | 1 | 0 | aromatic ether; dichlorobenzene; monocarboxylic acid | |
| dimethyl phthalate dimethyl phthalate: used as plasticizer in computer mouse; structure | 2.03 | 1 | 0 | diester; methyl ester; phthalate ester | |
| 2-naphthol 2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 2.44 | 2 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
| monuron monuron: minor descriptor (72-83); on-line & Index Medicus search UREA/AA (72-74) & HERBICIDES (72-74) & HERBICIDES UREA (75-83); RN given refers to unlabeled cpd; structure. monuron : A member of the class of 3-(3,4-substituted-phenyl)-1,1-dimethylureas that is urea in which one of the nitrogens is substituted by a p-chlorophenyl group while the other is substituted by two methyl groups. | 2.02 | 1 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea; monochlorobenzenes | environmental contaminant; herbicide; xenobiotic |
| n-heptane Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.46 | 2 | 0 | alkane; volatile organic compound | non-polar solvent; plant metabolite |
| sodium cyanide Sodium Cyanide: A highly poisonous compound that is an inhibitor of many metabolic processes and is used as a test reagent for the function of chemoreceptors. It is also used in many industrial processes.. sodium cyanide : A cyanide salt containing equal numbers of sodium cations and cyanide anions. | 2.08 | 1 | 0 | cyanide salt; one-carbon compound; sodium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor |
| ditiocarb Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.05 | 1 | 0 | dithiocarbamic acids | chelator; copper chelator |
| potassium cyanide [no description available] | 1.92 | 1 | 0 | cyanide salt; one-carbon compound; potassium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; neurotoxin |
| triphenylene triphenylene: structure. triphenylene : An ortho-fused polycyclic arene consisting of four fused benzene rings. | 2.08 | 1 | 0 | ortho-fused polycyclic arene | |
| acridines Acridines: Compounds that include the structure of acridine.. acridine : A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom. | 2.4 | 2 | 0 | acridines; mancude organic heterotricyclic parent; polycyclic heteroarene | genotoxin |
| benzofuran benzofuran: RN & structure given in first source. 1-benzofuran : A benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. | 2.48 | 2 | 0 | 1-benzofurans; benzofuran | |
| oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 2.02 | 1 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
| thiazoles [no description available] | 2.71 | 3 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
| pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 2.25 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
| pyrazines Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 2.08 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
| methylphenazonium methosulfate Methylphenazonium Methosulfate: Used as an electron carrier in place of the flavine enzyme of Warburg in the hexosemonophosphate system and also in the preparation of SUCCINIC DEHYDROGENASE. | 1.99 | 1 | 0 | azaheterocycle sulfate salt; phenazines | |
| hydrazine diamine : Any polyamine that contains two amino groups. | 2.53 | 2 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
| perfluorooctanoic acid perfluorooctanoic acid: RN given refers to parent cpd. perfluorooctanoic acid : A fluoroalkanoic acid that is perfluorinated octanoic acid. | 2.6 | 1 | 0 | fluoroalkanoic acid | carcinogenic agent; endocrine disruptor; environmental contaminant; surfactant; xenobiotic |
| tetrapropylammonium tetrapropylammonium: more than 12 salts of above cpd in Chemline. tetrapropylammonium : A quarternary ammonium cation with four propyl substituents around the central nitrogen. | 2.17 | 1 | 0 | quaternary ammonium ion | |
| silicon carbide silicon carbide: fibers used for reinforcement of porcelain crowns; a feldspathic body (gingival) porcelain; used to coat titanium hip prostheses | 2.76 | 3 | 0 | organosilicon compound | |
| ketene ketene: structure. ketene : Carbonyl compounds where the C=O bond is conjugated to an alkylidene group. | 2.04 | 1 | 0 | ketene | |
| carbonyl sulfide carbonyl sulfide: structure. carbonyl sulfide : A one-carbon compound in which the carbon atom is attached to an oxygen and a sulfur atom via double bonds. | 2.07 | 1 | 0 | one-carbon compound; organosulfur compound | |
| limestone Calcium Carbonate: Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.. calcium carbonate : A calcium salt with formula CCaO3. | 2.55 | 2 | 0 | calcium salt; carbonate salt; inorganic calcium salt; one-carbon compound | antacid; fertilizer; food colouring; food firming agent |
| chrysophanic acid chrysophanic acid: RN given refers to parent cpd; structure in Merck, 9th ed, #2260. chrysophanol : A trihydroxyanthraquinone that is chrysazin with a methyl substituent at C-3. It has been isolated from Aloe vera and exhibits antiviral and anti-inflammatory activity. | 2.21 | 1 | 0 | dihydroxyanthraquinone | anti-inflammatory agent; antiviral agent; plant metabolite |
| carvacrol carvacrol : A phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). | 2.03 | 1 | 0 | botanical anti-fungal agent; p-menthane monoterpenoid; phenols | agrochemical; antimicrobial agent; flavouring agent; TRPA1 channel agonist; volatile oil component |
| caprolactone hexano-6-lactone : A epsilon-lactone that is oxepane substituted by an oxo group at position 2. | 2.07 | 1 | 0 | epsilon-lactone | |
| phorone phorone: an industrial solvent; structure | 2 | 1 | 0 | dialkenyl ketone | |
| 1,3-propanediol propane-1,3-diol : The simplest member of the class of propane-1,3-diols, consisting of propane in which one hydrogen from each methyl group is substituted by a hydroxy group. A colourless, viscous, water-miscible liquid with a high (210degreeC) boiling point, it is used in the synthesis of certain polymers and as a solvent and antifreeze. | 2.03 | 1 | 0 | propane-1,3-diols | metabolite; protic solvent |
| hesperidin Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.31 | 1 | 0 | 3'-hydroxyflavanones; 4'-methoxyflavanones; dihydroxyflavanone; disaccharide derivative; flavanone glycoside; monomethoxyflavanone; rutinoside | mutagen |
| 1,2-naphthoquinone-4-sulfonate 1,2-naphthoquinone-4-sulfonic acid: a nonpermeable electron acceptor. 1,2-naphthoquinone-4-sulfonic acid : An arenesulfonic acid that is 1,2-naphthoquinone substituted at position 4 with a sulfonic acid group. Used principally as a reagent in colorimetric determinations. | 2.04 | 1 | 0 | arenesulfonic acid; naphthalenone | colorimetric reagent |
| luminol Luminol: 5-Amino-2,3-dihydro-1,4-phthalazinedione. Substance that emits light on oxidation. It is used in chemical determinations. | 1.97 | 1 | 0 | ||
| cellobiose beta-cellobiose : A cellobiose with beta configuration at the reducing-end glucose residue. | 2.07 | 1 | 0 | cellobiose | epitope |
| methamphetamine Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. | 3.41 | 1 | 0 | amphetamines; secondary amine | central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic |
| 1,2-dichloroethylene 1,2-dichloroethylene: RN given refers to cpd without isomeric designation | 2.11 | 1 | 0 | chloroethenes | |
| malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.74 | 3 | 0 | dialdehyde | biomarker |
| magnesium carbonate magnesium carbonate: RN given refers to parent cpd (1:1). magnesium carbonate : A magnesium salt with formula CMgO3. Its hydrated forms, particularly the di-, tri-, and tetrahydrates occur as minerals. | 2.21 | 1 | 0 | carbonate salt; magnesium salt; one-carbon compound; organic magnesium salt | antacid; fertilizer |
| gentian violet Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.. crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. | 2.46 | 2 | 0 | organic chloride salt | anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; histological dye |
| hematoporphyrin Hematoporphyrins: Iron-free derivatives of heme with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. Some of these PHOTOSENSITIZING AGENTS are used in the PHOTOTHERAPY of malignant NEOPLASMS.. hematoporphyrin : A dicarboxylic acid that is protoporphyrin in which the vinyl groups at positions 7 and 12 are replaced by 1-hydroxyethyl groups. | 2.31 | 1 | 0 | ||
| 4,4'-bipyridyl 4,4'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-4 and C-4'. | 2.05 | 1 | 0 | bipyridine | |
| 4-chloromercuribenzenesulfonate 4-Chloromercuribenzenesulfonate: A cytotoxic sulfhydryl reagent that inhibits several subcellular metabolic systems and is used as a tool in cellular physiology. | 1.99 | 1 | 0 | arenesulfonic acid; arylmercury compound | |
| glycidol glycidol: structure given in first source | 2.17 | 1 | 0 | epoxide; primary alcohol | |
| siderite ferrous carbonate : A carbonate salt in which the counter-ion is iron in the +2 oxidation state. | 2.21 | 1 | 0 | carbonate mineral; carbonate salt; iron molecular entity; one-carbon compound | |
| malachite green malachite green: RN given refers to parent cpd; structure. malachite green : An organic chloride salt that is the monochloride salt of malachite green cation. Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture. | 2.97 | 4 | 0 | organic chloride salt | antibacterial agent; antifungal drug; carcinogenic agent; environmental contaminant; fluorochrome; histological dye; teratogenic agent |
| congo red Congo Red: An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.. Congo Red : An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. | 2.6 | 1 | 0 | bis(azo) compound | |
| docusate Dioctyl Sulfosuccinic Acid: All-purpose surfactant, wetting agent, and solubilizer used in the drug, cosmetics, and food industries. It has also been used in laxatives and as cerumenolytics. It is usually administered as either the calcium, potassium, or sodium salt. | 2.07 | 1 | 0 | diester; organosulfonic acid | |
| 3-hydroxyflavone 3-hydroxyflavone: structure given in first source. flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | 2.53 | 2 | 0 | flavonols; monohydroxyflavone | |
| toluene 2,4-diisocyanate Toluene 2,4-Diisocyanate: Skin irritant and allergen used in the manufacture of polyurethane foams and other elastomers.. toluene 2,4-diisocyanate : A toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 4 relative to the methyl group on the benzene ring. | 2.07 | 1 | 0 | toluene meta-diisocyanate | allergen; hapten |
| diphenylamine Diphenylamine: In humans it may be irritating to mucous membranes. Methemoglobinemia has been produced experimentally. In veterinary use, it is one of active ingredients in topical agents for prevention and treatment of screwworm infestation. An indicator in tests for nitrate poisoning.. diphenylamine : An aromatic amine containing two phenyl substituents. It has been used as a fungicide for the treatment of superficial scald in apples and pears, but is no longer approved for this purpose within the European Union. | 2.41 | 1 | 0 | aromatic amine; bridged diphenyl fungicide; secondary amino compound | antifungal agrochemical; antioxidant; carotogenesis inhibitor; EC 1.3.99.29 [phytoene desaturase (zeta-carotene-forming)] inhibitor; ferroptosis inhibitor; radical scavenger |
| levulinic acid levulinic acid: inhibits 5-aminolevulinic acid dehydratase; RN given refers to parent cpd; structure in Merck Index, 9th ed, #5316. 4-oxopentanoic acid : An oxopentanoic acid with the oxo group in the 4-position. | 2.04 | 1 | 0 | oxopentanoic acid; straight-chain saturated fatty acid | plant metabolite |
| manganese carbonate [no description available] | 2.6 | 1 | 0 | ||
| methyl carbonate methyl carbonate: RN given refers to unlabeled parent cpd; structure. dimethyl carbonate : A carbonate ester that is carbonic acid in which both hydrogens are replaced by methyl groups. A flammable, colourless liquid (m.p. 2-4degreeC, b.p. 90degreeC) with a characterstic ester-like odour, it is used as a 'green' methylating agent and as a solvent. | 2.05 | 1 | 0 | carbonate ester | reagent; solvent |
| acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.66 | 3 | 0 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
| 2-nonanol 2-nonanol: from purple and yellow passion fruits. nonan-2-ol : A secondary alcohol that is nonane substituted by a hydroxy group at position 2. | 2.05 | 1 | 0 | nonanol; secondary alcohol | bacterial metabolite; flavouring agent; pheromone; plant metabolite; rat metabolite; volatile oil component |
| dibromoacetic acid dibromoacetic acid : A monocarboxylic acid that is acetic acid in which two of the methyl hydrogens are replaced by bromo groups. | 2.03 | 1 | 0 | 2-bromocarboxylic acid; monocarboxylic acid | apoptosis inducer; geroprotector; marine metabolite |
| 1,1,3,3-tetramethylurea 1,1,3,3-tetramethylurea: structure. 1,1,3,3-tetramethylurea : A member of the class of ureas that is urea substituted by methyl groups at positions 1, 1, 3 and 3 respectively. Metabolite observed in cancer metabolism. | 2.05 | 1 | 0 | ureas | human metabolite |
| c.i. 42510 Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. | 3.15 | 5 | 0 | ||
| 2-piperidone 2-piperidone: structure given in first source. piperidin-2-one : A delta-lactam that is piperidine which is substituted by an oxo group at position 2. | 2.52 | 2 | 0 | delta-lactam; piperidones | EC 1.2.1.88 (L-glutamate gamma-semialdehyde dehydrogenase) inhibitor |
| 1,6-hexamethylene diisocyanate hexamethylene diisocyanate : A diisocyanate compound with the two isocyanates linked by a hexane-1,6-diyl group. | 2.06 | 1 | 0 | diisocyanate | allergen; hapten |
| hydroxyethyl methacrylate hydroxyethyl methacrylate: many of cited refs are for gel which refers to polymeric form of above cpd: POLYHYDROXYETHYL METHACRYLATE. 2-hydroxyethyl methacrylate : An enoate ester that is the monomethacryloyl derivative of ethylene glycol. | 2.01 | 1 | 0 | enoate ester | allergen; polymerisation monomer |
| hexafluoroisopropanol 1,1,1,3,3,3-hexafluoropropan-2-ol : An organofluorine compound formed by substitution of all the methyl protons in propan-2-ol by fluorine. It is a metabolite of inhalation anesthetic sevoflurane. | 2.49 | 2 | 0 | organofluorine compound; secondary alcohol | drug metabolite |
| dihydroferulic acid dihydroferulic acid: structure in first source. dihydroferulic acid : A monocarboxylic acid that is propanoic acid in which one of the hydrogens at position 3 has been replaced by a 4-hydroxy-3-methoxyphenyl group. | 2.06 | 1 | 0 | guaiacols; monocarboxylic acid; phenylpropanoid | antioxidant; human xenobiotic metabolite; mouse metabolite; plant metabolite |
| carmine Carmine: Coloring matter from the insect Coccus cacti L. It is used in foods, pharmaceuticals, toiletries, etc., as a dye, and also has use as a microscopic stain and biological marker. | 2.21 | 1 | 0 | ||
| durapatite Durapatite: The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.. hydroxylapatite : A phosphate mineral with the formula Ca5(PO4)3(OH). | 3.93 | 12 | 0 | ||
| cadmium sulfide [no description available] | 2.44 | 2 | 0 | cadmium molecular entity | |
| potassium hydroxide potassium hydroxide: RN given refers to cpd with MF of K-OH | 3.11 | 5 | 0 | alkali metal hydroxide | |
| sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 3.82 | 11 | 0 | alkali metal hydroxide | |
| manganese dioxide [no description available] | 2.01 | 1 | 0 | manganese molecular entity; metal oxide | |
| zinc oxide Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. | 2.44 | 2 | 0 | zinc molecular entity | |
| cupric sulfide copper(II) sulfide : A copper sulfide in which the metal is in the +2 oxidation state. | 2.72 | 2 | 0 | ||
| beta-pinene beta-pinene: alpha-pinene is also available. beta-pinene : An isomer of pinene with an exocyclic double bond. It is a component of essential oils from many plants. | 2.04 | 1 | 0 | pinene | plant metabolite |
| hydrofluoric acid Hydrofluoric Acid: Hydrofluoric acid. A solution of hydrogen fluoride in water. It is a colorless fuming liquid which can cause painful burns.. hydrogen fluoride : A diatomic molecule containing covalently bonded hydrogen and fluorine atoms.. organofluorine compound : An organofluorine compound is a compound containing at least one carbon-fluorine bond. | 2.75 | 3 | 0 | hydrogen halide; mononuclear parent hydride | NMR chemical shift reference compound |
| ammonium hydroxide Ammonium Hydroxide: The hydroxy salt of ammonium ion. It is formed when AMMONIA reacts with water molecules in solution.. ammonium hydroxide : A solution of ammonia in water. | 2.41 | 1 | 0 | inorganic hydroxy compound | food acidity regulator |
| d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 4.64 | 6 | 1 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
| bisphenol a-glycidyl methacrylate Bisphenol A-Glycidyl Methacrylate: The reaction product of bisphenol A and glycidyl methacrylate that undergoes polymerization when exposed to ultraviolet light or mixed with a catalyst. It is used as a bond implant material and as the resin component of dental sealants and composite restorative materials. | 2.1 | 1 | 0 | diarylmethane | |
| 3-quinuclidinol quinuclidin-3-Ol: structure in first source | 2.1 | 1 | 0 | quinuclidines; secondary alcohol; tertiary amine | |
| fenchol fenchol: RN given refers to cpd with unspecified isomeric designation | 2.1 | 1 | 0 | ||
| decane decane : A straight-chain alkane with 10 carbon atoms. | 1.98 | 1 | 0 | alkane | |
| 2-allylphenol 2-allylphenol: structure given in first source. 2-allylphenol : A member of the class of phenols that is phenol carrying an allyl group at position 2. | 2.02 | 1 | 0 | phenols | antifungal agrochemical |
| phenyltrimethylammonium phenyltrimethylammonium: d9-cpd suppresses methylation artifacts in gas chromatography of serum extracts; RN given refers to parent cpd. trimethylphenylammonium : A quaternary ammonium ion obtained by methylation of N,N-dimethylaniline. | 1.92 | 1 | 0 | quaternary ammonium ion | |
| paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 3.07 | 1 | 0 | organic cation | geroprotector; herbicide |
| amiloride Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705). amiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid. | 1.97 | 1 | 0 | aromatic amine; guanidines; organochlorine compound; pyrazines | diuretic; sodium channel blocker |
| fluorescein Fluorescein: A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.. fluorescein (lactone form) : A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy. | 2.77 | 3 | 0 | 2-benzofurans; gamma-lactone; organic heteropentacyclic compound; oxaspiro compound; polyphenol; xanthene dye | fluorescent dye; radioopaque medium |
| nile blue Nile Blue: RN given refers to chloride; structure. nile blue A : An organic chloride salt having 5-amino-9-(diethylamino)benzo[a]phenoxazin-7-ium as the couterion. fluorescent dye which is also a potent photosensitiser for photodynamic therapy. | 2.05 | 1 | 0 | ||
| 1,4-bis(2,3-epoxypropoxy)butane [no description available] | 2.15 | 1 | 0 | ||
| alpha-terpineol terpineol : A family of monoterpenols that have a p-menthane skeleton containing one double bond and bearing a single hydroxy substituent. | 2.02 | 1 | 0 | terpineol | plant metabolite |
| sulfuryl fluoride sulfuryl fluoride: fumigant | 2.04 | 1 | 0 | sulfuryl halide | fumigant insecticide |
| copper(ii) nitrate copper(II) nitrate : An inorganic nitrate salt having copper(2+) as the couterion. | 2.6 | 1 | 0 | inorganic nitrate salt | |
| fluorescein-5-isothiocyanate Fluorescein-5-isothiocyanate: Fluorescent probe capable of being conjugated to tissue and proteins. It is used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.. fluorescein 5-isothiocyanate : The 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques. | 2.54 | 2 | 0 | fluorescein isothiocyanate | |
| mannose mannopyranose : The pyranose form of mannose. | 2.97 | 4 | 0 | D-aldohexose; D-mannose; mannopyranose | metabolite |
| dithiothreitol 1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 2.69 | 3 | 0 | 1,4-dimercaptobutane-2,3-diol; butanediols; dithiol; glycol; thiol | chelator; human metabolite; reducing agent |
| carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 5.34 | 17 | 0 | carbon oxoanion | |
| (3-mercaptopropyl)trimethoxysilane [no description available] | 2.04 | 1 | 0 | ||
| limonene Limonene: A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).. limonene : A monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively. | 2.04 | 1 | 0 | cycloalkene; p-menthadiene | human metabolite |
| tert-nitrosobutane [no description available] | 1.96 | 1 | 0 | ||
| hepes [no description available] | 1.98 | 1 | 0 | HEPES; organosulfonic acid | |
| dysprosium Dysprosium: An element of the rare earth family that has the atomic symbol Dy, atomic number 66, and atomic weight 162.50. Dysprosium is a silvery metal used primarily in the form of various salts. | 2.02 | 1 | 0 | f-block element atom; lanthanoid atom | |
| iridium Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 4.41 | 6 | 0 | cobalt group element atom; platinum group metal atom | |
| manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 4.06 | 14 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
| mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 8 | 4 | 0 | elemental mercury; zinc group element atom | neurotoxin |
| molybdenum Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 4.07 | 4 | 0 | chromium group element atom | micronutrient |
| neodymium Neodymium: An element of the rare earth family of metals. It has the atomic symbol Nd, atomic number 60, and atomic weight 144.24, and is used in industrial applications. | 2.03 | 1 | 0 | f-block element atom; lanthanoid atom | |
| neon Neon: A noble gas with the atomic symbol Ne, atomic number 10, and atomic weight 20.18. It is found in the earth's crust and atmosphere as an inert, odorless gas and is used in vacuum tubes and incandescent lamps. | 2.06 | 1 | 0 | monoatomic neon; noble gas atom; p-block element atom | |
| palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 3.17 | 5 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
| platinum Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 3.75 | 10 | 0 | elemental platinum; nickel group element atom; platinum group metal atom | |
| rhenium Rhenium: A metal, atomic number 75, atomic weight 186.207, symbol Re. | 3.19 | 1 | 0 | manganese group element atom | |
| rhodium Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45. | 4.13 | 4 | 0 | cobalt group element atom | |
| ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.97 | 4 | 0 | iron group element atom; platinum group metal atom | |
| silver Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 3.26 | 6 | 0 | copper group element atom; elemental silver | Escherichia coli metabolite |
| tantalum Tantalum: A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices. | 3.85 | 2 | 1 | vanadium group element atom | |
| terbium Terbium: An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 65, and atomic weight 158.92. | 2.13 | 1 | 0 | f-block element atom; lanthanoid atom | |
| titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 9.66 | 26 | 0 | titanium group element atom | |
| tungsten Tungsten: A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus. | 2.41 | 1 | 0 | chromium group element atom | micronutrient |
| argon Argon: A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. | 2.45 | 2 | 0 | monoatomic argon; noble gas atom; p-block element atom | food packaging gas; neuroprotective agent |
| cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 3.52 | 7 | 0 | cadmium molecular entity; zinc group element atom | |
| chromium Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 4.18 | 15 | 0 | chromium group element atom; metal allergen | micronutrient |
| erbium Erbium: Erbium. An element of the rare earth family of metals. It has the atomic symbol Er, atomic number 68, and atomic weight 167.26. | 2.01 | 1 | 0 | f-block element atom; lanthanoid atom | |
| europium Europium: An element of the rare earth family of metals. It has the atomic symbol Eu, atomic number 63, and atomic weight 152. Europium is used in the form of its salts as coatings for cathode ray tubes and in the form of its organic derivatives as shift reagents in NMR spectroscopy. | 3.49 | 7 | 0 | f-block element atom; lanthanoid atom | |
| gadolinium Gadolinium: An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors. | 2.97 | 4 | 0 | f-block element atom; lanthanoid atom | |
| gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 4.16 | 15 | 0 | copper group element atom; elemental gold | |
| helium Helium: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. | 2.96 | 4 | 0 | monoatomic helium; noble gas atom; s-block element atom | food packaging gas |
| uranium Uranium: A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors. | 2.46 | 2 | 0 | actinoid atom; f-block element atom; monoatomic uranium | |
| vanadium Vanadium: A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs. | 2.49 | 2 | 0 | elemental vanadium; vanadium group element atom | micronutrient |
| xenon Xenon: A noble gas with the atomic symbol Xe, atomic number 54, and atomic weight 131.30. It is found in the earth's atmosphere and has been used as an anesthetic. | 2.06 | 1 | 0 | monoatomic xenon; noble gas atom; p-block element atom | |
| yttrium Yttrium: An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers. | 2.95 | 4 | 0 | d-block element atom; rare earth metal atom; scandium group element atom | |
| zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 4.73 | 6 | 1 | titanium group element atom | |
| aluminum chloride Aluminum Chloride: A compound with the chemical formula AlCl3; the anhydrous salt is used as a catalyst in organic chemical synthesis, and hydrated salts are used topically as antiperspirants, and for the management of HYPERHYDROSIS. | 2.74 | 3 | 0 | aluminium coordination entity | Lewis acid |
| mercuric chloride Mercuric Chloride: Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.. mercury dichloride : A mercury coordination entity made up of linear triatomic molecules in which a mercury atom is bonded to two chlorines. Water-soluble, it is highly toxic. Once used in a wide variety of applications, including preserving wood and anatomical specimens, embalming and disinfecting, as an intensifier in photography, as a mordant for rabbit and beaver furs, and freeing gold from lead, its use has markedly declined as less toxic alternatives have been developed. | 1.99 | 1 | 0 | mercury coordination entity | sensitiser |
| hypochlorous acid Hypochlorous Acid: An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.. hypochlorous acid : A chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. | 3.39 | 7 | 0 | chlorine oxoacid; reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; human metabolite |
| ferric chloride ferric chloride: RN given refers to cpd with MF of Fe-Cl3; used to induce experimental arterial thrombosis to evaluate antithrombotic agents | 2.53 | 2 | 0 | iron coordination entity | astringent; Lewis acid |
| ferrous sulfate ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 2.13 | 1 | 0 | iron molecular entity; metal sulfate | reducing agent |
| bromine Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 2.71 | 3 | 0 | diatomic bromine | |
| barium sulfate Barium Sulfate: A compound used as an x-ray contrast medium that occurs in nature as the mineral barite. It is also used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield.. barium sulfate : A metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite. | 2.42 | 2 | 0 | barium salt; inorganic barium salt; metal sulfate | radioopaque medium |
| calcium phosphate, dibasic, anhydrous calcium phosphate, dibasic, anhydrous: molecular formula CaHPO(4), DCPA=dicalcium phosphate anhydrous; don't confuse with dichloropropionanilide which also is called DCPA; MW=136.06; has greater surface area and lower pH than DCPD (dicalcium phosphate dihydrate); occurs in nature as monetite; an intermediate in preparing hydroxyapatite | 2.69 | 3 | 0 | calcium phosphate | |
| calcium phosphate, monobasic, anhydrous calcium phosphate, monobasic: MW 234.05 | 2.69 | 3 | 0 | calcium phosphate | fertilizer |
| tricalcium phosphate tricalcium phosphate: a form of tricalcium phosphate used as bioceramic bone replacement material; see also records for alpha-tricalcium phosphate, beta-tricalcium phosphate, calcium phosphate; apatitic tricalcium phosphate Ca9(HPO4)(PO4)5(OH) is the calcium orthophosphate leading to beta tricalcium phosphate Ca3(PO4)2 (b-TCP). calcium phosphate : A calcium salt composed of calcium and phosphate/diphosphate ions; present in milk and used for the mineralisation of calcified tissues. | 7.03 | 13 | 2 | calcium phosphate | |
| chromates Chromates: Salts of chromic acid containing the CrO(2-)4 radical.. chromate(2-) : A chromium oxoanion resulting from the removal of two protons from chromic acid. | 2.91 | 4 | 0 | chromium oxoanion; divalent inorganic anion | oxidising agent |
| tungstate [no description available] | 2.52 | 2 | 0 | divalent inorganic anion; tungsten oxoanion | |
| potassium dichromate Potassium Dichromate: Chromic acid (H2Cr2O7), dipotassium salt. A compound having bright orange-red crystals and used in dyeing, staining, tanning leather, as bleach, oxidizer, depolarizer for dry cells, etc. Medically it has been used externally as an astringent, antiseptic, and caustic. When taken internally, it is a corrosive poison.. potassium dichromate : A potassium salt that is the dipotassium salt of dichromic acid. | 2 | 1 | 0 | potassium salt | allergen; oxidising agent; sensitiser |
| zinc phosphate zinc phosphate: RN given refers to unspecified Zn salt; see also record for ZINC PHOSPHATE CEMENT RN 7779-90-0; hopeite was non-print entry term to ZINC PHOSPHATE CEMENT 1982-91 | 2.36 | 2 | 0 | ||
| deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 3.65 | 9 | 0 | dihydrogen | |
| fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 4.67 | 8 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
| chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 4.14 | 15 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
| silver chloride [no description available] | 2.1 | 1 | 0 | inorganic chloride; silver salt | |
| silver iodide silver iodide: RN given refers to silver iodide [1:1] | 2.1 | 1 | 0 | ||
| beryllium fluoride beryllium difluoride : The fluoride salt of beryllium (+2 oxidation state). In the solid state it exists as a glass, with four-coordinate Be(2+) tetrahedral centres and two-coordinate fluoride centres. As a gas it adopts a linear triatomic structure and in the liquid state a fluctuating tetrahedral structure. In protein crystallography it is used as a mimic of phosphate. | 1.98 | 1 | 0 | beryllium molecular entity; fluoride salt | |
| deuterium oxide Deuterium Oxide: The isotopic compound of hydrogen of mass 2 (deuterium) with oxygen. (From Grant & Hackh's Chemical Dictionary, 5th ed) It is used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. | 3.71 | 10 | 0 | deuterated compound; water | NMR solvent |
| fluorosulfonic acid perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer | 2.07 | 1 | 0 | sulfur oxoacid | NMR solvent |
| molybdate ion molybdate : A divalent inorganic anion obtained by removal of both protons from molybdic acid | 2.07 | 1 | 0 | divalent inorganic anion; molybdenum oxoanion | Escherichia coli metabolite |
| galactose aldohexose : A hexose with a (potential) aldehyde group at one end. | 3.6 | 2 | 0 | ||
| sodium hydride [no description available] | 2.05 | 1 | 0 | ||
| ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 9.18 | 16 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
| ferric sulfate ferric sulfate: RN given refers to Fe(+3)[3:2] salt). iron(3+) sulfate : A compound of iron and sulfate in which the ratio of iron(3+) to sulfate ions is 3:2. | 2.05 | 1 | 0 | iron molecular entity; metal sulfate | astringent; catalyst; mordant |
| aluminum sulfate aluminium sulfate (anhydrous) : An aluminium sulfate that contains no water of crystallisation. | 3.12 | 5 | 0 | aluminium sulfate | |
| radon Radon: A naturally radioactive element with atomic symbol Rn, and atomic number 86. It is a member of the noble gas family found in soil, and is released during the decay of RADIUM.. radon(0) : A monoatomic radon that has an oxidation state of zero. | 2.1 | 1 | 0 | monoatomic radon; noble gas atom; p-block element atom | |
| sodium selenite disodium selenite : An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio. | 2.47 | 2 | 0 | inorganic sodium salt; selenite salt | nutraceutical |
| n-methylisatoic anhydride N-methylisatoic anhydride: structure given in first source; used to prepare N-methylanthranilyl (Mantyl) peptide derivatives. N-methylisatoic anhydride : A 3,1-benzoxazin-1,4-dione having an N-methyl substituent. | 2.1 | 1 | 0 | benzoxazine | |
| clodronic acid Clodronic Acid: A diphosphonate which affects calcium metabolism. It inhibits bone resorption and soft tissue calcification.. clodronic acid : An organochlorine compound that is methylene chloride in which both hydrogens are replaced by phosphonic acid groups. It inhibits bone resorption and soft tissue calcification, and is used (often as the disodium salt tetrahydrate) as an adjunct in the treatment of severe hypercalcaemia associated with malignancy, and in the management of osteolytic lesions and bone pain associated with skeletal metastases. | 2.08 | 1 | 0 | 1,1-bis(phosphonic acid); one-carbon compound; organochlorine compound | antineoplastic agent; bone density conservation agent |
| ammonium chloride Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion. | 2.67 | 3 | 0 | ammonium salt; inorganic chloride | ferroptosis inhibitor |
| tricalcium silicate tricalcium silicate: might be used as injectable bioactive cement | 2.52 | 2 | 0 | ||
| titanium dioxide titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 3.99 | 13 | 0 | titanium oxides | food colouring |
| 3-carene 3-carene: RN given refers to cpd without isomeric designation | 2.04 | 1 | 0 | monoterpene | |
| salen disalicylaldehyde ethylenediamine: reagents for determination of iron | 2.11 | 1 | 0 | ||
| tiletamine hydrochloride Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 2.21 | 1 | 0 | ||
| tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 2.39 | 2 | 0 | acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester | antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator |
| hexafluorosilicate hexafluorosilicate: structure | 2.05 | 1 | 0 | silicon coordination entity | |
| fluorides [no description available] | 5.58 | 22 | 0 | halide anion; monoatomic fluorine | |
| chromium chromium hexavalent ion: a human respiratory carcinogen | 3.52 | 7 | 0 | chromium cation; monoatomic hexacation | |
| molybdenum dioxide [no description available] | 3.19 | 1 | 0 | ||
| brilliant orange 3r brilliant orange 3R: RN given refers to di-Na salt; RN for parent cpd not avail 11/92; structure given in first source | 2.6 | 1 | 0 | ||
| iodine [no description available] | 2.94 | 4 | 0 | halide anion; monoatomic iodine | human metabolite |
| 3,5-diisopropylsalicylic acid 3,5-diisopropylsalicylic acid: structure given in first source; RN given refers to parent cpd | 2.03 | 1 | 0 | ||
| phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.42 | 2 | 0 | benzenes; phenyl acetates | |
| tetrachloroethylene Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 2.47 | 2 | 0 | chlorocarbon; chloroethenes | nephrotoxic agent |
| 3-butenoic acid but-3-enoic acid : That isomer of butenoic acid having the double bond at position C-3. | 2.04 | 1 | 0 | butenoic acid | |
| alkenes [no description available] | 5.17 | 14 | 0 | ||
| glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.73 | 3 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
| glucaric acid Glucaric Acid: A sugar acid derived from D-glucose in which both the aldehydic carbon atom and the carbon atom bearing the primary hydroxyl group are oxidized to carboxylic acid groups.. D-glucaric acid : The D-enantiomer of glucaric acid.. glucaric acid : A hexaric acid derived by oxidation of sugar such as glucose with nitric acid. | 2.25 | 1 | 0 | glucaric acid | antineoplastic agent |
| sodium azide Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 2.68 | 3 | 0 | inorganic sodium salt | antibacterial agent; explosive; mitochondrial respiratory-chain inhibitor; mutagen |
| azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 3.38 | 7 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
| adenosine diphosphate ribose Adenosine Diphosphate Ribose: An ester formed between the aldehydic carbon of RIBOSE and the terminal phosphate of ADENOSINE DIPHOSPHATE. It is produced by the hydrolysis of nicotinamide-adenine dinucleotide (NAD) by a variety of enzymes, some of which transfer an ADP-ribosyl group to target proteins. | 1.96 | 1 | 0 | ADP-sugar | Escherichia coli metabolite; mouse metabolite |
| amoxicillin Amoxicillin: A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.. amoxicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-(4-hydroxyphenyl)acetamido group. | 2.83 | 3 | 0 | penicillin allergen; penicillin | antibacterial drug |
| ensulizole ensulizole: sunscreening agent; structure in first source | 2.6 | 1 | 0 | benzimidazoles | |
| ferrozine Ferrozine: A ferroin compound that forms a stable magenta-colored solution with the ferrous ion. The complex has an absorption peak at 562 nm and is used as a reagent and indicator for iron. | 2.05 | 1 | 0 | ||
| acetylgalactosamine Acetylgalactosamine: The N-acetyl derivative of galactosamine. | 2.08 | 1 | 0 | N-acetyl-D-hexosamine; N-acetylgalactosamine | Escherichia coli metabolite; human metabolite; mouse metabolite |
| etoposide [no description available] | 2.48 | 2 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
| isoproturon isoproturon : A member of the class of phenylureas that is 1,1-dimethylurea substituted by a p-cumenyl group at position 3. A selective, systemic herbicide used to control annual grasses and broadleaf weeds in cereals, its use within the EU has been banned after September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 2.17 | 1 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea | agrochemical; environmental contaminant; herbicide; xenobiotic |
| 2,5,2',5'-tetrachlorobiphenyl 2,2',5,5'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which the hydrogens at the 2 and 5 position of each benzene ring are replaced by chlorines. | 2.05 | 1 | 0 | dichlorobenzene; tetrachlorobiphenyl | |
| vx VX nerve agent : A organic thiophosphate that is the ethyl ester of S-{2-[di(propan-2-yl)amino]ethyl} O hydrogen methylphosphonothioate. A toxic nerve agent used in chemical warfare. | 2.76 | 3 | 0 | organic thiophosphate; tertiary amino compound | EC 3.1.1.7 (acetylcholinesterase) inhibitor; neurotoxin |
| ng-nitroarginine methyl ester NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension. | 2 | 1 | 0 | alpha-amino acid ester; L-arginine derivative; methyl ester; N-nitro compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
| decamethrin decamethrin: pyrethroid insecticide; RN given refers to cpd without isomeric designation; structure | 2.41 | 1 | 0 | aromatic ether; cyclopropanecarboxylate ester; nitrile; organobromine compound | agrochemical; antifeedant; calcium channel agonist; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; pyrethroid ester insecticide |
| 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid [no description available] | 2.21 | 1 | 0 | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor |
| 7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide: 7,8,8a,9a-Tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. | 2 | 1 | 0 | epoxide | intercalator |
| indacrinone indacrinone: polyvalent saluretic; RN given refers to parent cpd without isomeric designation; structure | 2.05 | 1 | 0 | ||
| captopril Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. | 2.46 | 2 | 0 | alkanethiol; L-proline derivative; N-acylpyrrolidine; pyrrolidinemonocarboxylic acid | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
| 1-methylpiperazine 1-methylpiperazine: RN given refers to parent cpd | 2.08 | 1 | 0 | N-methylpiperazine | |
| adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.95 | 4 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
| n-butyllithium [no description available] | 2.05 | 1 | 0 | ||
| sudan black b Sudan black B : A member of the class of perimidines that is 2,2-dimethyl-2,3-dihydro-1H-perimidine carrying a [4-(phenyldiazenyl)naphthalen-1-yl]diazenyl substituent at position 6. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections and for staining of protein bound lipids in paraffin sections. | 2.1 | 1 | 0 | azobenzenes; bis(azo) compound; perimidines | histological dye |
| vanadates Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. | 2.07 | 1 | 0 | trivalent inorganic anion; vanadium oxoanion | EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
| florisil Florisil: hard, porous, granular substance used in vitamin analysis, chromatography, & antibiotic processing | 2.21 | 1 | 0 | ||
| vanillyl alcohol vanillyl alcohol: structure. vanillyl alcohol : A monomethoxybenzene that is 2-methoxyphenol substituted by a hydroxymethyl group at position 4. | 2.06 | 1 | 0 | benzyl alcohols; guaiacols | plant metabolite |
| barium oxide [no description available] | 2.05 | 1 | 0 | ||
| trifluoromethanesulfonic acid trifluoromethanesulfonic acid: deblocking reagent for peptide synthesis; RN given refers to parent cpd. triflic acid : A one-carbon compound that is methanesulfonic acid in which the hydrogens attached to the methyl carbon have been replaced by fluorines. | 2.07 | 1 | 0 | one-carbon compound; perfluoroalkanesulfonic acid | |
| caloreen caloreen: glucose polymer with average length of five glucose units for dietary energy supplement. dextrin : Glucans produced by the hydrolysis of starch or glycogen. They are mixtures of polymers of D-glucose units linked by alpha(1->4) or alpha(1->6) glycosidic bonds. | 2.25 | 1 | 0 | ||
| glucose, (beta-d)-isomer beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 3.12 | 5 | 0 | D-glucopyranose | epitope; mouse metabolite |
| baicalin [no description available] | 2.11 | 1 | 0 | dihydroxyflavone; glucosiduronic acid; glycosyloxyflavone; monosaccharide derivative | antiatherosclerotic agent; antibacterial agent; anticoronaviral agent; antineoplastic agent; antioxidant; cardioprotective agent; EC 2.7.7.48 (RNA-directed RNA polymerase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; ferroptosis inhibitor; neuroprotective agent; non-steroidal anti-inflammatory drug; plant metabolite; prodrug |
| thymine arabinoside thymine arabinoside: selectively inhibits replication of herpes simplex virus | 2.02 | 1 | 0 | N-glycosyl compound | |
| fluorexon fluorexon: structure | 2.6 | 1 | 0 | xanthene dye | fluorochrome |
| chlorin chlorin: RN given refers to parent cpd; structure. chlorin : A tetrapyrrole fundamental parent that is obtained by formal hydrogenation across the 2,3-double bond of porphyrin. | 2.02 | 1 | 0 | ||
| bathocuproine bathocuproine: reagent for copper; RN given refers to parent cpd | 2 | 1 | 0 | ||
| n,n-bis(trimethylsilyl)-2,2,2-trifluoroacetamide [no description available] | 2.42 | 2 | 0 | ||
| peroxyformic acid peroxyformic acid: structure | 2.06 | 1 | 0 | ||
| silver bromide [no description available] | 2.1 | 1 | 0 | ||
| porphine porphine: structure given in first source | 2.5 | 2 | 0 | ||
| 1,7-phenanthroline [no description available] | 2.94 | 4 | 0 | phenanthroline | |
| triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.46 | 2 | 0 | 1,2,3-triazole | |
| delphinidin Paraffin: A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.. delphinidin chloride : An anthocyanidin chloride that has delphinidin as the cationic counterpart. | 2.6 | 1 | 0 | anthocyanidin chloride | |
| nebularine nebularine: structure. nebularine : A purine ribonucleoside that is 9H-purine attached to a beta-D-ribofuranosyl residue at position 9 via a glycosidic (N-glycosyl) linkage. | 2.06 | 1 | 0 | purine ribonucleoside; purines D-ribonucleoside | fungal metabolite |
| 4-tolyl isocyanate 4-tolyl isocyanate : An isocyanate comprising a benzene core with isocyanato and methyl substituents para to each other. | 2.1 | 1 | 0 | isocyanates; toluenes | allergen; hapten |
| 3-chloroperbenzoic acid 3-chloroperbenzoic acid: oxidizing agent | 1.99 | 1 | 0 | monochlorobenzenes; peroxy acid | |
| glutarimide [no description available] | 2.07 | 1 | 0 | dicarboximide; piperidones | |
| chlorosulfonyl isocyanate chlorosulfonyl isocyanate: structure in first source | 2.04 | 1 | 0 | ||
| betulin betulin: isolated from various white birch bark (BETULA). betulin : A pentacyclic triterpenoid that is lupane having a double bond at position 20(29) as well as 3beta-hydroxy and 28-hydroxymethyl substituents. | 2.07 | 1 | 0 | diol; pentacyclic triterpenoid | analgesic; anti-inflammatory agent; antineoplastic agent; antiviral agent; metabolite |
| coumarin 153 coumarin 153: structure in first source | 2.11 | 1 | 0 | 7-aminocoumarins | fluorochrome |
| xylenol orange xylenol orange: carboxylate anion which exhibits characteristic visible spectrum when attached to a metal | 2.05 | 1 | 0 | ||
| (2.2)paracyclophane (2.2)paracyclophane: structure in first source | 2.17 | 1 | 0 | ||
| phenylsulfate phenylsulfate: RN given refers to parent cpd. phenyl hydrogen sulfate : An aryl sulfate that is phenol bearing an O-sulfo substituent. | 2.1 | 1 | 0 | aryl sulfate | human xenobiotic metabolite |
| n-octadecyltrimethoxysilane n-octadecyltrimethoxysilane: used to form self-assembled monolayers for high contrast patterned adsorption of bovine serum albumin and deriviatives | 2.05 | 1 | 0 | ||
| 6-carboxyfluorescein 6-carboxyfluorescein: originally sold as 6-carboxyfluorescein, but commercial product is a mixture of two isomers; correct name is 5(6)-carboxyfluorescein | 1.96 | 1 | 0 | monocarboxylic acid | |
| cobalt phthalocyanine [no description available] | 2.04 | 1 | 0 | ||
| vanadium dioxide [no description available] | 2.21 | 1 | 0 | vanadium oxide | |
| bromates Bromates: Negative ions or salts derived from bromic acid, HBrO3. | 2.42 | 2 | 0 | bromine oxoanion; monovalent inorganic anion | |
| coenzyme a [no description available] | 2.08 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme; Escherichia coli metabolite; mouse metabolite |
| titanium hydroxide titanium hydroxide: RN given refers to cpd with unknown MF | 2.6 | 1 | 0 | ||
| nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.45 | 2 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug; biomarker; immunomodulator; mitogen; neurotoxin; nicotinic acetylcholine receptor agonist; peripheral nervous system drug; phytogenic insecticide; plant metabolite; psychotropic drug; teratogenic agent; xenobiotic |
| fibrinogen Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol. | 2.5 | 2 | 0 | iditol | fungal metabolite |
| goethite [no description available] | 7.13 | 1 | 0 | ||
| methylglucoside [no description available] | 2.03 | 1 | 0 | ||
| salsolinol salsolinol: RN given refers to cpd without isomeric designation; EP to SALSOLINE ALKALOIDS (78-82); on-line search SALSOLINE ALKALOIDS (78-82); Index Medicus search ISOQUINOLINES (78-82). (S)-salsolinol : A 1-methyl-1,2,3,4-tetrahydroisoquinoline-6,7-diol that has S-configuration. | 2.05 | 1 | 0 | 1-methyl-1,2,3,4-tetrahydroisoquinoline-6,7-diol | human urinary metabolite |
| diethofencarb diethofencarb: structure given in first source. diethofencarb : A carbamate ester that is the isopropyl ester of (3,4-diethoxyphenyl)carbamic acid. A fungicide with strong activity against Botrytis cinerea and benzimidazole-resistant strains of Botryis spp. | 2.6 | 1 | 0 | aromatic ether; carbamate ester; carbanilate fungicide | antifungal agrochemical |
| 3-fluorotyrosine 3-fluorotyrosine: RN given refers to cpd without isomeric designation | 1.99 | 1 | 0 | fluoroamino acid; fluorophenol; non-proteinogenic alpha-amino acid; tyrosine derivative | |
| mercury cadmium telluride [no description available] | 2.13 | 1 | 0 | ||
| coumarin 480 coumarin 480: structure in first source | 2.1 | 1 | 0 | 7-aminocoumarins | fluorochrome |
| 2,2',4,4'-tetrabromodiphenyl ether [no description available] | 2.54 | 2 | 0 | aromatic ether; organobromine compound | |
| 2,3-naphthalenedicarboxaldehyde 2,3-naphthalenedicarboxaldehyde: used in colorimetric determination of cholesterol; RN from CA Form Index Vol 90; N1 same as NM | 2.03 | 1 | 0 | ||
| nitrophenylgalactosides Nitrophenylgalactosides: Includes ortho-, meta-, and para-nitrophenylgalactosides.. 2-nitrophenyl beta-D-galactoside : A beta-D-galactoside having a 2-nitrophenyl substituent at the anomeric position. | 2.02 | 1 | 0 | beta-D-galactoside; C-nitro compound | chromogenic compound |
| quindoline quindoline: a fused indole-quinoline alkaloid from CRYPTOLEPIS sanguinolenta; structure | 2.05 | 1 | 0 | ||
| pyrimidin-2-one beta-ribofuranoside pyrimidin-2-one beta-ribofuranoside: RN given refers to (D)-isomer; structure | 1.99 | 1 | 0 | pyrimidine ribonucleosides | |
| methionylmethionine methionylmethionine: has growth-promoting ability equal to DL-methionine; RN given refers to (DL-Met-DL-Met)-isomer. Met-Met : A dipeptide formed from two L-methionine residues. | 1.96 | 1 | 0 | ||
| cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 4.05 | 13 | 0 | cobalt group element atom; metal allergen | micronutrient |
| tert-butylbicyclophosphorothionate tert-butylbicyclophosphorothionate: binds to GABA & ion recognition sites; structure given in first source | 2.05 | 1 | 0 | organic thiophosphate | |
| calcium phosphate, dibasic, dihydrate calcium phosphate, dibasic, dihydrate: Molecular formula CaHPO(4)-2(H2O) | 2.46 | 2 | 0 | calcium salt; hydrate | |
| wr 1065 WR-1065 : An alkanethiol that is the N-3-aminopropyl derivative of cysteamine. Used as the S-phosphorylated prodrug, amifostine, for cytoprotection in cancer chemotherapy and radiotherapy. | 1.96 | 1 | 0 | alkanethiol; diamine | antioxidant; drug metabolite; radiation protective agent |
| u 74389f U 74389F: a 21-aminosteroid antioxidant (lazaroids); inhibitor of iron-dependent lipid peroxidation; structure in first source | 1.99 | 1 | 0 | ||
| cyanates Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 3.14 | 5 | 0 | ||
| procyanidin Proanthocyanidins: Dimers and oligomers of flavan-3-ol units (CATECHIN analogs) linked mainly through C4 to C8 bonds to leucoanthocyanidins. They are structurally similar to ANTHOCYANINS but are the result of a different fork in biosynthetic pathways. | 2.05 | 1 | 0 | proanthocyanidin | |
| anserine Anserine: A dipeptide containing BETA-ALANINE.. anserine : A dipeptide comprising of beta-alanine and 3-methyl-L-histidine units. | 2.05 | 1 | 0 | beta-alanine derivative; dipeptide; zwitterion | animal metabolite; mouse metabolite |
| 2,3-bis(3'-hydroxybenzyl)butyrolactone 2,3-bis(3'-hydroxybenzyl)butyrolactone: lignan isolated from urine of humans & other mammals; RN given refers to cpd without isomeric designation; structure given in second source | 2 | 1 | 0 | lignan | |
| fe(ii)-edta Fe(II)-EDTA: RN given refers to parent cpd | 1.97 | 1 | 0 | iron coordination entity | |
| dihydro-dids [no description available] | 2.11 | 1 | 0 | ||
| gallium nitride [no description available] | 2.05 | 1 | 0 | ||
| ruthenium tetraoxide ruthenium tetraoxide: RN given refers to unlabeled cpd with MF of Ru-O4 | 2.03 | 1 | 0 | ||
| caprylates Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis. | 1.99 | 1 | 0 | fatty acid anion 8:0; straight-chain saturated fatty acid anion | human metabolite; Saccharomyces cerevisiae metabolite |
| florox reagent Florox Reagent: reagent for analysis of ketosteroids; structure | 2.02 | 1 | 0 | ||
| phenoxy radical phenoxy radical : An organic radical generated from phenol. | 2.48 | 2 | 0 | organic radical | |
| carbene carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.01 | 1 | 0 | carbene; methanediyl | |
| hydronium ion [no description available] | 5.74 | 15 | 0 | onium cation; oxygen hydride | |
| peroxynitrous acid Peroxynitrous Acid: A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES). | 4.06 | 4 | 0 | nitrogen oxoacid | |
| perchlorate perchlorate: the explosive component of rocket fuel; an environmental contaminant that disrupts THYROID HORMONES. perchlorate : A monovalent inorganic anion obtained by deprotonation of perchloric acid. | 2.05 | 1 | 0 | chlorine oxoanion; monovalent inorganic anion | |
| magnesium octaethylporphyrin [no description available] | 1.95 | 1 | 0 | ||
| fullerene c60 Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms. | 2.74 | 3 | 0 | fullerene | geroprotector |
| adenophostin a adenophostin A: structure given in first source; an inositol-1,4,5-trisphosphate agonist isolated from Penicillium brevicompactum | 2.08 | 1 | 0 | disaccharide phosphate | |
| 2,3-bis(3'-hydroxybenzyl)butane-1,4-diol 2,3-bis(3'-hydroxybenzyl)butane-1,4-diol: lignan isolated from urine of humans & other mammals | 2 | 1 | 0 | lignan | |
| methotrexate [no description available] | 3.53 | 7 | 0 | dicarboxylic acid; monocarboxylic acid amide; pteridines | abortifacient; antimetabolite; antineoplastic agent; antirheumatic drug; dermatologic drug; DNA synthesis inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; immunosuppressive agent |
| xylose xylopyranose: structure in first source | 2.05 | 1 | 0 | D-xylose | |
| beta-lactams 2-azetidinone: structure in first source. azetidin-2-one : An unsubstituted beta-lactam compound.. beta-lactam : A lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. | 3.15 | 5 | 0 | beta-lactam antibiotic allergen; beta-lactam | |
| cyclopropenone cyclopropenone: structure in first source. cyclopropenone : Three-membered alicyclic ketones containing a single C=C double bond. | 2.02 | 1 | 0 | ||
| proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 2.45 | 2 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
| ertapenem Ertapenem: A carbapenem derivative antibacterial agent that is more stable to renal dehydropeptidase I than IMIPENEM, but does not need to be given with an enzyme inhibitor such as CILASTATIN. It is used in the treatment of Gram-positive and Gram-negative bacterial infections including intra-abdominal infections, acute gynecological infections, complicated urinary tract infections, skin infections, and respiratory tract infections. It is also used to prevent infection in colorectal surgery.. ertapenem : Meropenem in which the one of the two methyl groups attached to the amide nitrogen is replaced by hydrogen while the other is replaced by a 3-carboxyphenyl group. The sodium salt is used for the treatment of moderate to severe susceptible infections including intra-abdominal and acute gynaecological infections, pneumonia, and infections of the skin and of the urinary tract. | 2.03 | 1 | 0 | carbapenemcarboxylic acid; pyrrolidinecarboxamide | antibacterial drug |
| 2-fluorotyrosine 2-fluorotyrosine: RN given refers to (+-) cpd; RN for cpd without isomeric designation not available 8/89; PET tracer of protein synthesis | 1.99 | 1 | 0 | ||
| naproxen Naproxen: An anti-inflammatory agent with analgesic and antipyretic properties. Both the acid and its sodium salt are used in the treatment of rheumatoid arthritis and other rheumatic or musculoskeletal disorders, dysmenorrhea, and acute gout.. naproxen : A methoxynaphthalene that is 2-methoxynaphthalene substituted by a carboxy ethyl group at position 6. Naproxen is a non-steroidal anti-inflammatory drug commonly used for the reduction of pain, fever, inflammation and stiffness caused by conditions such as osteoarthritis, kidney stones, rheumatoid arthritis, psoriatic arthritis, gout, ankylosing spondylitis, menstrual cramps, tendinitis, bursitis, and for the treatment of primary dysmenorrhea. It works by inhibiting both the COX-1 and COX-2 enzymes. | 2.41 | 1 | 0 | methoxynaphthalene; monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; gout suppressant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
| hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 8.98 | 13 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
| naphthalenediimide naphthalenediimide: structure in first source | 2.45 | 2 | 0 | ||
| calcium aluminate [no description available] | 1.92 | 1 | 0 | ||
| gadolinium oxide gadolinium oxide: RN given refers to cpd with MF of Gd2-O3 | 2.49 | 2 | 0 | ||
| singlet oxygen Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 3.13 | 5 | 0 | chalcogen; monoatomic oxygen; nonmetal atom | macronutrient |
| peroxymonosulfate peroxymonosulfate: oxidizing agent in prevention of tooth discoloration; RN given refers to ion(2-) | 3.51 | 5 | 0 | sulfur oxide; sulfur oxoanion | |
| fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 2.05 | 1 | 0 | ||
| gamma-glutamylmethylamide gamma-glutamylmethylamide: RN refers to L-isomer | 1.99 | 1 | 0 | ||
| maprounic acid maprounic acid: from Maprounea africana; structure given in first source. maprounic acid : A pentacyclic triterpenoid isolated from Maprounea africana and has been shown to exhibit inhibitory activity against HIV-1 reverse transcriptase. | 2.05 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | HIV-1 reverse transcriptase inhibitor; plant metabolite |
| ammonium borate ammonium borate: RN refers to H3BO3 | 2.02 | 1 | 0 | ||
| glycine chloramine glycine chloramine: removes dental caries | 2.47 | 2 | 0 | ||
| calcium pyrophosphate [no description available] | 2.69 | 3 | 0 | ||
| cupric hydroxide copper hydroxide: used as an antifungal agent | 2.6 | 1 | 0 | organic molecular entity | |
| vinylphosphonic acid [no description available] | 2.05 | 1 | 0 | ||
| biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 2.52 | 2 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
| lignin Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 2.57 | 2 | 0 | ||
| organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 4.39 | 6 | 0 | divalent inorganic anion; phosphite ion | |
| nickel monoxide [no description available] | 2.47 | 2 | 0 | ||
| 2,5-dihydroxybenzyl alcohol 2,5-dihydroxybenzyl alcohol: structure; RN given refers to parent cpd. gentisyl alcohol : An aromatic primary alcohol that is benzyl alcohol substituted by hydroxy groups at positions 2 and 5. | 2.03 | 1 | 0 | aromatic primary alcohol; phenols | antineoplastic agent; antioxidant; apoptosis inhibitor; fungal metabolite |
| 2-deoxystreptamine 2-deoxystreptamine: RN given refers to parent cpd; structure.. 2-deoxystreptamine : An amino cyclitol consisting of scyllo-inositol with the hydroxy groups at positions 1 and 3 replaced by unsubstituted amino groups and that at position 2 replaced by hydrogen. | 2.02 | 1 | 0 | ||
| cortisone [no description available] | 1.94 | 1 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
| benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.98 | 4 | 0 | ||
| sodium bromide sodium bromide: RN given refers to parent cpd. sodium bromide : An inorganic sodium salt having bromide as the counterion. | 2.47 | 2 | 0 | bromide salt; inorganic sodium salt | |
| 3,4-dihydroxyphenylpropionic acid 3,4-dihydroxyphenylpropionic acid: metabolite of caffeic acid; RN given refers to parent cpd; structure. 3-(3,4-dihydroxyphenyl)propanoic acid : A monocarboxylic acid that is 3-phenylpropionic acid substituted by hydroxy groups at positions 3 and 4. Also known as dihydrocaffeic acid, it is a metabolite of caffeic acid and exhibits antioxidant activity. | 2.06 | 1 | 0 | (dihydroxyphenyl)propanoic acid | antioxidant; human xenobiotic metabolite |
| acetogenins Acetogenins: Polyketides of up to a few dozen carbons in length, formed by chain extension of multiple PROPIONATES and oxygenated to form tetrahydrofuran and lactone rings along the length of the chain. They are found in ANNONACEAE and other PLANTS. Related compounds cyclize to MACROLIDES. | 2.02 | 1 | 0 | ||
| arabinose [no description available] | 2.04 | 1 | 0 | L-arabinose | Escherichia coli metabolite; mouse metabolite |
| n-acetylneuraminic acid N-Acetylneuraminic Acid: An N-acyl derivative of neuraminic acid. N-acetylneuraminic acid occurs in many polysaccharides, glycoproteins, and glycolipids in animals and bacteria. (From Dorland, 28th ed, p1518). N-acetylneuraminic acid : An N-acylneuraminic acid where the N-acyl group is specified as acetyl. | 3.61 | 2 | 0 | N-acetylneuraminic acids | antioxidant; bacterial metabolite; EC 3.2.1.18 (exo-alpha-sialidase) inhibitor; human metabolite; mouse metabolite |
| amylopectin Amylopectin: A highly branched glucan in starch.. amylopectin : A polydisperse highly branched polysaccharide derivative composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage. The chains are joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some 6-phosphate ester groups also may occur. The branches in amylopectin typically contain 24 to 30 glucose residues. | 2.08 | 1 | 0 | ||
| hexacyanoferrate iii hexacyanoferrate III: RN given refers to parent cpd | 2.03 | 1 | 0 | ||
| glucosamine D-glucosamine : An amino sugar whose structure comprises D-glucose having an amino substituent at position 2.. 2-amino-2-deoxy-D-glucopyranose : A D-glucosamine whose structure comprises D-glucopyranose having an amino substituent at position 2. | 2.44 | 2 | 0 | D-glucosamine | Escherichia coli metabolite; geroprotector; mouse metabolite |
| elastin [no description available] | 2.25 | 1 | 0 | oligopeptide | |
| carnosine polaprezinc: stimulates bone growth | 2.05 | 1 | 0 | amino acid zwitterion; dipeptide | anticonvulsant; antineoplastic agent; antioxidant; Daphnia magna metabolite; geroprotector; human metabolite; mouse metabolite; neuroprotective agent |
| bekanamycin bekanamycin: kanendomycin is the sulfate of bekanamycin; RN given refers to parent cpd; structure | 2.02 | 1 | 0 | kanamycins | |
| inositol 1,4,5-trisphosphate Inositol 1,4,5-Trisphosphate: Intracellular messenger formed by the action of phospholipase C on phosphatidylinositol 4,5-bisphosphate, which is one of the phospholipids that make up the cell membrane. Inositol 1,4,5-trisphosphate is released into the cytoplasm where it releases calcium ions from internal stores within the cell's endoplasmic reticulum. These calcium ions stimulate the activity of B kinase or calmodulin. | 2.08 | 1 | 0 | myo-inositol trisphosphate | mouse metabolite |
| mannosamine mannosamine: RN given refers to parent cpd without isomeric designation. D-mannosamine : The D-enantiomer of mannosamine.. 2-amino-2-deoxy-D-mannopyranose : A D-mannosamine in cyclic pyranose form. | 2.05 | 1 | 0 | D-mannosamine | |
| nivalenol nivalenol: RN given refers to 3alpha,4beta,7alpha-isomer | 2.15 | 1 | 0 | trichothecene | |
| strychnine Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.. strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. | 2.06 | 1 | 0 | monoterpenoid indole alkaloid; organic heteroheptacyclic compound | avicide; cholinergic antagonist; glycine receptor antagonist; neurotransmitter agent; rodenticide |
| ryanodine Ryanodine: A methylpyrrole-carboxylate from RYANIA that disrupts the RYANODINE RECEPTOR CALCIUM RELEASE CHANNEL to modify CALCIUM release from SARCOPLASMIC RETICULUM resulting in alteration of MUSCLE CONTRACTION. It was previously used in INSECTICIDES. It is used experimentally in conjunction with THAPSIGARGIN and other inhibitors of CALCIUM ATPASE uptake of calcium into SARCOPLASMIC RETICULUM.. ryanodine : An insecticide alkaloid isolated from South American plant Ryania speciosa. | 1.99 | 1 | 0 | ||
| ginsenoside rf ginsenoside Rf: from ginseng. ginsenoside Rf : A ginsenoside found in Panax ginseng and Panax japonicus var. major that is dammarane which is substituted by hydroxy groups at the 3beta, 6alpha, 12beta and 20 pro-S positions, in which the hydroxy group at position 6 has been converted to the corresponding beta-D-glucopyranosyl-(1->2)-beta-D-glucopyranoside, and in which a double bond has been introduced at the 24-25 position. | 2.6 | 1 | 0 | 12beta-hydroxy steroid; 20-hydroxy steroid; 3beta-hydroxy-4,4-dimethylsteroid; 3beta-hydroxy steroid; beta-D-glucoside; disaccharide derivative; ginsenoside; tetracyclic triterpenoid | antineoplastic agent; apoptosis inducer; plant metabolite |
| ochratoxin a ochratoxin A: structure in first source & in Merck, 9th ed, #6549. ochratoxin A : A phenylalanine derivative resulting from the formal condensation of the amino group of L-phenylalanine with the carboxy group of (3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carboxylic acid (ochratoxin alpha). It is among the most widely occurring food-contaminating mycotoxins, produced by Aspergillus ochraceus, Aspergillus carbonarius and Penicillium verrucosum. | 2.41 | 1 | 0 | isochromanes; monocarboxylic acid amide; N-acyl-L-phenylalanine; organochlorine compound; phenylalanine derivative | Aspergillus metabolite; calcium channel blocker; carcinogenic agent; mycotoxin; nephrotoxin; Penicillium metabolite; teratogenic agent |
| lignans Lignans: A class of dibenzylbutane derivatives which occurs in higher plants and in fluids (bile, serum, urine, etc.) in man and other animals. These compounds, which have a potential anti-cancer role, can be synthesized in vitro by human fecal flora. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) | 2.43 | 2 | 0 | ||
| e 3040 E 3040: a dual inhibitor of 5-lipoxygenase and thromboxane A2 synthetase; structure given in first source | 2 | 1 | 0 | benzothiazoles; organic hydroxy compound; pyridines; secondary amino compound | anti-inflammatory drug; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; uricosuric drug |
| betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 3.14 | 5 | 0 | cyclodextrin | |
| maleic acid maleic acid: RN given refers to parent cpd(Z)-isomer which is maleic acid; all RR's given refer to (Z)-isomer; (E)-isomer is fumaric acid. maleic acid : A butenedioic acid in which the double bond has cis- (Z)-configuration. | 2.08 | 1 | 0 | butenedioic acid | algal metabolite; mouse metabolite; plant metabolite |
| arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 1.96 | 1 | 0 | icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid | Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite |
| resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.77 | 3 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
| oleic acid Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 2.05 | 1 | 0 | octadec-9-enoic acid | antioxidant; Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; Escherichia coli metabolite; mouse metabolite; plant metabolite; solvent |
| ferric hydroxide ferric hydroxide: additional RNs for iron hydroxide oxide: 11115-92-7, 20344-49-4; RN for unspecified iron hydroxide: 11113-66-9 | 2.31 | 1 | 0 | ||
| leucine phosphonic acid leucine phosphonic acid: a leucine aminopeptidase antagonist; structure given in first source | 2.02 | 1 | 0 | ||
| cocaine Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 3.53 | 2 | 0 | benzoate ester; methyl ester; tertiary amino compound; tropane alkaloid | adrenergic uptake inhibitor; central nervous system stimulant; dopamine uptake inhibitor; environmental contaminant; local anaesthetic; mouse metabolite; plant metabolite; serotonin uptake inhibitor; sodium channel blocker; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
| diethylstilbestrol Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed). diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. | 2.02 | 1 | 0 | olefinic compound; polyphenol | antifungal agent; antineoplastic agent; autophagy inducer; calcium channel blocker; carcinogenic agent; EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; endocrine disruptor; xenoestrogen |
| riboflavin vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 1.98 | 1 | 0 | flavin; vitamin B2 | anti-inflammatory agent; antioxidant; cofactor; Escherichia coli metabolite; food colouring; fundamental metabolite; human urinary metabolite; mouse metabolite; photosensitizing agent; plant metabolite |
| sodium bicarbonate Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 4.32 | 4 | 1 | one-carbon compound; organic sodium salt | antacid; food anticaking agent |
| sodium benzoate Sodium Benzoate: The sodium salt of BENZOIC ACID. It is used as an antifungal preservative in pharmaceutical preparations and foods. It may also be used as a test for liver function.. sodium benzoate : An organic sodium salt resulting from the replacement of the proton from the carboxy group of benzoic acid by a sodium ion. | 2 | 1 | 0 | organic sodium salt | algal metabolite; antimicrobial food preservative; drug allergen; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; human xenobiotic metabolite; plant metabolite |
| methyl thioacetate [no description available] | 2 | 1 | 0 | thionoester | |
| iron tetraphenylporphyrin [no description available] | 1.96 | 1 | 0 | ||
| glycosides [no description available] | 4.67 | 8 | 0 | ||
| retinaldehyde Retinaldehyde: A diterpene derived from the carotenoid VITAMIN A which functions as the active component of the visual cycle. It is the prosthetic group of RHODOPSIN (i.e., covalently bonded to ROD OPSIN as 11-cis-retinal). When stimulated by visible light, rhodopsin transforms this cis-isomer of retinal to the trans-isomer (11-trans-retinal). This transformation straightens-out the bend of the retinal molecule and causes a change in the shape of rhodopsin triggering the visual process. A series of energy-requiring enzyme-catalyzed reactions convert the 11-trans-retinal back to the cis-isomer.. all-trans-retinal : A retinal in which all four exocyclic double bonds have E- (trans-) geometry. | 2.4 | 2 | 0 | retinal; vitamin A | gap junctional intercellular communication inhibitor; human metabolite; mouse metabolite |
| stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 3.12 | 5 | 0 | stilbene | |
| sorbic acid Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 2.03 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; sorbic acid | |
| pyrophosphate Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.69 | 3 | 0 | diphosphate ion | |
| propylthiouracil Propylthiouracil: A thiourea antithyroid agent. Propythiouracil inhibits the synthesis of thyroxine and inhibits the peripheral conversion of throxine to tri-iodothyronine. It is used in the treatment of hyperthyroidism. (From Martindale, The Extra Pharmacopeoia, 30th ed, p534). 6-propyl-2-thiouracil : A pyrimidinethione consisting of uracil in which the 2-oxo group is substituted by a thio group and the hydrogen at position 6 is substituted by a propyl group. | 2.15 | 1 | 0 | pyrimidinethione | antidote to paracetamol poisoning; antimetabolite; antioxidant; antithyroid drug; carcinogenic agent; EC 1.14.13.39 (nitric oxide synthase) inhibitor; hormone antagonist |
| caffeic acid trans-caffeic acid : The trans-isomer of caffeic acid. | 2.05 | 1 | 0 | caffeic acid | geroprotector; mouse metabolite |
| curcumin Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.. curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. | 2.78 | 3 | 0 | aromatic ether; beta-diketone; diarylheptanoid; enone; polyphenol | anti-inflammatory agent; antifungal agent; antineoplastic agent; biological pigment; contraceptive drug; dye; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; flavouring agent; food colouring; geroprotector; hepatoprotective agent; immunomodulator; iron chelator; ligand; lipoxygenase inhibitor; metabolite; neuroprotective agent; nutraceutical; radical scavenger |
| p-cyanophenylalanine p-cyanophenylalanine: structure in first source | 2.05 | 1 | 0 | ||
| chlorogenic acid caffeoylquinic acid: Antiviral Agent; structure in first source. chlorogenate : A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3. | 2.21 | 1 | 0 | cinnamate ester; tannin | food component; plant metabolite |
| 1,3-dimethylthiourea [no description available] | 2.02 | 1 | 0 | ||
| thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.39 | 2 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
| indigo carmine Indigo Carmine: Indolesulfonic acid used as a dye in renal function testing for the detection of nitrates and chlorates, and in the testing of milk.. indigo carmine : An organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. It is an indicator at pH 11.5-14, changing from blue to yellow. | 2.21 | 1 | 0 | ||
| D-fructopyranose [no description available] | 2.01 | 1 | 0 | cyclic hemiketal; D-fructose; fructopyranose | sweetening agent |
| sodium ethoxide sodium ethoxide : An organic monosodium salt that has ethoxide as the counterion. | 2 | 1 | 0 | organic sodium salt | nucleophilic reagent |
| ferric ferrocyanide ferric ferrocyanide: antidote to thallium poisoning; RN given refers to Fe(+3)[3:4] salt; structure | 2.55 | 2 | 0 | ||
| tungsten carbide tungsten carbide: RN given refers to cpd with unspecified MF | 2.41 | 1 | 0 | ||
| nadp [no description available] | 2.05 | 1 | 0 | ||
| 1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 3.35 | 6 | 0 | ||
| 2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole 2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole: an amyloid imaging agent; structure in first source | 2.05 | 1 | 0 | ||
| valinomycin Valinomycin: A cyclododecadepsipeptide ionophore antibiotic produced by Streptomyces fulvissimus and related to the enniatins. It is composed of 3 moles each of L-valine, D-alpha-hydroxyisovaleric acid, D-valine, and L-lactic acid linked alternately to form a 36-membered ring. (From Merck Index, 11th ed) Valinomycin is a potassium selective ionophore and is commonly used as a tool in biochemical studies.. valinomycin : A twelve-membered cyclodepsipeptide composed of three repeating D-alpha-hydroxyisovaleryl-D-valyl-L-lactoyl-L-valyl units joined in sequence. An antibiotic found in several Streptomyces strains. | 2.42 | 2 | 0 | cyclodepsipeptide; macrocycle | antimicrobial agent; antiviral agent; bacterial metabolite; potassium ionophore |
| thiopental Thiopental: A barbiturate that is administered intravenously for the induction of general anesthesia or for the production of complete anesthesia of short duration.. thiopental : A barbiturate, the structure of which is that of 2-thiobarbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 1.98 | 1 | 0 | barbiturates | anticonvulsant; drug allergen; environmental contaminant; intravenous anaesthetic; sedative; xenobiotic |
| ranitidine Ranitidine: A non-imidazole blocker of those histamine receptors that mediate gastric secretion (H2 receptors). It is used to treat gastrointestinal ulcers.. ranitidine : A member of the class of furans used to treat peptic ulcer disease (PUD) and gastroesophageal reflux disease. | 1.97 | 1 | 0 | C-nitro compound; furans; organic sulfide; tertiary amino compound | anti-ulcer drug; drug allergen; environmental contaminant; H2-receptor antagonist; xenobiotic |
| laccase Laccase: A copper-containing oxidoreductase enzyme that catalyzes the oxidation of 4-benzenediol to 4-benzosemiquinone. It also has activity towards a variety of O-quinols and P-quinols. It primarily found in FUNGI and is involved in LIGNIN degradation, pigment biosynthesis and detoxification of lignin-derived products. | 2.4 | 2 | 0 | ||
| lithium Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 2.43 | 2 | 0 | alkali metal atom | |
| nitrogen dioxide Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface. | 2.03 | 1 | 0 | nitrogen oxide | |
| quinine [no description available] | 1.99 | 1 | 0 | cinchona alkaloid | antimalarial; muscle relaxant; non-narcotic analgesic |
| 4-azidobenzoic acid [no description available] | 2.06 | 1 | 0 | ||
| methyl radical [no description available] | 2.05 | 1 | 0 | organic radical | |
| 2,2-dimethyl-5-hydroxy-1-pyrrolidinyloxy 2,2-dimethyl-5-hydroxy-1-pyrrolidinyloxy: structure given in first source | 2.01 | 1 | 0 | ||
| cystine [no description available] | 3.06 | 1 | 0 | ||
| oxalylglycine oxalylglycine: structure given in first source. N-oxalylglycine : An amino dicarboxylic acid that is iminodiacetic acid with an oxo substituent. It is used as an inhibitor of alpha-ketoglutarate dependent (EC 1.14.11.*) enzymes. | 2.06 | 1 | 0 | amino dicarboxylic acid; N-acylglycine | EC 1.14.11.* (oxidoreductase acting on paired donors, 2-oxoglutarate as one donor, incorporating 1 atom each of oxygen into both donors) inhibitor |
| nitinol nitinol: RN given refers to cpd with MF of Ni-Ti; do not confuse with titanium nickelide; other nitinols (nitinol SE and nitinol 55) are Co-Ni-Ti alloys | 2.41 | 1 | 0 | ||
| calixarenes Calixarenes: Phenolic metacyclophanes derived from condensation of PHENOLS and ALDEHYDES. The name derives from the vase-like molecular structures. A bracketed [n] indicates the number of aromatic rings.. calixarenes : Originally macrocyclic compounds capable of assuming a basket (or "calix") shaped conformation. They are formed from p-hydrocarbyl phenols and formaldehyde. The term now applies to a variety of derivatives by substitution of the hydrocarbon cyclo{oligo[(1,3-phenylene)methylene]}.. calixarene : A macrocycle composed of 1,3-phenylene groups linked by methylene groups. The number of 1,3-phenylene units in the macrocycle is denoted by the "n" in calix[n]arene name. | 2.05 | 1 | 0 | ||
| trimethionine [no description available] | 1.96 | 1 | 0 | oligopeptide | |
| ginsenosides ginsenoside : Triterpenoid saponins with a dammarane-like skeleton originally isolated from ginseng (Panax) species. Use of the term has been extended to include semi-synthetic derivatives. | 2.6 | 1 | 0 | ||
| ovalbumin Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 3.18 | 5 | 0 | ||
| sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 2.48 | 2 | 0 | organic sodium salt | detergent; protein denaturant |
| 16-mercaptohexadecanoic acid [no description available] | 2.46 | 2 | 0 | ||
| alizarin red s Alizarin Red S: RN given refers to parent cpd; structure. alizarin red S : An organic sodium salt having 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate as the counterion. It is commonly used to stain embryo skeletons in cleared whole mounts, usually of small mammals. | 2.01 | 1 | 0 | organic sodium salt; organosulfonate salt | histological dye |
| naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.96 | 4 | 0 | ||
| sodium borohydride sodium borohydride: RN given refers to parent cpd | 2.44 | 2 | 0 | inorganic sodium salt; metal tetrahydridoborate | |
| diethyl maleate diethyl maleate : A maleate ester resulting from the formal condensation of both carboxy groups of maleic acid with ethanol. A colourless liquid at room temperature (m.p. -10degreeC) with boiling point 220degreeC at 1 atm., it is commonly used as a dienophile for Diels-Alder-type cycloaddition reactions in organic synthesis. | 2 | 1 | 0 | ethyl ester; maleate ester | glutathione depleting agent |
| quercetin [no description available] | 2.98 | 4 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger |
| bilirubin [no description available] | 2.39 | 2 | 0 | biladienes; dicarboxylic acid | antioxidant; human metabolite; mouse metabolite |
| dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.42 | 2 | 0 | prostaglandins E | human metabolite; mouse metabolite; oxytocic |
| dinoprost Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 2 | 1 | 0 | monocarboxylic acid; prostaglandins Falpha | human metabolite; mouse metabolite |
| biochanin a [no description available] | 2.31 | 1 | 0 | 4'-methoxyisoflavones; 7-hydroxyisoflavones | antineoplastic agent; EC 3.5.1.99 (fatty acid amide hydrolase) inhibitor; phytoestrogen; plant metabolite; tyrosine kinase inhibitor |
| apigenin Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | 2.05 | 1 | 0 | trihydroxyflavone | antineoplastic agent; metabolite |
| linoleic acid Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 2.43 | 2 | 0 | octadecadienoic acid; omega-6 fatty acid | algal metabolite; Daphnia galeata metabolite; plant metabolite |
| calcitriol dihydroxy-vitamin D3: as a major in vitro metabolite of 1alpha,25-dihydroxyvitamin D3, produced in primary cultures of neonatal human keratinocytes | 3.57 | 2 | 0 | D3 vitamins; hydroxycalciol; triol | antineoplastic agent; antipsoriatic; bone density conservation agent; calcium channel agonist; calcium channel modulator; hormone; human metabolite; immunomodulator; metabolite; mouse metabolite; nutraceutical |
| beta carotene beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 2.06 | 1 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
| 11-cis-retinal Rhodopsin: A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.. 11-cis-retinal : A retinal having 2E,4Z,6E,8E-double bond geometry. | 2.05 | 1 | 0 | retinal | chromophore; human metabolite; mouse metabolite |
| cholecalciferol Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 2.06 | 1 | 0 | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
| rutin Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.06 | 1 | 0 | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
| genistein [no description available] | 2.31 | 1 | 0 | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor |
| 7-hydroxycoumarin 7-oxycoumarin: derivatives have anti-oxidant properties. umbelliferone : A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. | 2.25 | 1 | 0 | hydroxycoumarin | fluorescent probe; food component; plant metabolite |
| 3-methylquercetin isorhamnetin : A monomethoxyflavone that is quercetin in which the hydroxy group at position 3' is replaced by a methoxy group. | 2.06 | 1 | 0 | 7-hydroxyflavonol; monomethoxyflavone; tetrahydroxyflavone | anticoagulant; EC 1.14.18.1 (tyrosinase) inhibitor; metabolite |
| 4-acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid: A non-penetrating amino reagent (commonly called SITS) which acts as an inhibitor of anion transport in erythrocytes and other cells. | 2.91 | 4 | 0 | stilbenoid | |
| 8-epi-prostaglandin f2alpha 8-epi-prostaglandin F2alpha: a potent preglomerular vasoconstrictor acting principally through thromboxane A2 receptor activation. 8-epi-prostaglandin F2alpha : An isoprostane that is prostaglandin F2alpha having inverted stereochemistry at the 8-position. | 2 | 1 | 0 | F2-isoprostane | biomarker; bronchoconstrictor agent; vasoconstrictor agent |
| misoprostol Misoprostol: A synthetic analog of natural prostaglandin E1. It produces a dose-related inhibition of gastric acid and pepsin secretion, and enhances mucosal resistance to injury. It is an effective anti-ulcer agent and also has oxytocic properties.. misoprostol : A diastereoisomeric mixture composed of approximately equal amounts of a double racemate of four of the sixteen possible diastereoisomers of methyl (13E)-11,16-dihydroxy-16-methyl-9-oxoprost-13-en-1-oate that is racemic prostaglandin E1 which is lacking the hydroxy group at position 15, but which has an additional hydroxy group at position 16. It is a synthetic prostaglandin E1 analogue, used in the treatment of gastric and duodenal ulcers. A weak abortifacient, it is also used for cervical ripening prior to surgical termination of pregnancy. The (11R,16S)-diastereoisomer is the pharmacologically active form. | 1.97 | 1 | 0 | ||
| fondaparinux Fondaparinux: Synthetic pentasaccharide that mediates the interaction of HEPARIN with ANTITHROMBINS and inhibits FACTOR Xa; it is used for prevention of VENOUS THROMBOEMBOLISM after surgery.. fondaparinux : A synthetic pentasaccharide which, apart from the O-methyl group at the reducing end of the molecule, consists of monomeric sugar units which are identical to a sequence of five monomeric sugar units that can be isolated after either chemical or enzymatic cleavage of the polymeric glycosaminoglycans heparin and heparan sulfate. | 2.1 | 1 | 0 | amino sugar; oligosaccharide sulfate; pentasaccharide derivative | anticoagulant |
| 2-nonenal, (trans)-isomer 2-nonenal: RN given refers to cpd without isomeric designation. non-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position.. (E)-non-2-enal : A monounsaturated fatty aldehyde that is (2E)-non-2-ene which is carrying an oxo group at position 1. | 2.01 | 1 | 0 | enal; medium-chain fatty aldehyde; monounsaturated fatty aldehyde | plant metabolite |
| 3-nonenal 3-nonenal: RN refers to (3Z)-isomer; structure given in first source | 2.01 | 1 | 0 | fatty aldehyde | |
| 1-monooleoyl-rac-glycerol Peceol: lipid excipient containing readily dispersible mixture of mono- & diglycerides of oleic acid. 1-oleoylglycerol : A 1-monoglyceride where the acyl group is oleoyl.. monooleoylglycerol : A monoglyceride in which the acyl group is oleoyl with the position of acylation unspecified. | 1.95 | 1 | 0 | 1-acylglycerol 18:1; monooleoylglycerol | plant metabolite |
| amsonic acid amsonic acid: RN given refers to parent cpd | 2.46 | 2 | 0 | ||
| hydromorphone Hydromorphone: An opioid analgesic made from MORPHINE and used mainly as an analgesic. It has a shorter duration of action than morphine.. hydromorphone : A morphinane alkaloid that is a hydrogenated ketone derivative of morphine. A semi-synthetic drug, it is a centrally acting pain medication of the opioid class. | 2.01 | 1 | 0 | morphinane alkaloid; organic heteropentacyclic compound | mu-opioid receptor agonist; opioid analgesic |
| 4,4'-diaminostilbene [no description available] | 2.03 | 1 | 0 | ||
| morphine Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 2.13 | 1 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
| endomorphin 2 endomorphin 2: isolated from bovine brain | 2.02 | 1 | 0 | ||
| enprostil Enprostil: A synthetic PGE2 analog that has an inhibitory effect on gastric acid secretion, a mucoprotective effect, and a postprandial lowering effect on gastrin. It has been shown to be efficient and safe in the treatment of gastroduodenal ulcers. | 1.97 | 1 | 0 | ||
| lysophosphatidic acid lysophosphatidic acid: RN given refers to parent cpd. 1-oleoyl-sn-glycerol 3-phosphate : A 1-acyl-sn-glycerol 3-phosphate having oleoyl as the 1-O-acyl group.. lysophosphatidic acid : A member of the class of lysophosphatidic acids obtained by hydrolytic removal of one of the two acyl groups of any phosphatidic acid. A 'closed' class. | 3.12 | 1 | 0 | 1-acyl-sn-glycerol 3-phosphate | |
| biliverdine [no description available] | 2.03 | 1 | 0 | ||
| tin [no description available] | 2.45 | 2 | 0 | carbon group element atom; elemental tin; metal atom | micronutrient |
| antimony Antimony: A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes. | 7.46 | 2 | 0 | metalloid atom; pnictogen | |
| cesium Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency. | 2.69 | 3 | 0 | alkali metal atom | |
| rubidium Rubidium: An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37, and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of photoelectric cells. | 2.46 | 2 | 0 | alkali metal atom | |
| aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 5.04 | 39 | 0 | boron group element atom; elemental aluminium; metal atom | |
| strontium Strontium: An element of the alkaline earth family of metals. It has the atomic symbol Sr, atomic number 38, and atomic weight 87.62. | 2.15 | 1 | 0 | alkaline earth metal atom | |
| bismuth Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209. | 3.43 | 7 | 0 | metal atom; pnictogen | |
| thallium Thallium: A heavy, bluish white metal, atomic number 81, atomic weight [204.382; 204.385], symbol Tl.. thallium : A metallic element first identified and named from the brilliant green line in its flame spectrum (from Greek thetaalphalambdalambdaomicronsigma, a green shoot). | 1.99 | 1 | 0 | boron group element atom | |
| arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 3.11 | 4 | 0 | metalloid atom; pnictogen | micronutrient |
| indium Indium: A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.. indium atom : A metallic element first identified and named from the brilliant indigo (Latin indicum) blue line in its flame spectrum. | 2.67 | 3 | 0 | boron group element atom | |
| gallium Gallium: A rare, metallic element designated by the symbol, Ga, atomic number 31, and atomic weight 69.72.. gallium atom : A metallic element predicted as eka-aluminium by Mendeleev in 1870 and discovered by Paul-Emile Lecoq de Boisbaudran in 1875. Named in honour of France (Latin Gallia) and perhaps also from the Latin gallus cock, a translation of Lecoq. | 2.05 | 1 | 0 | boron group element atom | |
| sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 3.42 | 7 | 0 | chalcogen; nonmetal atom | macronutrient |
| dimyristoylphosphatidylcholine 1,2-di-O-myristoyl-sn-glycero-3-phosphocholine : A 1,2-diacyl-sn-glycero-3-phosphocholine where the two phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl).. dimyristoyl phosphatidylcholine : A phosphatidylcholine where the phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl). | 1.97 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine; phosphatidylcholine 28:0; tetradecanoate ester | antigen; mouse metabolite |
| fumarates Fumarates: Compounds based on fumaric acid.. fumarate(2-) : A C4-dicarboxylate that is the E-isomer of but-2-enedioate(2-) | 2.05 | 1 | 0 | butenedioate; C4-dicarboxylate | human metabolite; metabolite; Saccharomyces cerevisiae metabolite |
| beryllium Beryllium: An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.. beryllium atom : Alkaline earth metal atom with atomic number 4. | 1.98 | 1 | 0 | alkaline earth metal atom; elemental beryllium; metal allergen | adjuvant; carcinogenic agent; epitope |
| cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 3.27 | 6 | 0 | cysteinium | fundamental metabolite |
| silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 4.45 | 6 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
| phosphorus Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 5.44 | 18 | 0 | monoatomic phosphorus; nonmetal atom; pnictogen | macronutrient |
| boron Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. | 3.91 | 3 | 0 | boron group element atom; metalloid atom; nonmetal atom | micronutrient |
| heroin Heroin: A narcotic analgesic that may be habit-forming. It is a controlled substance (opium derivative) listed in the U.S. Code of Federal Regulations, Title 21 Parts 329.1, 1308.11 (1987). Sale is forbidden in the United States by Federal statute. (Merck Index, 11th ed). heroin : A morphinane alkaloid that is morphine bearing two acetyl substituents on the O-3 and O-6 positions. As with other opioids, heroin is used as both an analgesic and a recreational drug. Frequent and regular administration is associated with tolerance and physical dependence, which may develop into addiction. Its use includes treatment for acute pain, such as in severe physical trauma, myocardial infarction, post-surgical pain, and chronic pain, including end-stage cancer and other terminal illnesses. | 2.13 | 1 | 0 | morphinane alkaloid | mu-opioid receptor agonist; opioid analgesic; prodrug |
| 6-o-monoacetylmorphine 6-O-monoacetylmorphine: RN given refers to parent cpd(5alpha,6alpha)-isomer | 2.13 | 1 | 0 | morphinane alkaloid | |
| 2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid 2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid: chromogen in glucose oxidase-peroxidase method for determining serum glucose; used in free radical scavenging assays; structure in first source | 3.19 | 5 | 0 | ||
| carbocyanines Carbocyanines: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials. | 2.25 | 1 | 0 | cyanine dye; organic iodide salt | fluorochrome |
| 4,4'-diisothiocyanostilbene-2,2'-disulfonic acid 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid: An inhibitor of anion conductance including band 3-mediated anion transport. | 3.25 | 6 | 0 | ||
| tetrodotoxin Tetrodotoxin: An aminoperhydroquinazoline poison found mainly in the liver and ovaries of fishes in the order TETRAODONTIFORMES, which are eaten. The toxin causes paresthesia and paralysis through interference with neuromuscular conduction.. tetrodotoxin : A quinazoline alkaloid that is a marine toxin isolated from fish such as puffer fish. It has been shown to exhibit potential neutotoxicity due to its ability to block voltage-gated sodium channels. | 2.42 | 2 | 0 | azatetracycloalkane; oxatetracycloalkane; quinazoline alkaloid | animal metabolite; bacterial metabolite; marine metabolite; neurotoxin; voltage-gated sodium channel blocker |
| polonium Polonium: A radioactive element that is a member of the chalcogen family. It has the atomic symbol Po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209Po) is 208.98. It decays by alpha-emission.. polonium atom : A radioactive metallic element discovered in 1898 by Marie Sklodowska Curie and named after her home country, Poland (Latin Polonia). | 2.1 | 1 | 0 | chalcogen; metal atom | |
| oxalates Oxalates: Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure. | 2.69 | 3 | 0 | ||
| antimycin a Antimycin A: An antibiotic substance produced by Streptomyces species. It inhibits mitochondrial respiration and may deplete cellular levels of ATP. Antimycin A1 has been used as a fungicide, insecticide, and miticide. (From Merck Index, 12th ed). antimycin A : A nine-membered bis-lactone having methyl substituents at the 2- and 6-positions, an n-hexyl substituent at the 8-position, an acyloxy substituent at the 7-position and an aroylamido substituent at the 3-position. It is produced by Streptomyces bacteria and has found commercial use as a fish poison. | 2.01 | 1 | 0 | amidobenzoic acid | |
| 1-palmitoyl-2-oleoylphosphatidylcholine 1-palmitoyl-2-oleoylphosphatidylcholine: RN given refers to (Z)-isomer | 2.02 | 1 | 0 | ||
| myxothiazol myxothiazol: strobilurin analogue; methoxyacrylamide derivative; antifungal antibiotic from Myxococcus fulvus; structure given in first source. myxothiazol : A 2,4'-bi-1,3-thiazole substituted at the 4-position with a (1E,3S,4R,5E)-7-amino-3,5-dimethoxy-4-methyl-7-oxohepta-1,5-dien-1-yl] group and at the 2'-position with a (2S,3E,5E)-7-methylocta-3,5-dien-2-yl group. It is an inhibitor of coenzyme Q - cytochrome c reductase. | 2.01 | 1 | 0 | ||
| tolytoxin tolytoxin: from three species of Scytonema; structure given in first source | 2.41 | 1 | 0 | diterpene lactone | |
| bacteriochlorophylls Bacteriochlorophylls: Pyrrole containing pigments found in photosynthetic bacteria. | 2.4 | 2 | 0 | ||
| s-nitroso-n-acetylpenicillamine S-Nitroso-N-Acetylpenicillamine: A sulfur-containing alkyl thionitrite that is one of the NITRIC OXIDE DONORS. | 1.99 | 1 | 0 | nitroso compound; nitrosothio compound | nitric oxide donor; vasodilator agent |
| gadolinium dtpa Gadolinium DTPA: A complex of gadolinium with a chelating agent, diethylenetriamine penta-acetic acid (DTPA see PENTETIC ACID), that is given to enhance the image in cranial and spinal MRIs. (From Martindale, The Extra Pharmacopoeia, 30th ed, p706) | 2.03 | 1 | 0 | gadolinium coordination entity | MRI contrast agent |
| morphinans Morphinans: Compounds based on a partially saturated iminoethanophenanthrene, which can be described as ethylimino-bridged benzo-decahydronaphthalenes. They include some of the OPIOIDS found in PAPAVER that are used as ANALGESICS. | 2.01 | 1 | 0 | isoquinoline alkaloid fundamental parent; morphinane alkaloid | |
| androstane androstane: RN given refers to cpd without isomeric designation | 2.05 | 1 | 0 | steroid fundamental parent | |
| corrole corrole: structure in first source. corrole : A tetrapyrrole fundamental parent that is the octadehydro drivative of corrin. | 2.05 | 1 | 0 | ||
| carboxyl radical [no description available] | 2.45 | 2 | 0 | carbon oxide; organic radical anion | xenobiotic metabolite |
| isoborneol isoborneol: RN given refers to cpd without isomeric designation; structure | 2.1 | 1 | 0 | borneol | |
| chlorhexidine Chlorhexidine: A disinfectant and topical anti-infective agent used also as mouthwash to prevent oral plaque.. chlorhexidine : A bisbiguanide compound with a structure consisting of two (p-chlorophenyl)guanide units linked by a hexamethylene bridge. | 7.49 | 2 | 0 | biguanides; monochlorobenzenes | antibacterial agent; antiinfective agent |
| ferrihydrite ferric oxyhydroxide: an antiferromagnetic material; constitutes the core of natural ferritin; mol form 5Fe2O3.9H2O | 3.87 | 3 | 0 | ||
| bismuth phosphate bismuth phosphate: used in treatment of renal cysts | 2.08 | 1 | 0 | ||
| mocetinostat mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 2.4 | 2 | 0 | aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline | antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent |
| lipid a Lipid A: Lipid A is the biologically active component of lipopolysaccharides. It shows strong endotoxic activity and exhibits immunogenic properties.. lipid A : The glycolipid moiety of bacterial lipopolysaccharide (R can be either hydrogen or a fatty acyl group). | 1.96 | 1 | 0 | dodecanoate ester; lipid A; tetradecanoate ester | Escherichia coli metabolite |
| secoisolariciresinol diglucoside secoisolariciresinol diglucoside: major precursor of mammalian lignans; structure given in first source; RN given refers to B-D-GLUCO isomer | 2 | 1 | 0 | ||
| zeolites [no description available] | 3.31 | 6 | 0 | ||
| aluminum oxide Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. | 3.45 | 7 | 0 | ||
| phosphoramidite phosphoramidite: structure in first source. phosphoramidite : A compound with the general formula (RO)2PNR2. Phosphoramidites can be regarded as phosphites that have an NR2 instead of an OH group, or as amides of phosphorous acid. | 4.23 | 5 | 0 | ||
| artenimol artenimol: derivative of antimalarial drug artemisinin (quinghaosu) | 2.25 | 1 | 0 | ||
| homocarnosine homocarnosine: RN given refers to parent cpd. homocarnosine : A histidine derivative that is histidine in which one of the hydrogens attached to the alpha-amino group has been replaced by a 4-aminobutanoyl group. | 2.05 | 1 | 0 | dipeptide zwitterion; dipeptide; homocarnosine; L-histidine derivative; N-acyl-L-alpha-amino acid anion; N-acyl-L-alpha-amino acid | human metabolite |
| alpha-synuclein alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 2.08 | 1 | 0 | ||
| ribose ribopyranose : The pyranose form of ribose. | 2.68 | 3 | 0 | D-ribose; ribopyranose | |
| ferryl iron [no description available] | 2.31 | 1 | 0 | ||
| indocyanine green Indocyanine Green: A tricarbocyanine dye that is used diagnostically in liver function tests and to determine blood volume and cardiac output. | 2.21 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate; benzoindole; cyanine dye | |
| resorcinarene resorcinarene: structure in first source | 2.05 | 1 | 0 | ||
| acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.96 | 1 | 0 | ||
| maltoheptaose maltoheptaose: consists of seven glucose residues in a linear 1,4-alpha-linkage; substrate for determining alpha-amylase in serum; RN given refers to (D-glucopyranose)-isomer. maltoheptaose : A maltoheptaose heptasaccharide in which the glucose residue at the reducing end is in the aldehydo open-chain form.. alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-D-Glcp : A maltoheptaose heptasaccharide consisting of six alpha-D-glucose residues and a D-glucose residue joined in sequence by (1->4) glycosidic bonds. | 2.06 | 1 | 0 | maltoheptaose heptasaccharide | |
| copper(ii) citrate [no description available] | 2.11 | 1 | 0 | ||
| nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.39 | 2 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
| protectin d1 protectin D1: a docosahexaenoic acid-derived docosatriene protects human retinal pigment epithelial cells from oxidative stress; structure in first source. protectin D1 : A dihydroxydocosahexaenoic acid that is (4Z,7Z,11E,13E,15Z,19Z)-docosahexaenoic acid in which the two hydroxy substituents are located at positions 10 and 17 (the 10R,17S-stereoisomer). Protectin D1 is one of the specialised proresolving mediators. When produced in neural tissues, it is called neuroprotectin D1 | 2.05 | 1 | 0 | dihydroxydocosahexaenoic acid; protectin; secondary allylic alcohol | anti-inflammatory agent; apoptosis inhibitor; hepatoprotective agent; human xenobiotic metabolite; neuroprotective agent; PPARgamma agonist; specialised pro-resolving mediator |
| cosyntropin Cosyntropin: A synthetic peptide that is identical to the 24-amino acid segment at the N-terminal of ADRENOCORTICOTROPIC HORMONE. ACTH (1-24), a segment similar in all species, contains the biological activity that stimulates production of CORTICOSTEROIDS in the ADRENAL CORTEX.. cosyntropin : A synthetic peptide that is identical to the 24-amino acid segment at the N-terminal of adrenocorticotropic hormone (corticotropin). A segment similar in all species, it contains the biological activity that stimulates production of corticosteroids in the adrenal cortex. It is used diagnostically to investigate adrenocortical insufficiency. | 1.93 | 1 | 0 | ||
| adrenocorticotropin zinc [no description available] | 1.93 | 1 | 0 | ||
| gramicidin a Gramicidin: A group of peptide antibiotics from BACILLUS brevis. Gramicidin C or S is a cyclic, ten-amino acid polypeptide and gramicidins A, B, D are linear. Gramicidin is one of the two principal components of TYROTHRICIN. | 2.41 | 2 | 0 | ||
| tannins Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing. | 2.06 | 1 | 0 | ||
| oligonucleotides [no description available] | 2.94 | 4 | 0 | ||
| cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 9.61 | 7 | 0 | glycoside | |
| phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 3.26 | 6 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
| chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.11 | 1 | 0 | chlorophyll; methyl ester | cofactor |
| sodium salicylate [no description available] | 2.4 | 2 | 0 | organic molecular entity | |
| ubiquinone Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 2.13 | 1 | 0 | ||
| 1,2,4-trioxane 1,2,4-trioxane: structure in first source | 2.17 | 1 | 0 | ||
| silicate cement Silicate Cement: A relatively hard, translucent, restorative material used primarily in anterior teeth. (From Boucher's Clinical Dental Terminology, 4th ed, p50) | 3.86 | 2 | 0 | ||
| chitosan [no description available] | 3.71 | 9 | 0 | ||
| sodium hypochlorite Sodium Hypochlorite: It is used as an oxidizing and bleaching agent and as a disinfectant. (From Grant & Hackh's Chemical Dictionary, 5th ed). sodium hypochlorite : An inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach. | 5.12 | 5 | 2 | inorganic sodium salt | bleaching agent; disinfectant |
| methyl orange methyl orange: indictor of pH with strong acids & bases; also used as reagent to form ion pairs with, and thereby isolate, certain compounds from biological material; minor descriptor (75-86); on-line & INDEX MEDICUS search AZO COMPOUNDS (75-86); file maintained to Azo cpds | 2.41 | 1 | 0 | ||
| stearates Stearates: Salts and esters of the 18-carbon saturated, monocarboxylic acid--stearic acid. | 2.05 | 1 | 0 | ||
| mannans [no description available] | 2.13 | 1 | 0 | ||
| glycolipids [no description available] | 2.41 | 2 | 0 | ||
| tylosin [no description available] | 2.6 | 1 | 0 | ||
| heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 4.11 | 15 | 0 | ||
| ll z1640-2 LL Z1640-2: structure in first source | 2.05 | 1 | 0 | ||
| ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 5.12 | 10 | 1 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
| tetracycline Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 3.37 | 4 | 0 | ||
| salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 3.07 | 5 | 0 | monohydroxybenzoate | plant metabolite |
| warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 3.19 | 5 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
| kaolinite Kaolin: The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: high ridge), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed). kaolin : An aluminosilicate soft white mineral named after the hill in China (Kao-ling) from which it was mined for centuries. In its natural state kaolin is a white, soft powder consisting principally of the mineral kaolinite, and varying amounts of other minerals such as muscovite, quartz, feldspar, and anatase. It is used in the manufacture of china and porcelain and also widely used in the production of paper, rubber, paint, drying agents, and many other products. | 2.43 | 2 | 0 | aluminosilicate mineral; mixture | antidiarrhoeal drug; excipient |
| clay Clay: A naturally-occurring rock or soil constituent characterized by particles with a diameter of less than 0.005 mm. It is composed primarily of hydrous aluminum silicates, trace amounts of metal OXIDES, and organic matter. | 4.99 | 11 | 0 | ||
| pyrethrins [no description available] | 2.48 | 2 | 0 | ||
| agar Agar: A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.. agar : A complex mixture of polysaccharides extracted from species of red algae. Its two main components are agarose and agaropectin. Agarose is the component responsible for the high-strength gelling properties of agar, while agaropectin provides the viscous properties. | 2.1 | 1 | 0 | ||
| caseins Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. | 2.01 | 1 | 0 | ||
| phthalocyanine phthalocyanine : A tetrapyrrole fundamental parent that consists of four isoindole-type units, with the connecting carbon atoms in the macrocycle replaced by nitrogen. | 2.04 | 1 | 0 | phthalocyanines; tetrapyrrole fundamental parent | |
| nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 2.99 | 4 | 0 | ||
| vitamin b 12 Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 2.07 | 1 | 0 | ||
| 2-methylisoborneol 2-methylisoborneol: structure. 2-methylisoborneol : An bornane monoterpenoid comprising isoborneol carrying a 2-methyl substituent (the 1R,2R,4R-diastereomer). | 2.1 | 1 | 0 | ||
| carboxymethyl-beta-cyclodextrin [no description available] | 2.1 | 1 | 0 | ||
| orabase Orabase: used in therapy of oral mucosal ulcers | 2.25 | 1 | 0 | ||
| muramidase Muramidase: A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17. | 3.8 | 3 | 0 | ||
| lupane lupane: has antineoplastic activity; structure in first source | 2.07 | 1 | 0 | ||
| deoxyguanosine [no description available] | 2.37 | 2 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| guanine [no description available] | 2.74 | 3 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| hypoxanthine [no description available] | 1.97 | 1 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
| folic acid folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.49 | 2 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
| oxyluciferin [no description available] | 2.08 | 1 | 0 | Photinus luciferin | oxidized luciferins |
| rifampin Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160) | 2.6 | 1 | 0 | cyclic ketal; hydrazone; N-iminopiperazine; N-methylpiperazine; rifamycins; semisynthetic derivative; zwitterion | angiogenesis inhibitor; antiamoebic agent; antineoplastic agent; antitubercular agent; DNA synthesis inhibitor; EC 2.7.7.6 (RNA polymerase) inhibitor; Escherichia coli metabolite; geroprotector; leprostatic drug; neuroprotective agent; pregnane X receptor agonist; protein synthesis inhibitor |
| allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 2.67 | 3 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
| vicine vicine: pyrimidine glycoside found in fava bean; structure | 2.05 | 1 | 0 | glycoside | |
| amido black Amido Black: A dye used to stain proteins in electrophoretic techniques. It is used interchangeably with its acid form.. Amido Black 10B (acid form) : A bis(azo) compound that is naphthalene-2,7-disulfonic acid in which the hydrogens at positions 3, 4, 5, and 6 are replaced by (p-nitrophenyl)azo, amino, hydroxy, and phenylazo groups, respectively. A biological stain, it can be used interchangeably with its disodium salt, Amido Black 10B. | 2.03 | 1 | 0 | ||
| 8-hydroxyguanine 7,8-dihydro-8-oxoguanine: was substituted for guanine at G(8), G(9), G(14), or G(15) in the human telomeric oligonucleotide 5'-d[AGGGTTAG(8)G(9)GTT AG(14)G(15)GTTAGGGTGT]-3'. 7,8-dihydro-8-oxoguanine : An oxopurine that is guanine in which the hydrogen at position 8 is replaced by an oxo group and in which the nitrogens at positions 7 and 9 each bear a hydrogen. | 2.06 | 1 | 0 | oxopurine | |
| 8-hydroxy-2'-deoxyguanosine 8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 1.97 | 1 | 0 | guanosines | biomarker |
| 2-naphthol orange 2-naphthol orange: structure; see also record for C.I. Solvent Orange 2 | 2.03 | 1 | 0 | ||
| eriochrome black t [no description available] | 2.49 | 2 | 0 | ||
| alcian blue Alcian Blue: A copper-containing dye used as a gelling agent for lubricants, for staining of bacteria and for the dyeing of histiocytes and fibroblasts in vivo. | 1.94 | 1 | 0 | ||
| acetylcellulose acetylcellulose: coating compound. cellulose acetate : A glucan derivative obtained through the esterification of cellulose by acetic anhydride or acetic acid, resulting in the substitution of some of the hydroxy groups of cellulose by acetyl groups. It is used in a variety of applications including base material for photographic film, clothing, membrane filters, coatings, food packaging, and as a frame material for eyeglasses. | 2.1 | 1 | 0 | ||
| carbidopa Carbidopa: An inhibitor of DOPA DECARBOXYLASE that prevents conversion of LEVODOPA to dopamine. It is used in PARKINSON DISEASE to reduce peripheral adverse effects of LEVODOPA. It has no anti-parkinson activity by itself.. carbidopa : The hydrate of 3-(3,4-dihydroxyphenyl)propanoic acid in which the hydrogens alpha- to the carboxyl group are substituted by hydrazinyl and methyl groups (S-configuration). Carbidopa is a dopa decarboxylase inhibitor, so prevents conversion of levodopa to dopamine. It has no antiparkinson activity by itself, but is used in the management of Parkinson's disease to reduce peripheral adverse effects of levodopa. | 1.99 | 1 | 0 | ||
| ganglioside, gm4 ganglioside, GM4: separated from a sulfoglycosphingolipid from rat kidney | 2.11 | 1 | 0 | ||
| metallothionein Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 2.17 | 1 | 0 | ||
| pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 2.05 | 1 | 0 |
| Condition | Indicated | Relationship Strength | Studies | Trials |
|---|---|---|---|---|
| Koch's Disease [description not available] | 0 | 2.41 | 1 | 0 |
| Tuberculosis Any of the infectious diseases of man and other animals caused by species of MYCOBACTERIUM TUBERCULOSIS. | 0 | 2.41 | 1 | 0 |
| Cancer of Gallbladder [description not available] | 0 | 2.41 | 1 | 0 |
| Gallbladder Neoplasms Tumors or cancer of the gallbladder. | 0 | 2.41 | 1 | 0 |
| Alloxan Diabetes [description not available] | 0 | 2.82 | 2 | 0 |
| Diabetes Mellitus, Adult-Onset [description not available] | 0 | 2.82 | 2 | 0 |
| Diabetes Mellitus, Type 2 A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY. | 0 | 2.82 | 2 | 0 |
| Breast Cancer [description not available] | 0 | 2.6 | 1 | 0 |
| Breast Neoplasms Tumors or cancer of the human BREAST. | 0 | 2.6 | 1 | 0 |
| Benign Neoplasms [description not available] | 0 | 3.68 | 8 | 0 |
| Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. | 0 | 3.68 | 8 | 0 |
| Bacterial Disease [description not available] | 0 | 2.76 | 2 | 0 |
| Bacterial Infections Infections by bacteria, general or unspecified. | 0 | 2.76 | 2 | 0 |
| Chronic Kidney Diseases [description not available] | 0 | 2.6 | 1 | 0 |
| Renal Insufficiency, Chronic Conditions in which the KIDNEYS perform below the normal level for more than three months. Chronic kidney insufficiency is classified by five stages according to the decline in GLOMERULAR FILTRATION RATE and the degree of kidney damage (as measured by the level of PROTEINURIA). The most severe form is the end-stage renal disease (CHRONIC KIDNEY FAILURE). (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002) | 0 | 2.6 | 1 | 0 |
| Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. | 0 | 2.25 | 1 | 0 |
| Rheumatoid Arthritis [description not available] | 0 | 2.31 | 1 | 0 |
| Arthritis, Rheumatoid A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. | 0 | 2.31 | 1 | 0 |
| Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. | 0 | 3.46 | 7 | 0 |
| Experimental Mammary Neoplasms [description not available] | 0 | 2.25 | 1 | 0 |
| Blood Clot [description not available] | 0 | 2.31 | 1 | 0 |
| Thrombosis Formation and development of a thrombus or blood clot in the blood vessel. | 0 | 2.31 | 1 | 0 |
| Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply. | 0 | 2.91 | 4 | 0 |
| Caries, Dental [description not available] | 0 | 4.35 | 4 | 1 |
| Demineralization, Tooth [description not available] | 0 | 4.16 | 3 | 1 |
| Dental Caries Localized destruction of the tooth surface initiated by decalcification of the enamel followed by enzymatic lysis of organic structures and leading to cavity formation. If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp. | 0 | 4.35 | 4 | 1 |
| Anasarca [description not available] | 0 | 2.73 | 3 | 0 |
| Innate Inflammatory Response [description not available] | 0 | 3.93 | 4 | 0 |
| Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. | 0 | 2.73 | 3 | 0 |
| Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. | 0 | 3.93 | 4 | 0 |
| Bone Cancer [description not available] | 0 | 2.17 | 1 | 0 |
| Osteogenic Sarcoma [description not available] | 0 | 2.17 | 1 | 0 |
| Bone Neoplasms Tumors or cancer located in bone tissue or specific BONES. | 0 | 2.17 | 1 | 0 |
| Osteosarcoma A sarcoma originating in bone-forming cells, affecting the ends of long bones. It is the most common and most malignant of sarcomas of the bones, and occurs chiefly among 10- to 25-year-old youths. (From Stedman, 25th ed) | 0 | 2.17 | 1 | 0 |
| Dehydration The condition that results from excessive loss of water from a living organism. | 0 | 2.15 | 1 | 0 |
| Cancer of Lung [description not available] | 0 | 2.21 | 1 | 0 |
| Lung Neoplasms Tumors or cancer of the LUNG. | 0 | 2.21 | 1 | 0 |
| Lesion of Sciatic Nerve [description not available] | 0 | 2.17 | 1 | 0 |
| Experimental Hepatoma [description not available] | 0 | 2.78 | 3 | 0 |
| Hepatocellular Carcinoma [description not available] | 0 | 2.21 | 1 | 0 |
| Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. | 0 | 2.21 | 1 | 0 |
| Extravascular Hemolysis [description not available] | 0 | 2.73 | 3 | 0 |
| Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. | 0 | 2.73 | 3 | 0 |
| Liver Steatosis [description not available] | 0 | 2.08 | 1 | 0 |
| Insulin Sensitivity [description not available] | 0 | 2.08 | 1 | 0 |
| Alcohol Drinking Behaviors associated with the ingesting of ALCOHOLIC BEVERAGES, including social drinking. | 0 | 2.08 | 1 | 0 |
| Fatty Liver Lipid infiltration of the hepatic parenchymal cells resulting in a yellow-colored liver. The abnormal lipid accumulation is usually in the form of TRIGLYCERIDES, either as a single large droplet or multiple small droplets. Fatty liver is caused by an imbalance in the metabolism of FATTY ACIDS. | 0 | 2.08 | 1 | 0 |
| Insulin Resistance Diminished effectiveness of INSULIN in lowering blood sugar levels: requiring the use of 200 units or more of insulin per day to prevent HYPERGLYCEMIA or KETOSIS. | 0 | 2.08 | 1 | 0 |
| Anemias, Iron-Deficiency [description not available] | 0 | 2.08 | 1 | 0 |
| Anemia, Iron-Deficiency Anemia characterized by decreased or absent iron stores, low serum iron concentration, low transferrin saturation, and low hemoglobin concentration or hematocrit value. The erythrocytes are hypochromic and microcytic and the iron binding capacity is increased. | 0 | 2.08 | 1 | 0 |
| Ache [description not available] | 0 | 2.1 | 1 | 0 |
| Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS. | 0 | 2.1 | 1 | 0 |
| Degenerative Disc Disease [description not available] | 0 | 2.52 | 2 | 0 |
| Low Back Ache [description not available] | 0 | 2.11 | 1 | 0 |
| Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) | 0 | 3.43 | 7 | 0 |
| Low Back Pain Acute or chronic pain in the lumbar or sacral regions, which may be associated with musculo-ligamentous SPRAINS AND STRAINS; INTERVERTEBRAL DISK DISPLACEMENT; and other conditions. | 0 | 2.11 | 1 | 0 |
| Intervertebral Disc Degeneration Degenerative changes in the INTERVERTEBRAL DISC due to aging or structural damage, especially to the vertebral end-plates. | 0 | 2.52 | 2 | 0 |
| Autosomal Dominant Juvenile Parkinson Disease [description not available] | 0 | 2.1 | 1 | 0 |
| Parkinsonian Disorders A group of disorders which feature impaired motor control characterized by bradykinesia, MUSCLE RIGIDITY; TREMOR; and postural instability. Parkinsonian diseases are generally divided into primary parkinsonism (see PARKINSON DISEASE), secondary parkinsonism (see PARKINSON DISEASE, SECONDARY) and inherited forms. These conditions are associated with dysfunction of dopaminergic or closely related motor integration neuronal pathways in the BASAL GANGLIA. | 0 | 2.1 | 1 | 0 |
| Allodynia [description not available] | 0 | 2.1 | 1 | 0 |
| Nerve Pain [description not available] | 0 | 2.1 | 1 | 0 |
| Neuralgia Intense or aching pain that occurs along the course or distribution of a peripheral or cranial nerve. | 0 | 2.1 | 1 | 0 |
| Teeth, Devitalized [description not available] | 0 | 2.1 | 1 | 0 |
| Root Resorption Resorption in which cementum or dentin is lost from the root of a tooth owing to cementoclastic or osteoclastic activity in conditions such as trauma of occlusion or neoplasms. (Dorland, 27th ed) | 0 | 4.15 | 3 | 1 |
| Metastase [description not available] | 0 | 2.11 | 1 | 0 |
| Invasiveness, Neoplasm [description not available] | 0 | 2.11 | 1 | 0 |
| Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. | 0 | 2.11 | 1 | 0 |
| Cancer of Cervix [description not available] | 0 | 2.13 | 1 | 0 |
| Uterine Cervical Neoplasms Tumors or cancer of the UTERINE CERVIX. | 0 | 2.13 | 1 | 0 |
| Acidosis, Diabetic [description not available] | 0 | 2.13 | 1 | 0 |
| Electrolytes Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed) | 0 | 3.4 | 7 | 0 |
| Diabetic Ketoacidosis A life-threatening complication of diabetes mellitus, primarily of TYPE 1 DIABETES MELLITUS with severe INSULIN deficiency and extreme HYPERGLYCEMIA. It is characterized by KETOSIS; DEHYDRATION; and depressed consciousness leading to COMA. | 0 | 2.13 | 1 | 0 |
| Central Hypothyroidism [description not available] | 0 | 2.15 | 1 | 0 |
| Hypothyroidism A syndrome that results from abnormally low secretion of THYROID HORMONES from the THYROID GLAND, leading to a decrease in BASAL METABOLIC RATE. In its most severe form, there is accumulation of MUCOPOLYSACCHARIDES in the SKIN and EDEMA, known as MYXEDEMA. It may be primary or secondary due to other pituitary disease, or hypothalamic dysfunction. | 0 | 2.15 | 1 | 0 |
| Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. | 0 | 2.7 | 3 | 0 |
| Experimental Neoplasms [description not available] | 0 | 2.15 | 1 | 0 |
| Infections, Staphylococcal [description not available] | 0 | 2.04 | 1 | 0 |
| Staphylococcal Infections Infections with bacteria of the genus STAPHYLOCOCCUS. | 0 | 2.04 | 1 | 0 |
| Acute Confusional Senile Dementia [description not available] | 0 | 2.45 | 2 | 0 |
| Alzheimer Disease A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57) | 0 | 2.45 | 2 | 0 |
| Malignant Melanoma [description not available] | 0 | 2.05 | 1 | 0 |
| Melanoma A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445) | 0 | 2.05 | 1 | 0 |
| Dental Plaque A film that attaches to teeth, often causing DENTAL CARIES and GINGIVITIS. It is composed of MUCINS, secreted from salivary glands, and microorganisms. | 0 | 2.05 | 1 | 0 |
| HIV Human immunodeficiency virus. A non-taxonomic and historical term referring to any of two species, specifically HIV-1 and/or HIV-2. Prior to 1986, this was called human T-lymphotropic virus type III/lymphadenopathy-associated virus (HTLV-III/LAV). From 1986-1990, it was an official species called HIV. Since 1991, HIV was no longer considered an official species name; the two species were designated HIV-1 and HIV-2. | 0 | 2.05 | 1 | 0 |
| Absence Seizure [description not available] | 0 | 2.06 | 1 | 0 |
| Seizures Clinical or subclinical disturbances of cortical function due to a sudden, abnormal, excessive, and disorganized discharge of brain cells. Clinical manifestations include abnormal motor, sensory and psychic phenomena. Recurrent seizures are usually referred to as EPILEPSY or seizure disorder. | 0 | 2.06 | 1 | 0 |
| Burns, Chemical Burns caused by contact with or exposure to CAUSTICS or strong ACIDS. | 0 | 2.46 | 2 | 0 |
| Adenocarcinoma, Basal Cell [description not available] | 0 | 2.07 | 1 | 0 |
| Cancer of Colon [description not available] | 0 | 2.46 | 2 | 0 |
| Adenocarcinoma A malignant epithelial tumor with a glandular organization. | 0 | 2.07 | 1 | 0 |
| Colonic Neoplasms Tumors or cancer of the COLON. | 0 | 2.46 | 2 | 0 |
| Dentin Hypersensitivity [description not available] | 0 | 2.01 | 1 | 0 |
| Tooth Fractures Break or rupture of a tooth or tooth root. | 0 | 2.01 | 1 | 0 |
| Hemosiderosis Conditions in which there is a generalized increase in the iron stores of body tissues, particularly of liver and the MONONUCLEAR PHAGOCYTE SYSTEM, without demonstrable tissue damage. The name refers to the presence of stainable iron in the tissue in the form of hemosiderin. | 0 | 1.93 | 1 | 0 |
| Silicosis A form of pneumoconiosis resulting from inhalation of dust containing crystalline form of SILICON DIOXIDE, usually in the form of quartz. Amorphous silica is relatively nontoxic. | 0 | 1.94 | 1 | 0 |
| Diseases of Endocrine System [description not available] | 0 | 1.94 | 1 | 0 |
| Endocrine System Diseases Pathological processes of the ENDOCRINE GLANDS, and diseases resulting from abnormal level of available HORMONES. | 0 | 1.94 | 1 | 0 |
| Glaucoma, Suspect [description not available] | 0 | 2.02 | 1 | 0 |
| Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. | 0 | 2.4 | 2 | 0 |
| Ocular Hypertension A condition in which the intraocular pressure is elevated above normal and which may lead to glaucoma. | 0 | 2.02 | 1 | 0 |
| Atherogenesis [description not available] | 0 | 2.03 | 1 | 0 |
| Calcification, Pathologic [description not available] | 0 | 2.03 | 1 | 0 |
| Calcinosis Pathologic deposition of calcium salts in tissues. | 0 | 2.03 | 1 | 0 |
| Atherosclerosis A thickening and loss of elasticity of the walls of ARTERIES that occurs with formation of ATHEROSCLEROTIC PLAQUES within the ARTERIAL INTIMA. | 0 | 2.03 | 1 | 0 |
| Active Hyperemia [description not available] | 0 | 2.03 | 1 | 0 |
| Hyperemia The presence of an increased amount of blood in a body part or an organ leading to congestion or engorgement of blood vessels. Hyperemia can be due to increase of blood flow into the area (active or arterial), or due to obstruction of outflow of blood from the area (passive or venous). | 0 | 2.03 | 1 | 0 |
| Dental Fluoroses [description not available] | 0 | 3.33 | 2 | 0 |
| Fluorosis, Dental A chronic endemic form of hypoplasia of the dental enamel caused by drinking water with a high fluorine content during the time of tooth formation, and characterized by defective calcification that gives a white chalky appearance to the enamel, which gradually undergoes brown discoloration. (Jablonski's Dictionary of Dentistry, 1992, p286) | 0 | 3.33 | 2 | 0 |
| Cardiac Remodeling, Ventricular [description not available] | 0 | 2.95 | 1 | 0 |
| Cirrhosis [description not available] | 0 | 2.95 | 1 | 0 |
| Cardiovascular Stroke [description not available] | 0 | 2.95 | 1 | 0 |
| Fibrosis Any pathological condition where fibrous connective tissue invades any organ, usually as a consequence of inflammation or other injury. | 0 | 2.95 | 1 | 0 |
| Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). | 0 | 2.95 | 1 | 0 |
| Periodontitis, Acute Nonsuppurative [description not available] | 0 | 2.03 | 1 | 0 |
| Periapical Periodontitis Inflammation of the PERIAPICAL TISSUE. It includes general, unspecified, or acute nonsuppurative inflammation. Chronic nonsuppurative inflammation is PERIAPICAL GRANULOMA. Suppurative inflammation is PERIAPICAL ABSCESS. | 0 | 2.03 | 1 | 0 |
| Mucositis, Oral [description not available] | 0 | 1.92 | 1 | 0 |
| Stomatitis INFLAMMATION of the soft tissues of the MOUTH, such as MUCOSA; PALATE; GINGIVA; and LIP. | 0 | 1.92 | 1 | 0 |
| Smear Layer Adherent debris produced when cutting the enamel or dentin in cavity preparation. It is about 1 micron thick and its composition reflects the underlying dentin, although different quantities and qualities of smear layer can be produced by the various instrumentation techniques. Its function is presumed to be protective, as it lowers dentin permeability. However, it masks the underlying dentin and interferes with attempts to bond dental material to the dentin. | 0 | 3.43 | 1 | 1 |
| Eye Burns Injury to any part of the eye by extreme heat, chemical agents, or ultraviolet radiation. | 0 | 2.41 | 2 | 0 |
| Teratocarcinoma A malignant neoplasm consisting of elements of teratoma with those of embryonal carcinoma or choriocarcinoma, or both. It occurs most often in the testis. (Dorland, 27th ed) | 0 | 1.98 | 1 | 0 |
| Colitis Gravis [description not available] | 0 | 1.98 | 1 | 0 |
| Colitis, Ulcerative Inflammation of the COLON that is predominantly confined to the MUCOSA. Its major symptoms include DIARRHEA, rectal BLEEDING, the passage of MUCUS, and ABDOMINAL PAIN. | 0 | 1.98 | 1 | 0 |
| Carcinoma, Epidermoid [description not available] | 0 | 1.98 | 1 | 0 |
| Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) | 0 | 1.98 | 1 | 0 |
| Cocarcinogenesis The combination of two or more different factors in the production of cancer. | 0 | 2 | 1 | 0 |
| Injury, Ischemia-Reperfusion [description not available] | 0 | 2.38 | 2 | 0 |
| Reperfusion Injury Adverse functional, metabolic, or structural changes in tissues that result from the restoration of blood flow to the tissue (REPERFUSION) following ISCHEMIA. | 0 | 2.38 | 2 | 0 |
| Keratitis, Ulcerative [description not available] | 0 | 1.98 | 1 | 0 |
| Corneal Ulcer Loss of epithelial tissue from the surface of the cornea due to progressive erosion and necrosis of the tissue; usually caused by bacterial, fungal, or viral infection. | 0 | 1.98 | 1 | 0 |
| Experimental Lung Inflammation Inflammation of any part, segment or lobe, of the lung parenchyma. | 0 | 1.97 | 1 | 0 |
| Acute Disease Disease having a short and relatively severe course. | 0 | 1.97 | 1 | 0 |
| Pneumonia Infection of the lung often accompanied by inflammation. | 0 | 1.97 | 1 | 0 |
| Burns Injuries to tissues caused by contact with heat, steam, chemicals (BURNS, CHEMICAL), electricity (BURNS, ELECTRIC), or the like. | 0 | 1.97 | 1 | 0 |
| Chronic Lung Injury [description not available] | 0 | 1.97 | 1 | 0 |
| Abnormalities, Autosome [description not available] | 0 | 1.97 | 1 | 0 |