Substance | Relationship Strength | Studies | Trials | Classes | Roles |
monoisopropanolamine monoisopropanolamine: possible industrial pollutant; structure. 1-aminopropan-2-ol : Any amino alcohol that is propan-2-ol substituted by an amino group at position 1. | 1.99 | 1 | 0 | amino alcohol; secondary alcohol | Escherichia coli 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. | 2.04 | 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. | 3.37 | 1 | 1 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
acetamide acetimidic acid : A carboximidic acid that is acetic acid in which the carbonyl oxygen is replaced by an imino group. | 7.01 | 1 | 0 | acetamides; carboximidic acid; monocarboxylic acid amide; N-acylammonia | |
betaine glycine betaine : The amino acid betaine derived from glycine. | 2.68 | 3 | 0 | amino-acid betaine; glycine derivative | fundamental metabolite |
cadaverine [no description available] | 1.99 | 1 | 0 | alkane-alpha,omega-diamine | Daphnia magna metabolite; Escherichia coli metabolite; mouse metabolite; plant metabolite |
carbamates [no description available] | 2.49 | 2 | 0 | amino-acid anion | |
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. | 1.97 | 1 | 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 |
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). | 2.13 | 1 | 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. | 2.46 | 2 | 0 | chlorocarboxylic acid; haloacetic acid | alkylating agent; herbicide |
choline [no description available] | 4.62 | 8 | 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. | 2.03 | 1 | 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. | 2.69 | 3 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
4-nitrophenylphosphate nitrophenylphosphate: RN given refers to mono(4-nitrophenyl) ester of phosphoric acid. 4-nitrophenyl phosphate : An aryl phosphate resulting from the mono-esterification of phosphoric acid with 4-nitrophenol. | 2.37 | 2 | 0 | aryl phosphate | mouse metabolite |
hydrogen sulfide Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 2.03 | 1 | 0 | gas molecular entity; hydracid; mononuclear parent hydride; sulfur hydride | Escherichia coli metabolite; genotoxin; metabolite; signalling molecule; toxin; vasodilator agent |
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. | 7.17 | 1 | 0 | aminophenol | allergen; 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. | 2.05 | 1 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
dimethylamine [no description available] | 2.04 | 1 | 0 | methylamines; secondary aliphatic amine | metabolite |
ethanolamine [no description available] | 6.1 | 23 | 0 | ethanolamines; primary alcohol; primary amine | Escherichia coli metabolite; human metabolite; mouse metabolite |
glycine [no description available] | 2.38 | 2 | 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 |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.7 | 3 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
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. | 2.52 | 2 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.41 | 2 | 0 | imidazole | |
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.. | 6.93 | 1 | 0 | diatomic iodine | nutrient |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.46 | 2 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
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) | 2.71 | 3 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
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. | 2.01 | 1 | 0 | octanol; primary alcohol | antifungal agent; bacterial metabolite; fuel additive; kairomone; plant metabolite |
phenol [no description available] | 2.07 | 1 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
phosphorylcholine Phosphorylcholine: Calcium and magnesium salts used therapeutically in hepatobiliary dysfunction.. phosphocholine : The phosphate of choline; and the parent compound of the phosphocholine family. | 2.71 | 3 | 0 | phosphocholines | allergen; epitope; hapten; human metabolite; mouse metabolite |
1-propanol 1-Propanol: A colorless liquid made by oxidation of aliphatic hydrocarbons that is used as a solvent and chemical intermediate.. propan-1-ol : The parent member of the class of propan-1-ols that is propane in which a hydrogen of one of the methyl groups is replaced by a hydroxy group. | 2.39 | 2 | 0 | propan-1-ols; short-chain primary fatty alcohol | metabolite; protic solvent |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 7.01 | 1 | 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. | 2.04 | 1 | 0 | 2-oxo monocarboxylic acid | cofactor; fundamental metabolite |
spermine [no description available] | 2.07 | 1 | 0 | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent |
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. | 1.95 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
thymine [no description available] | 2.07 | 1 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
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 | 1 | 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-dinitrophenol 2,4-Dinitrophenol: A toxic dye, chemically related to trinitrophenol (picric acid), used in biochemical studies of oxidative processes where it uncouples oxidative phosphorylation. It is also used as a metabolic stimulant. (Stedman, 26th ed). dinitrophenol : Members of the class of nitrophenol carrying two nitro substituents.. 2,4-dinitrophenol : A dinitrophenol having the nitro groups at the 2- and 4-positions. | 1.97 | 1 | 0 | dinitrophenol | allergen; antiseptic drug; bacterial xenobiotic metabolite; geroprotector; oxidative phosphorylation inhibitor |
2-amino-2-methyl-1,3-propandiol 2-amino-2-methylpropane-1,3-diol : An aminodiol that is propane-1,3-diol substituted ny an amino and a methyl group at position 2. | 1.95 | 1 | 0 | aminodiol | |
etofylline etofylline: etophyllin appeared once in PubMed: Wien Med Wochenschr. 1986 May 15;136(9):213-8 as a combination drug with theophylline (spelt without e, theophllin) | 1.93 | 1 | 0 | oxopurine | |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.17 | 1 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
theophylline [no description available] | 2.33 | 2 | 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 |
2,2-bis(4-glycidyloxyphenyl)propane 2,2-bis(4-glycidyloxyphenyl)propane: structure | 2.17 | 1 | 0 | diarylmethane | |
camphor, (+-)-isomer [no description available] | 1.93 | 1 | 0 | bornane monoterpenoid; cyclic monoterpene ketone | plant metabolite |
etanidazole Etanidazole: A nitroimidazole that sensitizes hypoxic tumor cells that are normally resistant to radiation therapy.. etanidazole : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2-nitro-1H-imidazol-1-yl)acetic acid with the amino group of ethanolamine. Used as a radiosensitising agent for hypoxic tumour cells. | 1.99 | 1 | 0 | C-nitro compound; imidazoles; monocarboxylic acid amide | alkylating agent; antineoplastic agent; prodrug; radiosensitizing agent |
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. | 2.1 | 1 | 0 | alkane-alpha,omega-diamine | GABA agonist |
gentamicin Gentamicins: A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS. | 1.97 | 1 | 0 | | |
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. | 2.17 | 1 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
tetramisole 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole : An imidazothiazole that is imidazo[2,1-b][1,3]thiazole in which the double bonds at the 2-3 and 5-6 positions have been reduced to single bonds and in which one of the hydrogens at position 6 is replaced by a phenyl group.. tetramisole : A racemate comprising equimolar amounts of levamisole and dexamisole. | 1.96 | 1 | 0 | imidazothiazole | environmental contaminant; xenobiotic |
mechlorethamine nitrogen mustard : Compounds having two beta-haloalkyl groups bound to a nitrogen atom, as in (X-CH2-CH2)2NR. | 2.52 | 2 | 0 | nitrogen mustard; organochlorine compound | alkylating agent |
meclofenoxate Meclofenoxate: An ester of DIMETHYLAMINOETHANOL and para-chlorophenoxyacetic acid. | 1.99 | 1 | 0 | monocarboxylic acid | |
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. | 2.01 | 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 |
metformin Metformin: A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289). metformin : A member of the class of guanidines that is biguanide the carrying two methyl substituents at position 1. | 2.58 | 2 | 0 | guanidines | environmental contaminant; geroprotector; hypoglycemic agent; xenobiotic |
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.97 | 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 |
oxazepam Oxazepam: A benzodiazepine used in the treatment of anxiety, alcohol withdrawal, and insomnia.. oxazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a hydroxy group at position 3 and phenyl group at position 5. | 3.12 | 1 | 0 | 1,4-benzodiazepinone; organochlorine compound | anxiolytic drug; environmental contaminant; xenobiotic |
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. | 7.4 | 2 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
phenolsulfonphthalein Phenolsulfonphthalein: Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.. phenol red : 3H-2,1-Benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxyphenyl groups. A pH indicator changing colour from yellow below pH 6.8 to bright pink above pH 8.2, it is commonly used as an indicator in cell cultures and in home swimming pool test kits. It is also used in the (now infrequently performed) phenolsulfonphthalein (PSP) test for estimation of overall blood flow through the kidney. | 6.93 | 1 | 0 | 2,1-benzoxathiole; arenesulfonate ester; phenols; sultone | acid-base indicator; diagnostic agent; two-colour indicator |
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. | 2.03 | 1 | 0 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
4-bromotetramisole 4-bromotetramisole: available in levo & dextro form; L-form potent inhibitor of non specific alkaline phosphatase; RN given refers to cpd without isomeric designation | 1.96 | 1 | 0 | | |
2-aminopropanol 2-aminopropanol: RN given refers to cpd without isomeric designation. 2-aminopropan-1-ol : An amino alcohol that is alanine in which the carboxy group has been reduced to the corresponding alcohol. | 1.99 | 1 | 0 | amino alcohol; primary alcohol; primary amino compound | |
sulfamethoxypyridazine Sulfamethoxypyridazine: A sulfanilamide antibacterial agent.. sulfamethoxypyridazine : A sulfonamide consisting of pyridazine having a methoxy substituent at the 6-position and a 4-aminobenzenesulfonamido group at the 3-position. | 6.93 | 1 | 0 | pyridazines; sulfonamide antibiotic; sulfonamide | antiinfective agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
sulfanilamide [no description available] | 2.34 | 2 | 0 | substituted aniline; sulfonamide antibiotic; sulfonamide | antibacterial agent; drug allergen; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
sulfisoxazole Sulfisoxazole: A short-acting sulfonamide antibacterial with activity against a wide range of gram- negative and gram-positive organisms.. sulfisoxazole : A sulfonamide antibacterial with an oxazole substituent. It has antibiotic activity against a wide range of gram-negative and gram-positive organisms. | 2.34 | 2 | 0 | isoxazoles; sulfonamide antibiotic; sulfonamide | antibacterial drug; drug allergen |
urethane [no description available] | 2.02 | 1 | 0 | carbamate ester | fungal metabolite; mutagen |
zinc chloride zinc chloride: RN given refers to parent cpd. zinc dichloride : A compound of zinc and chloride ions in the ratio 1:2. It exists in four crystalline forms, in each of which the Zn(2+) ions are trigonal planar coordinated to four chloride ions. | 2.05 | 1 | 0 | inorganic chloride; zinc molecular entity | astringent; disinfectant; EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor; Lewis acid |
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. | 3.09 | 5 | 0 | nitrosamine | carcinogenic agent; hepatotoxic agent; mutagen |
hexamethonium bromide [no description available] | 1.99 | 1 | 0 | | |
cetrimonium bromide cetyltrimethylammonium bromide : The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide. | 1.99 | 1 | 0 | organic bromide salt; quaternary ammonium salt | detergent; surfactant |
tetrabenazine 9,10-dimethoxy-3-isobutyl-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one : A benzoquinolizine that is 1,2,3,4,4a,9,10,10a-octahydrophenanthrene in which the carbon at position 10a is replaced by a nitrogen and which is substituted by an isobutyl group at position 2, an oxo group at position 3, and methoxy groups at positions 6 and 7. | 1.96 | 1 | 0 | benzoquinolizine; cyclic ketone; tertiary amino compound | |
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.03 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
bromodeoxyuridine Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. | 2.43 | 2 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent |
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. | 1.97 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
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. | 1.99 | 1 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
acetylcholine chloride acetylcholine chloride : The chloride salt of acetylcholine, and a parasympatomimetic drug. | 1.99 | 1 | 0 | quaternary ammonium salt | |
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 1.95 | 1 | 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 |
aniline [no description available] | 2.04 | 1 | 0 | anilines; primary arylamine | |
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. | 1.96 | 1 | 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 |
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. | 2.06 | 1 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
hexachloroethane [no description available] | 3.12 | 1 | 0 | chlorocarbon; chloroethanes | carcinogenic agent; refrigerant |
methyl bromide methyl bromide: used in ionization chambers, degreasing wool, extracting oils; insect fumigant; high concentrations can produce pulmonary edema,narcosis; chronic exposure can cause CNS depression,kidney injury; RN given refers to parent cpd; structure. bromomethane : A one-carbon compound in which the carbon is attached by single bonds to three hydrogen atoms and one bromine atom. It is produced naturally by marine algae. | 2.02 | 1 | 0 | bromohydrocarbon; bromomethanes; methyl halides | algal metabolite; fumigant insecticide; marine metabolite |
ethane Ethane: A two carbon alkane with the formula H3C-CH3.. ethane : An alkane comprising of two carbon atoms. | 3.12 | 1 | 0 | alkane; gas molecular entity | plant metabolite; refrigerant |
methylamine methyl group : An alkyl group that is the univalent group derived from methane by removal of a hydrogen atom. | 2.04 | 1 | 0 | methylamines; one-carbon compound; primary aliphatic amine | mouse metabolite |
ethylamine ethylamine : A two-carbon primary aliphatic amine. | 2.11 | 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. | 1.97 | 1 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
carbon disulfide Carbon Disulfide: A colorless, flammable, poisonous liquid, CS2. It is used as a solvent, and is a counterirritant and has local anesthetic properties but is not used as such. It is highly toxic with pronounced CNS, hematologic, and dermatologic effects. | 2.08 | 1 | 0 | one-carbon compound; organosulfur compound | |
2-propylamine 2-propylamine: RN given refers to parent cpd | 2.04 | 1 | 0 | alkylamines; primary aliphatic amine | |
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. | 1.97 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; 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) | 2.77 | 3 | 0 | primary amino compound; triol | buffer |
pentaerythritol tetranitrate Pentaerythritol Tetranitrate: A vasodilator with general properties similar to NITROGLYCERIN but with a more prolonged duration of action. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1025). pentaerythritol tetranitrate : A pentaerythritol nitrate in which all four hydroxy groups of pentaerythritol have been converted to the corresponding nitrate ester. It is a vasodilator with properties similar to those of glyceryl trinitrate, but with a more prolonged duration of action, and is used for treatment of angina pectoris. It is also one of the most powerful high explosives known and is a component of the plastic explosive known as Semtex. | 1.95 | 1 | 0 | pentaerythritol nitrate | explosive; vasodilator agent |
n-vinyl-2-pyrrolidinone N-vinyl-2-pyrrolidinone: monomer of POVIDONE; structure given in first source | 2.4 | 2 | 0 | pyrrolidin-2-ones | |
methyleugenol methyleugenol: structure | 3.12 | 1 | 0 | phenylpropanoid | |
2,4-diaminotoluene 2,4-diaminotoluene: RN given refers to unlabeled parent cpd; structure. 2,4-diaminotoluene : An aminotoluene that is para-toluidine with an additional amino group at position 2. | 2.02 | 1 | 0 | aminotoluene | metabolite |
thioglycerol thioglycerol: potentiates action of bradykinin in guinea-pig ileum; RN given refers to parent cpd; structure. monothioglycerol : A thiol that is glycerol in which one of the primary hydroxy groups is replaced by a thiol group. | 2.11 | 1 | 0 | propane-1,2-diols; thiol | reducing agent; vulnerary |
4,4'-thiobis(6-tert-butyl-3-cresol) 4,4'-thiobis(6-tert-butyl-3-cresol): structure given in first source | 3.12 | 1 | 0 | | |
2-diethylaminoethanol 2-diethylaminoethanol: RN given refers to unlabeled parent cpd. 2-diethylaminoethanol : A member of the class of ethanolamines that is aminoethanol in which the hydrogens of the amino group are replaced by ethyl groups. | 1.99 | 1 | 0 | ethanolamines; primary alcohol; tertiary amino compound | |
dicyclohexylamine dicyclohexylamine: potent inhibitor of spermidine synthase; RN given refers to parent cpd | 2.4 | 2 | 0 | primary aliphatic amine | |
phenyl ether diphenyl ether : An aromatic ether in which the oxygen is attached to two phenyl substituents. It has been found in muscat grapes and vanilla. | 2.03 | 1 | 0 | aromatic ether | plant metabolite |
tripropylamine tripropylammonium: RN given refers to parent cpd. tripropylamine : A tertiary amine that is ammonia in which each hydrogen atom is substituted by a propyl group. | 2.05 | 1 | 0 | tertiary amine | |
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. | 6.03 | 21 | 0 | amino alcohol; tertiary amino compound; triol | buffer; surfactant |
n-methyldiethanolamine [no description available] | 2.98 | 4 | 0 | | |
epichlorohydrin Epichlorohydrin: A chlorinated epoxy compound used as an industrial solvent. It is a strong skin irritant and carcinogen.. epichlorohydrin : An epoxide that is 1,2-epoxypropene in which one of the methyl hydrogens is substituted by chlorine. | 2.21 | 1 | 0 | epoxide; organochlorine compound | |
2-methylpentane Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. | 2.1 | 1 | 0 | alkane | |
deanol Deanol: An antidepressive agent that has also been used in the treatment of movement disorders. The mechanism of action is not well understood.. N,N-dimethylethanolamine : A tertiary amine that is ethanolamine having two N-methyl substituents. | 1.99 | 1 | 0 | ethanolamines; tertiary amine | curing agent; radical scavenger |
acetic anhydride acetic anhydride: RN given refers to unlabeled cpd; structure. acetic anhydride : An acyclic carboxylic anhydride derived from acetic acid. | 2.03 | 1 | 0 | acyclic carboxylic anhydride | metabolite; reagent |
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 |
n-hexane hexane : An unbranched alkane containing six carbon atoms. | 2.1 | 1 | 0 | alkane; volatile organic compound | neurotoxin; non-polar solvent |
morpholine [no description available] | 2.67 | 3 | 0 | morpholines; saturated organic heteromonocyclic parent | NMR chemical shift reference compound |
diisopropanolamine diisopropanolamine: RN given refers to parent cpd. diisopropanolamine : A secondary amino compound that is diethanolamine substituted by methyl groups at positions 1 and 1'. It is a versatile chemical used in a variety of personal care, cosmetic and industrial products. | 2.04 | 1 | 0 | aminodiol; secondary alcohol; secondary amino compound | buffer; emulsifier; surfactant |
n-butoxyethanol n-butoxyethanol: RN given refers to parent cpd; structure. 2-butoxyethanol : A primary alcohol that is ethanol in which one of the methyl hydrogens is replaced by a butoxy group. A high-boiling (171degreeC) colourless liquid, it is used as a solvent for paints and inks, as well as in some dry cleaning solutions. | 3.12 | 1 | 0 | glycol ether; primary alcohol | protic solvent |
bis(2-chloroethoxy)methane bis(2-chloroethoxy)methane: a solvent used in polysulfide elastomer production; structure in first source | 3.12 | 1 | 0 | | |
isobutylene 2-methylprop-1-ene : An alkene that is prop-1-ene substituted by a methyl group at position 2. | 3.12 | 1 | 0 | alkene; gas molecular entity | |
dianisidine Dianisidine: Highly toxic compound which can cause skin irritation and sensitization. It is used in manufacture of azo dyes. | 3.12 | 1 | 0 | biphenyls | |
meglumine Meglumine: 1-Deoxy-1-(methylamino)-D-glucitol. A derivative of sorbitol in which the hydroxyl group in position 1 is replaced by a methylamino group. Often used in conjunction with iodinated organic compounds as contrast medium.. N-methylglucamine : A hexosamine that is D-glucitol in which the hydroxy group at position 1 is substituted by the nitrogen of a methylamino group. A crystalline base, it is used in preparing salts of certain acids for use as diagnostic radiopaque media, while its antimonate is used as an antiprotozoal in the treatment of leishmaniasis. | 1.98 | 1 | 0 | hexosamine; secondary amino compound | |
1,3-diphenyl-1-triazene 1,3-diphenyl-1-triazene: structure in first source | 3.12 | 1 | 0 | | |
zephiramine [no description available] | 1.99 | 1 | 0 | | |
sterogenol hexadecylpyridinium bromide: structure in first source. cetylpyridinium bromide : A pyridinium salt that has N-hexadecylpyridinium as the cation and bromide as the anion. | 1.99 | 1 | 0 | bromide salt; pyridinium salt | antiseptic drug; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; surfactant |
3-amino-1-propanol 3-aminopropan-1-ol : A member of the class of propanolamines that is propane with a hydroxy substituent at C-1 and an amino substituent at C-2, making it both a primary amine and a primary alcohol. | 1.99 | 1 | 0 | primary alcohol; primary amine; propanolamine | |
triethylenediamine triethylenediamine: RN given refers to parent cpd. triethylenediamine : An organic heterobicylic compound that is piperazine with an ethane-1,2-diyl group forming a bridge between N1 and N4. It is typically used as a catalyst in polymerization reactions. | 2.02 | 1 | 0 | bridged compound; diamine; saturated organic heterobicyclic parent; tertiary amino compound | antioxidant; catalyst; reagent |
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. | 2.25 | 1 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
n,n,n',n'-tetramethylbenzidine [no description available] | 1.96 | 1 | 0 | | |
betamethasone Betamethasone: A glucocorticoid given orally, parenterally, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. Its lack of mineralocorticoid properties makes betamethasone particularly suitable for treating cerebral edema and congenital adrenal hyperplasia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p724) | 2.05 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | anti-asthmatic agent; anti-inflammatory drug; immunosuppressive agent |
lithocholic acid Lithocholic Acid: A bile acid formed from chenodeoxycholate by bacterial action, usually conjugated with glycine or taurine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as cholagogue and choleretic.. lithocholic acid : A monohydroxy-5beta-cholanic acid with a alpha-hydroxy substituent at position 3. It is a bile acid obtained from chenodeoxycholic acid by bacterial action.. lithocholate : A bile acid anion that is the conjugate base of lithocholic acid. | 2.1 | 1 | 0 | bile acid; C24-steroid; monohydroxy-5beta-cholanic acid | geroprotector; human metabolite; mouse metabolite |
propadiene [no description available] | 2.05 | 1 | 0 | allenes | |
caprolactone hexano-6-lactone : A epsilon-lactone that is oxepane substituted by an oxo group at position 2. | 2.17 | 1 | 0 | epsilon-lactone | |
decamethonium dibromide [no description available] | 1.99 | 1 | 0 | | |
glycerylphosphorylcholine Glycerylphosphorylcholine: A component of PHOSPHATIDYLCHOLINES or LECITHINS, in which the two hydroxy groups of GLYCEROL are esterified with fatty acids. (From Stedman, 26th ed) | 2.41 | 2 | 0 | glycerophosphocholine | |
potassium carbonate potassium carbonate : A potassium salt that is the dipotassium salt of carbonic acid. | 2.46 | 2 | 0 | carbonate salt; potassium salt | catalyst; fertilizer; flame retardant |
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. | 2.11 | 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 |
n,n-dimethylethylamine [no description available] | 2.03 | 1 | 0 | | |
2-amino-2-methyl-1-propanol 2-amino-2-methyl-1-propanol: RN given refers to parent cpd | 2.69 | 3 | 0 | | |
3,3-dimethylbutan-1-ol 3,3-dimethylbutan-1-ol: structure | 1.99 | 1 | 0 | | |
brilliant green brilliant green: RN given refers to sulfate; structure in Merck Index, 9th ed, #1378. brilliant green : An organic hydrogensulfate salt having 4-{[4-(diethylamino)phenyl](phenyl)methylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium as the counterion. | 2.41 | 1 | 0 | organic hydrogensulfate salt | antibacterial agent; antiseptic drug; environmental contaminant; fluorochrome; histological dye; poison |
2,6-diaminotoluene 2,6-diaminotoluene: RN given refers to parent cpd. 2,6-diaminotoluene : A diamine that is toluene in which both of the hydrogens ortho- to the methyl group are replaced by amino groups. | 2.02 | 1 | 0 | diamine; primary amino compound | mutagen |
n-nitrosodiethanolamine [no description available] | 3.09 | 5 | 0 | nitroso compound | |
dodecyltrimethylammonium bromide dodecyltrimethylammonium bromide : A quarternary ammonium cation having one dodecyl and three methyl substituents around the central nitrogen. | 1.99 | 1 | 0 | bromide salt; quaternary ammonium salt | surfactant |
sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 3.37 | 1 | 1 | alkali metal hydroxide | |
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. | 7.47 | 2 | 0 | zinc molecular entity | |
direct blue 15 direct blue 15: RN given refers to tetra-Na salt. Pontamine sky blue 5B : An organic sodium salt resulting from the formal condensation of Pontamine sky blue 5B (acid form) with four equivalents of sodium hydroxide. | 3.12 | 1 | 0 | | |
9-amino-6-chloro-2-methoxyacridine [no description available] | 2.03 | 1 | 0 | | |
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. | 2.46 | 2 | 0 | carbon oxoanion | |
2-amino-1-butanol 2-amino-1-butanol: structure | 1.99 | 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. | 3.37 | 1 | 1 | cycloalkene; p-menthadiene | human metabolite |
c.i. acid red 114, disodium salt C.I. Acid Red 114: source gives many trade names; structure in first source | 3.12 | 1 | 0 | | |
1-(2-methoxy-5-nitrophenylazo)-2-hydroxy-3-(3-nitrophenylcarbamoyl)naphthalene [no description available] | 3.12 | 1 | 0 | | |
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. | 2.07 | 1 | 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. | 2.41 | 1 | 0 | elemental mercury; zinc group element atom | neurotoxin |
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. | 7.98 | 4 | 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. | 2.11 | 1 | 0 | elemental platinum; nickel group element atom; platinum group metal 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. | 2.05 | 1 | 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. | 2.08 | 1 | 0 | copper group element atom; elemental silver | Escherichia coli metabolite |
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. | 2.43 | 2 | 0 | titanium group element atom | |
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. | 2.13 | 1 | 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. | 2.05 | 1 | 0 | chromium group element atom; metal allergen | micronutrient |
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. | 2.04 | 1 | 0 | elemental vanadium; vanadium group element atom | micronutrient |
zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 7.05 | 1 | 0 | titanium group element atom | |
palladium chloride palladium chloride: RN given refers to parent cpd; structure. palladium(II) chloride : A palladium coordination entity consisting of palladium(II) bound to two chlorine atoms. | 2.03 | 1 | 0 | palladium coordination entity | catalyst |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.06 | 1 | 0 | dihydrogen | |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.05 | 1 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
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. | 2.06 | 1 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
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. | 2.03 | 1 | 0 | ammonium salt; inorganic chloride | ferroptosis inhibitor |
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. | 2.11 | 1 | 0 | titanium oxides | food colouring |
7-oxodehydroabietic acid 7-oxodehydroabietic acid: RN refers to (1R-(1alpha,4beta,10aalpha))-isomer; structure given in first source | 2.04 | 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. | 4.33 | 4 | 1 | benzenes; phenyl acetates | |
alkenes [no description available] | 3.12 | 1 | 0 | | |
cefazolin Cefazolin: A semisynthetic cephalosporin analog with broad-spectrum antibiotic action due to inhibition of bacterial cell wall synthesis. It attains high serum levels and is excreted quickly via the urine.. cefazolin : A first-generation cephalosporin compound having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and (1H-tetrazol-1-ylacetyl)amino side-groups at positions 3 and 7 respectively. | 1.99 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; tetrazoles; thiadiazoles | antibacterial drug |
n-nitrosomethyldodecylamine N-nitrosomethyldodecylamine: product of reaction of dimethyl-n-dodecylamine with nitrous acid | 1.96 | 1 | 0 | | |
dibutyltin oxide [no description available] | 2.06 | 1 | 0 | | |
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. | 2.01 | 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 |
peroxynitric acid [no description available] | 2 | 1 | 0 | nitrogen oxoacid | |
betamethasone sodium phosphate betamethasone sodium phosphate: phosphate ester of betamethasone; RN given refers to the di-Na salt (11beta,16beta)-isomer; structure in Negwer,5th ed, 4975. betamethasone sodium phosphate : An organic sodium salt that is the disodium salt of betamethasone phosphate. | 2.05 | 1 | 0 | organic sodium salt; tertiary alpha-hydroxy ketone | |
cephalosporin c cephalosporin C: RN given refers to parent cpd; structure in Merck, 9th ed, #1937. cephalosporin C : A cephalosporin antibiotic carrying a 3-acetoxymethyl substituent and a 6-oxo-N(6)-L-lysino group at position 7. | 1.99 | 1 | 0 | cephalosporin | fungal metabolite |
naphthalimides Naphthalimides: Compounds with three fused rings that appear like a naphthalene fused to piperidone or like a benz(de)isoquinoline-1,3-dione (not to be confused with BENZYLISOQUINOLINES which have a methyl separating the naphthyl from the benzyl rings). Members are CYTOTOXINS. | 2.41 | 1 | 0 | | |
serinol serinol: RN given refers to cpd without isomeric designation | 2.42 | 2 | 0 | | |
octadecyl palmitate octadecyl palmitate: found in psoriatic nail, but not in normal nails. stearyl palmitate : A palmitate ester resulting from the formal condensation of the carboxy group of palmitic acid with the hydroxy group of stearyl alcohol. | 1.96 | 1 | 0 | hexadecanoate ester; wax ester | coral metabolite; cosmetic |
epolamine [no description available] | 1.99 | 1 | 0 | pyrrolidines | |
tricine N-tris(hydroxymethyl)methylglycine : A Good's buffer substance, pKa = 8.15 at 20 degreeC. | 2.03 | 1 | 0 | tricine | |
bistris Bistris: structure given in first source | 2.04 | 1 | 0 | pentol | buffer |
4-nitrophenyl beta-d-xyloside 4-nitrophenyl beta-D-xyloside : A xyloside that is beta-D-xylopyranose in which the anomeric hydroxy hydrogen is replaced by a 4-nitrophenyl group. | 2.05 | 1 | 0 | C-nitro compound; xyloside | chromogenic compound |
homocysteine Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 2 | 1 | 0 | amino acid zwitterion; homocysteine; serine family amino acid | fundamental metabolite; mouse metabolite |
histidylglycine histidylglycine: RN given refers to all (L)-isomer. His-Gly : A dipeptide formed from L-histidine and glycine residues. | 7.03 | 1 | 0 | dipeptide | metabolite |
4-(methylthio)-3-butenyl isothiocyanate 4-(methylthio)-3-butenyl isothiocyanate: structure in first source | 2 | 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. | 2.03 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
titanium isopropoxide titanium(IV) isopropoxide : A titanium coordination entity consisting of a titanium(IV) cation with four propan-2-olate anions as counterions. | 1.99 | 1 | 0 | | |
glyceraldehyde 3-phosphate dehydrogenase (304-313) glyceraldehyde 3-phosphate dehydrogenase (304-313): from Bacillus stearothermophilus | 2.04 | 1 | 0 | | |
4-nitrophenyl-alpha-l-arabinofuranoside [no description available] | 2.05 | 1 | 0 | | |
reactive yellow 13 reactive yellow 13: ligand for affinity chromatography of alkaline phosphatase; structure given in first source | 1.96 | 1 | 0 | | |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 7.06 | 1 | 0 | | |
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. | 2.04 | 1 | 0 | | |
scutellarin scutellarin: see scutellarein for aglycone. scutellarin : The glycosyloxyflavone which is the 7-O-glucuronide of scutellarein. | 2.02 | 1 | 0 | glucosiduronic acid; glycosyloxyflavone; monosaccharide derivative; trihydroxyflavone | antineoplastic agent; proteasome inhibitor |
s-adenosylhomocysteine S-Adenosylhomocysteine: 5'-S-(3-Amino-3-carboxypropyl)-5'-thioadenosine. Formed from S-adenosylmethionine after transmethylation reactions.. S-adenosyl-L-homocysteine : An organic sulfide that is the S-adenosyl derivative of L-homocysteine. | 2.01 | 1 | 0 | adenosines; amino acid zwitterion; homocysteine derivative; homocysteines; organic sulfide | cofactor; EC 2.1.1.72 [site-specific DNA-methyltransferase (adenine-specific)] inhibitor; EC 2.1.1.79 (cyclopropane-fatty-acyl-phospholipid synthase) inhibitor; epitope; fundamental metabolite |
arabinose [no description available] | 2.05 | 1 | 0 | L-arabinose | Escherichia coli metabolite; mouse metabolite |
sodium arsenite sodium arsenite : An inoganic sodium salt with formula with formula NaAsO2. | 7.11 | 1 | 0 | arsenic molecular entity; inorganic sodium salt | antibacterial agent; antifungal agent; antineoplastic agent; carcinogenic agent; herbicide; insecticide; rodenticide |
betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.48 | 2 | 0 | cyclodextrin | |
pectins Pectins: High molecular weight polysaccharides present in the cell walls of all plants. Pectins cement cell walls together. They are used as emulsifiers and stabilizers in the food industry. They have been tried for a variety of therapeutic uses including as antidiarrheals, where they are now generally considered ineffective, and in the treatment of hypercholesterolemia.. alpha-D-galacturonic acid : The alpha-anomer of D-galacturonic acid. | 2.58 | 2 | 0 | D-galactopyranuronic acid | |
glycosides [no description available] | 2.05 | 1 | 0 | | |
thioacetamide Thioacetamide: A crystalline compound used as a laboratory reagent in place of HYDROGEN SULFIDE. It is a potent hepatocarcinogen.. thioacetamide : A thiocarboxamide consiting of acetamide having the oxygen replaced by sulfur. | 7.11 | 1 | 0 | thiocarboxamide | hepatotoxic agent |
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. | 2.25 | 1 | 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. | 3.37 | 1 | 1 | organic sodium salt | detergent; protein denaturant |
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. | 2.02 | 1 | 0 | trihydroxyflavone | antineoplastic agent; metabolite |
rosin rosin: Resin from plant. Do not confuse with the specific compound: 3-phenyl-2-propenyl-(E)-beta-D-glucopyranoside, also know as rosin. | 2.04 | 1 | 0 | | |
oxymetholone Oxymetholone: A synthetic hormone with anabolic and androgenic properties. It is used mainly in the treatment of anemias. According to the Fourth Annual Report on Carcinogens (NTP 85-002), this compound may reasonably be anticipated to be a carcinogen. (From Merck Index, 11th ed). oxymetholone : A 3-oxo-5alpha- steroid that is 4,5alpha-dihydrotestosterone which is substituted by a hydroxymethylidene group at position 2 and by a methyl group at the 17alpha position. A synthetic androgen, it was mainly used for the treatment of anaemias until being replaced by treatments with fewer side effects. | 2.02 | 1 | 0 | | |
n-oleoylethanolamine N-oleoylethanolamine: ceramidase inhibitor. oleoyl ethanolamide : An N-(long-chain-acyl)ethanolamine that is the ethanolamide of oleic acid. The monounsaturated analogue of the endocannabinoid anandamide. | 2.17 | 1 | 0 | endocannabinoid; N-(long-chain-acyl)ethanolamine; N-acylethanolamine 18:1 | EC 3.5.1.23 (ceramidase) inhibitor; geroprotector; PPARalpha agonist |
iodopyracet Iodopyracet: An ionic monomeric contrast medium that was formerly used for a variety of diagnostic procedures. (From Martindale, The Extra Pharmacopoeia, 30th ed, p706). diodone : A 4-pyridone in which the pyridone is iodo-substituted at C-3 and -5 and has a carboxymethyl substituent on nitrogen; used as a radiocontrast agent urography. | 1.97 | 1 | 0 | | |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.51 | 2 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
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. | 7.21 | 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. | 7.72 | 3 | 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). | 2.1 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine; phosphatidylcholine 28:0; tetradecanoate ester | antigen; mouse metabolite |
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. | 2.44 | 2 | 0 | cysteinium | fundamental metabolite |
abscisic acid Abscisic Acid: Abscission-accelerating plant growth substance isolated from young cotton fruit, leaves of sycamore, birch, and other plants, and from potatoes, lemons, avocados, and other fruits.. (S)-2-trans-abscisic acid : A 2-trans-abscisic acid with (S)-configuration at the chiral centre.. (+)-abscisic acid : The naturally occurring (1'S)-(+) enantiomer of abscisic acid. It is an important sesquiterpenoid plant hormone which acts as a regulator of plant responses to environmental stresses such as drought and cold. | 2.04 | 1 | 0 | 2-trans-abscisic acid | |
u 62840 U 62840: stereoisomeric benzindene prostaglandin analog; structure given in first source | 3.21 | 1 | 0 | carbotricyclic compound; carboxylic acid | antihypertensive agent; cardiovascular drug; human blood serum metabolite; platelet aggregation inhibitor; vasodilator agent; vitamin K antagonist |
s-nitrosocysteine S-nitrosocysteine: A sulfur-containing alkyl thionitrite that is a nitric oxide donor.. S-nitroso-L-cysteine : An L-cysteine derivative in which the sulfur atom carries a nitroso substituent. A cell-permeable low-molecular-weight nitrosothiol and nitric oxide donor. | 2 | 1 | 0 | L-cysteine derivative; nitrosothio compound | hematologic agent; platelet aggregation inhibitor; vasodilator agent |
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). | 1.96 | 1 | 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). | 7.08 | 1 | 0 | dodecanoate ester; lipid A; tetradecanoate ester | Escherichia coli metabolite |
s-nitrosocysteinylglycine S-nitrosocysteinylglycine: nitric oxide adduct; found in the rat brain. S-nitroso-L-cysteinylglycine : A dipeptide resulting from the formal condensation of the carboxylic acid group of S-nitroso-L-cysteine with the amino group of glycine. | 2 | 1 | 0 | dipeptide; nitroso compound; nitrosothio compound | |
nystatin a1 Nystatin: Macrolide antifungal antibiotic complex produced by Streptomyces noursei, S. aureus, and other Streptomyces species. The biologically active components of the complex are nystatin A1, A2, and A3.. nystatin : A heterogeneous mixture of polyene compounds produced by cultures of Streptomyces noursei. It mainly consists of three biologically active components designated nystatin A1, nystatin A2, and nystatin A3. It is used to treat oral and dermal fungal infections.. nystatin A1 : A polyene macrolide antibiotic; part of the nystatin complex produced by several Streptomyces species. It is an antifungal antibiotic used for the treatment of topical fungal infections caused by a broad spectrum of fungal pathogens comprising yeast-like and filamentous species. | 1.95 | 1 | 0 | nystatins | |
s-nitrosohomocysteine S-nitrosohomocysteine: in contrast to homocysteine, the nitroso cpd does not support hydrogen peroxide generation & does not lead to endothelial dysfunction | 2 | 1 | 0 | | |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.04 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.73 | 3 | 0 | glycoside | |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 3.25 | 6 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
sodium nitrite Sodium Nitrite: Nitrous acid sodium salt. Used in many industrial processes, in meat curing, coloring, and preserving, and as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines.. sodium nitrite : An inorganic sodium salt having nitrite as the counterion. Used as a food preservative and antidote to cyanide poisoning. | 2.42 | 2 | 0 | inorganic sodium salt; nitrite salt | antidote to cyanide poisoning; antihypertensive agent; antimicrobial food preservative; food antioxidant; poison |
ro13-9904 Ceftriaxone: A broad-spectrum cephalosporin antibiotic and cefotaxime derivative with a very long half-life and high penetrability to meninges, eyes and inner ears.. ceftriaxone : A third-generation cephalosporin compound having 2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetylamino and [(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl side-groups. | 1.99 | 1 | 0 | | |
s-adenosylmethionine (R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 2.41 | 2 | 0 | organic cation; sulfonium compound | coenzyme; cofactor; human metabolite; micronutrient; Mycoplasma genitalium metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
glycolipids [no description available] | 2 | 1 | 0 | | |
methylcellulose Methylcellulose: Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetics, pharmaceutics and the chemical industry. It is used therapeutically as a bulk laxative. | 2.39 | 2 | 0 | | |
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. | 1.97 | 1 | 0 | | |
nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 2.37 | 2 | 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. | 1.95 | 1 | 0 | | |
cyclic gmp Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 1.99 | 1 | 0 | 3',5'-cyclic purine nucleotide; guanyl ribonucleotide | Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
bis(3',5')-cyclic diguanylic acid [no description available] | 1.99 | 1 | 0 | cyclic purine dinucleotide; guanyl ribonucleotide | immunomodulator; signalling molecule |
trypsinogen Trypsinogen: The inactive proenzyme of trypsin secreted by the pancreas, activated in the duodenum via cleavage by enteropeptidase. (Stedman, 25th ed) | 2.04 | 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. | 2.02 | 1 | 0 | | |
phosphorus radioisotopes Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 2 | 1 | 0 | | |