Substance | Relationship Strength | Studies | Trials | Classes | Roles |
acetylcarnitine Acetylcarnitine: An acetic acid ester of CARNITINE that facilitates movement of ACETYL COA into the matrices of mammalian MITOCHONDRIA during the oxidation of FATTY ACIDS. | 2.13 | 1 | 0 | O-acylcarnitine | human 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. | 7.44 | 2 | 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. | 2.06 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.47 | 2 | 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. | 2.6 | 1 | 0 | arsenic oxoacid | Escherichia coli metabolite |
benzene [no description available] | 2.25 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
benzyl alcohol Benzyl Alcohol: A colorless liquid with a sharp burning taste and slight odor. It is used as a local anesthetic and to reduce pain associated with LIDOCAINE injection. Also, it is used in the manufacture of other benzyl compounds, as a pharmaceutic aid, and in perfumery and flavoring.. hydroxytoluene : Any member of the class of toluenes carrying one or more hydroxy substituents.. benzyl alcohol : An aromatic alcohol that consists of benzene bearing a single hydroxymethyl substituent.. aromatic alcohol : Any alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring.. aromatic primary alcohol : Any primary alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring. | 1.99 | 1 | 0 | benzyl alcohols | antioxidant; fragrance; metabolite; solvent |
carbamates [no description available] | 2.74 | 3 | 0 | amino-acid anion | |
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. | 7.03 | 1 | 0 | monocarboxylic acid | antibacterial agent; astringent; metabolite; protic solvent; solvent |
carnitine [no description available] | 3.23 | 5 | 0 | amino-acid betaine | human metabolite; mouse 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). | 3.9 | 11 | 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. | 2.05 | 1 | 0 | chlorocarboxylic acid; haloacetic acid | alkylating agent; herbicide |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 7.99 | 4 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human 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. | 3.12 | 5 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | antibacterial agent; Escherichia coli metabolite; human 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. | 2.41 | 1 | 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 | 2.6 | 1 | 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 |
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. | 2.05 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
hydroquinone [no description available] | 2.21 | 1 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
hydroxylamine amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group. | 2.04 | 1 | 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 |
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.. | 2.05 | 1 | 0 | diatomic iodine | nutrient |
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. | 3.77 | 10 | 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. | 2.15 | 1 | 0 | cyclitol; hexol | |
melatonin [no description available] | 2.41 | 1 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.94 | 3 | 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. | 2.07 | 1 | 0 | nitrogen oxoacid | protic solvent; reagent |
hydroxide ion [no description available] | 2.6 | 1 | 0 | oxygen hydride | mouse metabolite |
oxaloacetic acid Oxaloacetic Acid: A dicarboxylic acid ketone that is an important metabolic intermediate of the CITRIC ACID CYCLE. It can be converted to ASPARTIC ACID by ASPARTATE TRANSAMINASE.. oxaloacetic acid : An oxodicarboxylic acid that is succinic acid bearing a single oxo group. | 2.15 | 1 | 0 | C4-dicarboxylic acid; oxo dicarboxylic acid | geroprotector; 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. | 2.81 | 3 | 0 | alpha,omega-dicarboxylic acid | algal metabolite; human metabolite; plant 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. | 2.17 | 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 |
pentachlorophenol PENTA: structure given in first source | 7.08 | 1 | 0 | aromatic fungicide; chlorophenol; organochlorine pesticide; pentachlorobenzenes | human xenobiotic metabolite |
phenol [no description available] | 1.99 | 1 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
phthalic acid phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 3.27 | 5 | 0 | benzenedicarboxylic acid | human xenobiotic metabolite |
purine 1H-purine : The 1H-tautomer of purine.. 3H-purine : The 3H-tautomer of purine.. 9H-purine : The 9H-tautomer of purine.. 7H-purine : The 7H-tautomer of purine. | 2.25 | 1 | 0 | purine | |
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). | 2.6 | 1 | 0 | divalent inorganic anion; sulfur oxide; sulfur oxoanion | |
succinic acid Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 2.15 | 1 | 0 | alpha,omega-dicarboxylic acid; C4-dicarboxylic acid | anti-ulcer drug; fundamental metabolite; micronutrient; nutraceutical; radiation protective agent |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.11 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
trimethyloxamine trimethyloxamine: used in manufacture of quaternary ammonium cpds; insect attractant; warming agent for gas; oxidant; structure. trimethylamine N-oxide : A tertiary amine oxide resulting from the oxidation of the amino group of trimethylamine. | 2.15 | 1 | 0 | tertiary amine oxide | Escherichia coli metabolite; metabolite; osmolyte |
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. | 9.74 | 8 | 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. | 8.09 | 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 |
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. | 2.04 | 1 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
2,4,5-trichlorophenoxyacetic acid 2,4,5-Trichlorophenoxyacetic Acid: An herbicide with strong irritant properties. Use of this compound on rice fields, orchards, sugarcane, rangeland, and other noncrop sites was terminated by the EPA in 1985. (From Merck Index, 11th ed). (2,4,5-trichlorophenoxy)acetic acid : A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2, 4 and 5 are substituted by chlorines. | 6.97 | 1 | 0 | chlorophenoxyacetic acid; trichlorobenzene | defoliant; phenoxy herbicide; synthetic auxin |
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. | 7.72 | 3 | 0 | chlorophenoxyacetic acid; dichlorobenzene | agrochemical; defoliant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; environmental contaminant; phenoxy herbicide; synthetic auxin |
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. | 2.21 | 1 | 0 | dinitrophenol | allergen; antiseptic drug; bacterial xenobiotic metabolite; geroprotector; oxidative phosphorylation inhibitor |
n-methyl-3,4-methylenedioxyamphetamine N-Methyl-3,4-methylenedioxyamphetamine: An N-substituted amphetamine analog. It is a widely abused drug classified as a hallucinogen and causes marked, long-lasting changes in brain serotonergic systems. It is commonly referred to as MDMA or ecstasy.. 3,4-methylenedioxymethamphetamine : A member of the class of benzodioxoles that is 1,3-benzodioxole substituted by a 2-(methylamino)propyl group at position 5. | 2.05 | 1 | 0 | amphetamines; benzodioxoles | neurotoxin |
amitrole Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 1.98 | 1 | 0 | aromatic amine; triazoles | carotenoid biosynthesis inhibitor; EC 1.11.1.6 (catalase) inhibitor; herbicide |
3-methylcholanthrene Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 2.03 | 1 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist; carcinogenic agent |
4-nonylphenol 4-nonylphenol: structure in first source; see also record for nonylphenol. 4-nonylphenol : A member of the class of phenols that is phenol which is para-substituted with a nonyl group. | 2.1 | 1 | 0 | phenols | environmental contaminant |
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. | 2.17 | 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 |
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. | 2.91 | 4 | 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 |
atrazine [no description available] | 3.21 | 5 | 0 | chloro-1,3,5-triazine; diamino-1,3,5-triazine | environmental contaminant; herbicide; xenobiotic |
2,2-bis(4-glycidyloxyphenyl)propane 2,2-bis(4-glycidyloxyphenyl)propane: structure | 2.6 | 1 | 0 | diarylmethane | |
benzethonium Benzethonium: Bactericidal cationic quaternary ammonium surfactant used as a topical anti-infective agent. It is an ingredient in medicaments, deodorants, mouthwashes, etc., and is used to disinfect apparatus, etc., in the food processing and pharmaceutical industries, in surgery, and also as a preservative. The compound is toxic orally as a result of neuromuscular blockade. | 2.04 | 1 | 0 | alkylbenzene | |
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. | 2.77 | 3 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
butylbenzyl phthalate spatozoate: structure in first source | 2.69 | 2 | 0 | benzyl ester | |
cacodylic acid dimethylarsinic acid : The organoarsenic compound that is arsenic acid substituted on the central arsenic atom with two methyl groups. | 2.6 | 1 | 0 | organoarsenic compound | xenobiotic metabolite |
caffeine [no description available] | 2 | 1 | 0 | purine alkaloid; trimethylxanthine | adenosine A2A receptor antagonist; adenosine receptor antagonist; adjuvant; central nervous system stimulant; diuretic; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; environmental contaminant; food additive; fungal metabolite; geroprotector; human blood serum metabolite; mouse metabolite; mutagen; plant metabolite; psychotropic drug; ryanodine receptor agonist; xenobiotic |
carbazochrome carbazochrome: a hemostatic which increases capillary resistance & activates platelet factors, Note: Adona is a multimeaning tradename | 2.31 | 1 | 0 | | |
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. | 3.13 | 5 | 0 | quaternary ammonium ion | |
chlorpyrifos Chlorpyrifos: An organothiophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide.. chlorpyrifos : An organic thiophosphate that is O,O-diethyl hydrogen phosphorothioate in which the hydrogen of the hydroxy group has been replaced by a 3,5,6-trichloropyridin-2-yl group. | 2.13 | 1 | 0 | chloropyridine; organic thiophosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; insecticide; xenobiotic |
ciglitazone ciglitazone: structure given in second source; PPAR agonist used for type II diabetes. ciglitazone : An aromatic ether that consists of 1,3-thiazolidine-2,4-dione with position 5 substituted by a 4-[(1-methylcyclohexyl)methoxy]benzyl group. A selective PPARgamma agonist. | 1.98 | 1 | 0 | aromatic ether; thiazolidinone | antineoplastic agent; insulin-sensitizing drug |
ciprofibrate [no description available] | 2.39 | 2 | 0 | cyclopropanes; monocarboxylic acid; organochlorine compound | antilipemic drug |
clofibrate angiokapsul: contains clofibrate & insoitolnicotinate | 9 | 14 | 0 | aromatic ether; ethyl ester; monochlorobenzenes | anticholesteremic drug; antilipemic drug; geroprotector; PPARalpha agonist |
clofibric acid Clofibric Acid: An antilipemic agent that is the biologically active metabolite of CLOFIBRATE.. clofibric acid : A monocarboxylic acid that is isobutyric acid substituted at position 2 by a p-chlorophenoxy group. It is a metabolite of the drug clofibrate. | 8.37 | 7 | 0 | aromatic ether; monocarboxylic acid; monochlorobenzenes | anticholesteremic drug; antilipemic drug; antineoplastic agent; herbicide; marine xenobiotic metabolite; PPARalpha agonist |
amphetamine Amphetamine: A powerful central nervous system stimulant and sympathomimetic. Amphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulation of release of monamines, and inhibiting monoamine oxidase. Amphetamine is also a drug of abuse and a psychotomimetic. The l- and the d,l-forms are included here. The l-form has less central nervous system activity but stronger cardiovascular effects. The d-form is DEXTROAMPHETAMINE.. 1-phenylpropan-2-amine : A primary amine that is isopropylamine in which a hydrogen attached to one of the methyl groups has been replaced by a phenyl group.. amphetamine : A racemate comprising equimolar amounts of (R)-amphetamine (also known as levamphetamine or levoamphetamine) and (S)-amphetamine (also known as dexamfetamine or dextroamphetamine. | 2.05 | 1 | 0 | primary amine | |
dichlorodiphenyl dichloroethylene Dichlorodiphenyl Dichloroethylene: An organochlorine pesticide, it is the ethylene metabolite of DDT. | 2.52 | 2 | 0 | chlorophenylethylene; monochlorobenzenes | human xenobiotic metabolite; persistent organic pollutant |
ddt 1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 2.52 | 2 | 0 | benzenoid aromatic compound; chlorophenylethane; monochlorobenzenes; organochlorine insecticide | bridged diphenyl acaricide; carcinogenic agent; endocrine disruptor; persistent organic pollutant |
diuron Diuron: A pre-emergent herbicide.. diuron : A member of the class of 3-(3,4-substituted-phenyl)-1,1-dimethylureas that is urea in which both of the hydrogens attached to one nitrogen are substituted by methyl groups, and one of the hydrogens attached to the other nitrogen is substituted by a 3,4-dichlorophenyl group. | 2.49 | 2 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea; dichlorobenzene | environmental contaminant; mitochondrial respiratory-chain inhibitor; photosystem-II inhibitor; urea herbicide; xenobiotic |
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. | 2.21 | 1 | 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. | 3.87 | 8 | 0 | ether; volatile organic compound | inhalation anaesthetic; non-polar solvent; refrigerant |
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. | 2.25 | 1 | 0 | | |
glutaral Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5. | 2.6 | 1 | 0 | dialdehyde | cross-linking reagent; disinfectant; fixative |
ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.51 | 2 | 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 |
indole-3-carbinol indole-3-carbinol: occurs in edible cruciferous vegetables. indole-3-methanol : An indolyl alcohol carrying a hydroxymethyl group at position 3. It is a constituent of the cruciferous vegetables and had anticancer activity. | 3.17 | 1 | 0 | indolyl alcohol | antineoplastic agent; plant metabolite |
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). | 2.17 | 1 | 0 | carbohydrazide | antitubercular agent; drug allergen |
lauric acid dodecanoic acid : A straight-chain, twelve-carbon medium-chain saturated fatty acid with strong bactericidal properties; the main fatty acid in coconut oil and palm kernel oil. | 2.71 | 3 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; antibacterial agent; plant metabolite |
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. | 2.61 | 2 | 0 | guanidines | environmental contaminant; geroprotector; hypoglycemic agent; xenobiotic |
mexiletine Mexiletine: Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant properties.. mexiletine : An aromatic ether which is 2,6-dimethylphenyl ether of 2-aminopropan-1-ol. | 1.99 | 1 | 0 | aromatic ether; primary amino compound | anti-arrhythmia drug |
nifedipine Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 2.03 | 1 | 0 | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
ofloxacin Ofloxacin: A synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.. 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid : An oxazinoquinoline that is 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one substituted by methyl, carboxy, fluoro, and 4-methylpiperazin-1-yl groups at positions 3, 6, 9, and 10, respectively.. ofloxacin : A racemate comprising equimolar amounts of levofloxacin and dextrofloxacin. It is a synthetic fluoroquinolone antibacterial agent which inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication. | 2.1 | 1 | 0 | 3-oxo monocarboxylic acid; N-arylpiperazine; N-methylpiperazine; organofluorine compound; oxazinoquinoline | |
oxybenzone oxybenzone : A hydroxybenzophenone that is benzophenone which is substituted at the 2- and 4-positions of one of the benzene rings by hydroxy and methoxy groups respectively. | 2.08 | 1 | 0 | hydroxybenzophenone; monomethoxybenzene | dermatologic drug; environmental contaminant; protective agent; ultraviolet filter; xenobiotic |
phenmetrazine Phenmetrazine: A sympathomimetic drug used primarily as an appetite depressant. Its actions and mechanisms are similar to DEXTROAMPHETAMINE.. phenmetrazine : A member of the class of morpholines that is morpholine substituted with a phenyl group at position 2 and a methyl group at position 3. | 1.99 | 1 | 0 | morpholines | metabolite; sympathomimetic agent |
4-phenylbutyric acid 4-phenylbutyric acid: RN refers to the parent cpd. 4-phenylbutyric acid : A monocarboxylic acid the structure of which is that of butyric acid substituted with a phenyl group at C-4. It is a histone deacetylase inhibitor that displays anticancer activity. It inhibits cell proliferation, invasion and migration and induces apoptosis in glioma cells. It also inhibits protein isoprenylation, depletes plasma glutamine, increases production of foetal haemoglobin through transcriptional activation of the gamma-globin gene and affects hPPARgamma activation. | 2.11 | 1 | 0 | monocarboxylic acid | antineoplastic agent; apoptosis inducer; EC 3.5.1.98 (histone deacetylase) inhibitor; prodrug |
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. | 2.06 | 1 | 0 | potassium salt | expectorant; radical scavenger |
probenecid Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 2.37 | 2 | 0 | benzoic acids; sulfonamide | uricosuric drug |
propidium Propidium: Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits. | 2.06 | 1 | 0 | phenanthridines; quaternary ammonium ion | fluorochrome; intercalator |
sulfadiazine Sulfadiazine: One of the short-acting SULFONAMIDES used in combination with PYRIMETHAMINE to treat toxoplasmosis in patients with acquired immunodeficiency syndrome and in newborns with congenital infections.. sulfadiazine : A sulfonamide consisting of pyrimidine with a 4-aminobenzenesulfonamido group at the 2-position.. diazine : The parent structure of the diazines. | 7.6 | 1 | 0 | pyrimidines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; antimicrobial agent; antiprotozoal drug; coccidiostat; 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; xenobiotic |
stearic acid octadecanoic acid : A C18 straight-chain saturated fatty acid component of many animal and vegetable lipids. As well as in the diet, it is used in hardening soaps, softening plastics and in making cosmetics, candles and plastics. | 2.11 | 1 | 0 | long-chain fatty acid; saturated fatty acid; straight-chain saturated fatty acid | algal metabolite; Daphnia magna metabolite; human metabolite; plant metabolite |
sulfamethazine Sulfamethazine: A sulfanilamide anti-infective agent. It has a spectrum of antimicrobial action similar to other sulfonamides.. sulfamethazine : A sulfonamide consisting of pyrimidine with methyl substituents at the 4- and 6-positions and a 4-aminobenzenesulfonamido group at the 2-position. | 2.05 | 1 | 0 | pyrimidines; sulfonamide antibiotic; sulfonamide | antibacterial drug; antiinfective agent; antimicrobial agent; carcinogenic agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor; environmental contaminant; ligand; xenobiotic |
sulfobromophthalein Sulfobromophthalein: A phenolphthalein that is used as a diagnostic aid in hepatic function determination. | 2.04 | 1 | 0 | 2-benzofurans; organobromine compound; organosulfonic acid; phenols | dye |
triclosan [no description available] | 3.33 | 6 | 0 | aromatic ether; dichlorobenzene; monochlorobenzenes; phenols | antibacterial agent; antimalarial; drug allergen; EC 1.3.1.9 [enoyl-[acyl-carrier-protein] reductase (NADH)] inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; fungicide; persistent organic pollutant; xenobiotic |
urethane [no description available] | 2.05 | 1 | 0 | carbamate ester | fungal metabolite; mutagen |
pirinixic acid pirinixic acid: structure | 3.91 | 12 | 0 | aryl sulfide; organochlorine compound; pyrimidines | |
corticosterone [no description available] | 7.77 | 3 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
sorbitol D-glucitol : The D-enantiomer of glucitol (also known as D-sorbitol). | 7.03 | 1 | 0 | glucitol | cathartic; Escherichia coli metabolite; food humectant; human metabolite; laxative; metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite; sweetening agent |
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. | 5.36 | 12 | 1 | 2-halophenol; iodophenol; L-phenylalanine derivative; non-proteinogenic L-alpha-amino acid; thyroxine zwitterion; thyroxine | antithyroid drug; human metabolite; mouse metabolite; thyroid hormone |
estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 2.46 | 2 | 0 | 17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols | antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite |
dehydroepiandrosterone Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 3.81 | 3 | 0 | 17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid | androgen; human metabolite; mouse metabolite |
2-acetylaminofluorene 2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 1.97 | 1 | 0 | 2-acetamidofluorenes | antimitotic; carcinogenic agent; epitope; mutagen |
adrenochrome Adrenochrome: Pigment obtained by the oxidation of epinephrine. | 2.31 | 1 | 0 | indoles | |
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. | 3.09 | 4 | 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. | 1.97 | 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. | 1.97 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
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. | 2.41 | 1 | 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 |
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. | 7.6 | 1 | 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 |
sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 2.74 | 3 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
ethinyl estradiol Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.. 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. | 2.13 | 1 | 0 | 17-hydroxy steroid; 3-hydroxy steroid; terminal acetylenic compound | xenoestrogen |
9,10-dimethyl-1,2-benzanthracene 9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 2.41 | 1 | 0 | ortho-fused polycyclic arene; tetraphenes | carcinogenic agent |
methyltestosterone Methyltestosterone: A synthetic hormone used for androgen replacement therapy and as an hormonal antineoplastic agent (ANTINEOPLASTIC AGENTS, HORMONAL).. methyltestosterone : A 17beta-hydroxy steroid that is testosterone bearing a methyl group at the 17alpha position. | 2.06 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; enone | anabolic agent; androgen; antineoplastic agent |
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. | 2.06 | 1 | 0 | tetrachlorophenol | xenobiotic 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. | 2.6 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent |
carbostyril Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.07 | 1 | 0 | monohydroxyquinoline; quinolone | bacterial xenobiotic 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. | 2.03 | 1 | 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 |
androstenedione Androstenedione: A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as well as ESTRONE and ESTRADIOL.. androst-4-ene-3,17-dione : A 3-oxo Delta(4)-steroid that is androst-4-ene substituted by oxo groups at positions 3 and 17. It is a steroid hormone synthesized in the adrenal glands and gonads. | 2.17 | 1 | 0 | 17-oxo steroid; 3-oxo-Delta(4) steroid; androstanoid | androgen; Daphnia magna metabolite; human metabolite; mouse 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. | 2.04 | 1 | 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. | 2.4 | 2 | 0 | | |
1,1,1-trichloroethane Trichloroethanes: Chlorinated ethanes which are used extensively as industrial solvents. They have been utilized in numerous home-use products including spot remover preparations and inhalant decongestant sprays. These compounds cause central nervous system and cardiovascular depression and are hepatotoxic. Include 1,1,1- and 1,1,2-isomers.. 1,1,1-trichloroethane : A member of the class of chloroethanes carrying three chloro substituents at position 1. | 2.02 | 1 | 0 | chloroethanes | polar solvent |
ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 2.6 | 1 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
propane Propane: A three carbon alkane with the formula H3CCH2CH3. | 7.1 | 1 | 0 | alkane; gas molecular entity | food propellant |
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. | 2.77 | 3 | 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. | 2.1 | 1 | 0 | chloromethanes; volatile organic compound | carcinogenic agent; polar aprotic solvent; refrigerant |
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. | 2.21 | 1 | 0 | alkyl hydroperoxide | antibacterial agent; oxidising agent |
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. | 8.28 | 6 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; reagent |
hexadecafluoro-nonanoic acid hexadecafluoro-nonanoic acid: an endocrine disruptor. hexadecafluorononanoic acid : Any derivative of nonanoic acid carrying sixteen fluoro substituents. | 5.14 | 42 | 0 | hexadecafluorononanoic acid | |
phencyclidine Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 6.45 | 30 | 0 | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
propylene dichloride propylene dichloride: Russian drug; structure. 1,2-dichloropropane : A chloroalkane that is propane in which a hydrogen from each of two adjacent carbons has been replaced by chlorines. | 2.1 | 1 | 0 | chloroalkane; volatile organic compound | |
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. | 2.04 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
tetrabromobisphenol a tetrabromobisphenol A: a brominated flame retardant. 3,3',5,5'-tetrabromobisphenol A : A bromobisphenol that is 4,4'-methanediyldiphenol in which the methylene hydrogens are replaced by two methyl groups and the phenyl rings are substituted by bromo groups at positions 2, 2', 6 and 6'. It is a brominated flame retardant. | 8.23 | 5 | 0 | brominated flame retardant; bromobisphenol | |
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. | 4.79 | 28 | 0 | bisphenol | endocrine disruptor; environmental contaminant; xenobiotic; xenoestrogen |
bis(4-hydroxyphenyl)sulfone bis(4-hydroxyphenyl)sulfone: structure and RN in first source. 4,4'-sulfonyldiphenol : A sulfone that is diphenyl sulfone in which both of the para hydrogens have been replaced by hydroxy groups. | 2.13 | 1 | 0 | bisphenol; sulfone | endocrine disruptor; metabolite |
cumene hydroperoxide cumene hydroperoxide: RN given refers to parent cpd. cumene hydroperoxide : A peroxol that is cumene in which the alpha-hydrogen is replaced by a hydroperoxy group. | 2.21 | 1 | 0 | peroxol | environmental contaminant; Mycoplasma genitalium metabolite; oxidising agent |
fluorene [no description available] | 2.02 | 1 | 0 | ortho-fused polycyclic arene; ortho-fused tricyclic hydrocarbon | |
2,4,6-trichlorophenol [no description available] | 2.06 | 1 | 0 | trichlorophenol | carcinogenic agent |
dinoseb dinoseb: RN given refers to parent cpd; structure. dinoseb : A racemate composed of equimolar amounts of (R)- and (S)-dinoseb.. 2-(butan-2-yl)-4,6-dinitrophenol : A dinitrophenol that is 2,4-dinitrophenol substituted by a butan-2-yl group at position 2. | 2.21 | 1 | 0 | dinitrophenol | |
diphenyl diphenyl: RN given refers to unlabeled cpd; structure | 2.04 | 1 | 0 | aromatic fungicide; benzenes; biphenyls | antifungal agrochemical; antimicrobial food preservative |
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) | 2.82 | 3 | 0 | benzoate ester; paraben; phenols | antifungal agent; antimicrobial agent |
3,4-dimethylphenol 3,4-dimethylphenol: RN given refers to parent cpd. 3,4-xylenol : A member of the class of phenols that is phenol substituted by methyl groups at positions 3 and 4. | 1.99 | 1 | 0 | phenols | |
ethylene dimethacrylate ethylene glycol dimethacrylate : The enoate ester that is the 1,2-bis(methacryloyl) derivative of ethylene glycol. | 2.15 | 1 | 0 | enoate ester | allergen; cross-linking reagent; polymerisation monomer |
benzenesulfonic acid benzenesulfonic acid: RN given refers to parent cpd. benzenesulfonic acid : The simplest member of the class of a benzenesulfonic acids that consists of a benzene carrying a single sulfo group. | 2.05 | 1 | 0 | benzenesulfonic acids | |
methylparaben methylparaben: used as a preservative in cosmetics but potentiates UV-induced damage of skin; RN given refers to parent cpd. methylparaben : A 4-hydroxybenzoate ester resulting from the formal condensation of the carboxy group of 4-hydroxybenzoic acid with methanol. It is the most frequently used antimicrobial preservative in cosmetics. It occurs naturally in several fruits, particularly in blueberries. | 2.82 | 3 | 0 | paraben | antifungal agent; antimicrobial food preservative; neuroprotective agent; plant metabolite |
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. | 2.1 | 1 | 0 | epoxide; organochlorine compound | |
melamine melamine: RN given refers to parent cpd; structure. melamine : A trimer of cyanamide, with a 1,3,5-triazine skeleton. | 7.25 | 1 | 0 | triamino-1,3,5-triazine | xenobiotic 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. | 2.51 | 2 | 0 | pyrrole; secondary amine | |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.1 | 1 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
dodecanol Dodecanol: A saturated 12-carbon fatty alcohol obtained from coconut oil fatty acids. It has a floral odor and is used in detergents, lubricating oils, and pharmaceuticals. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). dodecanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twelve carbon atoms.. dodecan-1-ol : A primary alcohol that is dodecane in which a hydrogen from one of the methyl groups is replaced by a hydroxy group. It is registered for use in apple and pear orchards as a Lepidopteran pheromone/sex attractant, used to disrupt the mating behaviour of certain moths whose larvae destroy crops. | 2.05 | 1 | 0 | dodecanol; primary alcohol | bacterial metabolite; cosmetic; insect attractant; insecticide; pheromone; plant metabolite |
tetrafluoroethylene tetrafluoroethylene: RN given refers to parent cpd; structure | 7.49 | 2 | 0 | fluorocarbon | |
diethylhexyl phthalate Diethylhexyl Phthalate: An ester of phthalic acid. It appears as a light-colored, odorless liquid and is used as a plasticizer for many resins and elastomers.. bis(2-ethylhexyl) phthalate : A phthalate ester that is the bis(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. | 4.16 | 16 | 0 | diester; phthalate ester | androstane receptor agonist; apoptosis inhibitor; plasticiser |
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. | 2.15 | 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. | 2.41 | 1 | 0 | trinitrotoluene | explosive |
monobutyl phthalate monobutyl phthalate: RN given refers to parent cpd | 2.06 | 1 | 0 | phthalic acid monoester | |
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. | 2.25 | 1 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
dodecyl sulfate dodecyl sulfate: RN given refers to parent cpd; see also SODIUM DODECYL SULFATE | 2.01 | 1 | 0 | alkyl sulfate | |
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). | 2.47 | 2 | 0 | alkane; volatile organic compound | non-polar solvent; plant metabolite |
dibenzo(a,l)pyrene dibenzo(a,l)pyrene: structure in first source | 3.17 | 1 | 0 | ortho- and peri-fused polycyclic arene | human metabolite; mutagen |
fluoranthene fluoranthene: structure. fluoranthene : An ortho- and peri-fused polycyclic arene consisting of a naphthalene and benzene unit connected by a five-membered ring. | 2.13 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
thiazoles [no description available] | 2.77 | 3 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
perfluorooctane perfluorooctane: used in the treatment of giant retinal tears with proliferative vitreoretinopathy | 6.01 | 28 | 0 | fluoroalkane; fluorocarbon | |
perfluoroheptane [no description available] | 2.47 | 2 | 0 | fluorocarbon | |
perfluorodecanoic acid perfluorodecanoic acid : A fluoroalkanoic acid that is perfluorinated decanoic acid. | 8.47 | 100 | 1 | fluoroalkanoic acid | environmental contaminant; xenobiotic |
perfluoromethylcyclohexane [no description available] | 2.06 | 1 | 0 | | |
perfluorobutane perfluorobutane: component of the echo contrast agent, BR14, which consists of perfluorobutane gas microbubbles. perflubutane : A fluorocarbon that is butane in which all of the hydrogens have been replaced by fluorines. Microbubbles of preflubutane are used in the ultrasound contrast agent BR14. | 6.13 | 37 | 0 | fluoroalkane; fluorocarbon; gas molecular entity | ultrasound contrast agent |
perflexane perfluorohexane : A fluoroalkane that is hexane in which all of the hydrogens have been replaced by fluorines. | 8.56 | 67 | 0 | fluoroalkane; fluorocarbon; volatile organic compound | non-polar solvent; radioopaque medium |
perfluorobutyric acid perfluorobutyric acid: ion pairing reagent; RN given refers to parent cpd. perfluorobutyric acid : A monocarboxylic acid that is perfluorinated butyric acid. | 10.38 | 52 | 0 | fluoroalkanoic acid | chromatographic reagent; environmental contaminant; xenobiotic |
2,3,4,5,6-pentafluorobenzyl alcohol 2,3,4,5,6-pentafluorobenzyl alcohol : An organofluorine compound that is benzyl alcohol substituted by fluoro groups at positions 2, 3, 4, 5 and 6. | 2.02 | 1 | 0 | benzyl alcohols; organofluorine compound | |
fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.11 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference 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. | 7.17 | 1 | 0 | calcium salt; carbonate salt; inorganic calcium salt; one-carbon compound | antacid; fertilizer; food colouring; food firming agent |
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. | 2.47 | 2 | 0 | amphetamines; secondary amine | central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic |
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. | 5.56 | 14 | 1 | dialdehyde | biomarker |
eosine yellowish-(ys) Eosine Yellowish-(YS): A versatile red dye used in cosmetics, pharmaceuticals, textiles, etc., and as tissue stain, vital stain, and counterstain with HEMATOXYLIN. It is also used in special culture media.. eosin YS dye : An organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions. | 2.11 | 1 | 0 | organic sodium salt; organobromine compound | fluorochrome; histological dye |
neutral red Neutral Red: A vital dye used as an indicator and biological stain. Various adverse effects have been observed in biological systems.. neutral red : A hydrochloride obtained by combining the free base of neutral red with one equivalent of hydrochloric acid. Neutral red acts as a pH indicator, changing from red to yellow between pH 6.8 and 8.0. | 2.1 | 1 | 0 | hydrochloride | acid-base indicator; dye; two-colour indicator |
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. | 7.54 | 2 | 0 | diester; organosulfonic acid | |
methyl carbamate methyl carbamate : A carbamate ester resulting from the formal condensation of the carboxy group of carbamic acid with methanol. | 2.03 | 1 | 0 | carbamate ester | |
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.79 | 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 |
erythromycin Erythromycin: A bacteriostatic antibiotic macrolide produced by Streptomyces erythreus. Erythromycin A is considered its major active component. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins.. erythromycin : Any of several wide-spectrum macrolide antibiotics obtained from actinomycete Saccharopolyspora erythraea (formerly known as Streptomyces erythraeus).. erythromycin A : An erythromycin that consists of erythronolide A having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. | 2.1 | 1 | 0 | cyclic ketone; erythromycin | |
2,3,4,5,6-pentafluorophenol 2,3,4,5,6-pentafluorophenol: RN given refers to parent cpd; structure given in first source | 2.11 | 1 | 0 | | |
1-phenylazo-2-naphthol 1-phenylazo-2-naphthol: RN given refers to cpd without isomeric designation | 2.25 | 1 | 0 | | |
1,3-propane sultone 1,3-propane sultone: sultone is usually defined as a derivative of 1,8-naphtholsulfonic acid; structure | 7.1 | 1 | 0 | sultone | |
decabromobiphenyl ether decabromobiphenyl ether: a flame retardant. decabromodiphenyl ether : A polybromodiphenyl ether that is diphenyl ether in which all of the hydrogens have been replaced by bromines. | 2.13 | 1 | 0 | polybromodiphenyl ether | neurotoxin |
cadmium sulfide [no description available] | 2.41 | 1 | 0 | cadmium molecular entity | |
potassium hydroxide potassium hydroxide: RN given refers to cpd with MF of K-OH | 2.55 | 2 | 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) | 2.6 | 1 | 0 | alkali metal hydroxide | |
manganese dioxide [no description available] | 2.15 | 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. | 7.91 | 3 | 0 | zinc molecular entity | |
glycyrrhizic acid glycyrrhizinic acid : A triterpenoid saponin that is the glucosiduronide derivative of 3beta-hydroxy-11-oxoolean-12-en-30-oic acid. | 2.41 | 1 | 0 | enone; glucosiduronic acid; pentacyclic triterpenoid; tricarboxylic acid; triterpenoid saponin | EC 3.4.21.5 (thrombin) inhibitor; plant metabolite |
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. | 1.98 | 1 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
selenomethionine [no description available] | 2.21 | 1 | 0 | selenoamino acid; selenomethionines | plant metabolite |
methyl tert-butyl ether methyl tert-butyl ether: used to dissolve gallstones; gasoline additive. methyl tert-butyl ether : An ether having methyl and tert-butyl as the two alkyl components. | 3.12 | 1 | 0 | ether | fuel additive; metabolite; non-polar solvent |
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. | 2.11 | 1 | 0 | organic cation | geroprotector; herbicide |
tetrabutylammonium tetrabutylammonium: lipophilic probe; RN given refers to parent cpd | 2.08 | 1 | 0 | quaternary ammonium ion | |
decyltrimethylammonium decyltrimethylammonium ion : A quarternary ammonium cation having one decyl and three methyl substituents around the central nitrogen. | 2.6 | 1 | 0 | quaternary ammonium ion | |
gamma-glycidoxypropyltrimethoxysilane 3-glycidyloxypropyltrimethoxysilane: used to immobilize carbonic anhydrase into mesoporous supports; structure in first source | 2.1 | 1 | 0 | | |
sulfuryl fluoride sulfuryl fluoride: fumigant | 2.25 | 1 | 0 | sulfuryl halide | fumigant insecticide |
sudan red [no description available] | 2.25 | 1 | 0 | | |
nafenopin Nafenopin: A peroxisome proliferator that is used experimentally to promote liver tumors. It has been used as an antihyperlipoproteinemic agent.. nafenopin : A racemate comprising equimolar amounts of (R)- and (S)-nafenopin. It is a peroxisome proliferator that is used experimentally to promote liver tumors. It has been used as an hypolipidemic agent.. 2-methyl-2-[4-(1,2,3,4-tetrahydronaphthalen-1-yl)phenoxy]propanoic acid : A monocarboxylic acid that is 2-hydroxy-2-methylpropanoic acid in which ther tertiary hydroxy group has been converted into the corresponding p-(1,2,3,4-tetrahydronaphthalen-1-yl)phenyl ether. | 7.9 | 4 | 0 | aromatic ether; monocarboxylic acid | |
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. | 2.13 | 1 | 0 | carbon oxoanion | |
mono-(2-ethylhexyl)phthalate mono-(2-ethylhexyl)phthalate: RN given refers to parent cpd. mono(2-ethylhexyl) phthalate : The mono(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. | 3.01 | 4 | 0 | phthalic acid monoester | |
methylene bis(4-cyclohexylisocyanate) methylene bis(4-cyclohexylisocyanate): used in manufacture of polyurethane foam; RN given refers to cpd without isomeric designation. dicyclohexylmethane-4,4'-diisocyanate : A diisocyanate consisting of dicyclohexylmethane with two isocyanate groups at the 4- and 4'-positions. | 2.1 | 1 | 0 | diisocyanate | allergen |
tiadenol tiadenol: structure | 7.89 | 4 | 0 | aliphatic sulfide | |
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. | 2.54 | 2 | 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. | 2.49 | 2 | 0 | elemental mercury; zinc group element atom | neurotoxin |
niobium Niobium: A metal element atomic number 41, atomic weight 92.906, symbol Nb. | 7.05 | 1 | 0 | vanadium group 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. | 2.11 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal 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. | 5.63 | 22 | 0 | titanium group element atom | |
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. | 2.17 | 1 | 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. | 8.39 | 6 | 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. | 2.08 | 1 | 0 | chromium group element atom; metal allergen | micronutrient |
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. | 2.49 | 2 | 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. | 1.96 | 1 | 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. | 7.6 | 1 | 0 | actinoid atom; f-block element atom; monoatomic uranium | |
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. | 2.6 | 1 | 0 | aluminium coordination entity | Lewis acid |
camptothecin NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 2.17 | 1 | 0 | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
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. | 5.93 | 31 | 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. | 8.13 | 4 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
silver iodide silver iodide: RN given refers to silver iodide [1:1] | 2.11 | 1 | 0 | | |
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. | 2.06 | 1 | 0 | deuterated compound; water | NMR solvent |
fluorosulfonic acid perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer | 3.62 | 2 | 0 | sulfur oxoacid | NMR solvent |
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. | 2.99 | 4 | 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. | 2.08 | 1 | 0 | iron molecular entity; metal sulfate | astringent; catalyst; mordant |
aluminum sulfate aluminium sulfate (anhydrous) : An aluminium sulfate that contains no water of crystallisation. | 2.61 | 2 | 0 | aluminium sulfate | |
octyltrimethylammonium octyltrimethylammonium: RN given refers to parent cpd. octyltrimethylammonium ion : A quarternary ammonium cation having one octyl and three methyl substituents around the central nitrogen. | 2.05 | 1 | 0 | quaternary ammonium ion | |
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. | 5.19 | 14 | 0 | titanium oxides | food colouring |
tris(1,3-dichloro-2-propyl)phosphate [no description available] | 2.55 | 2 | 0 | trialkyl phosphate | |
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. | 2.52 | 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 |
fluorides [no description available] | 5.24 | 16 | 0 | halide anion; monoatomic fluorine | |
stannic oxide tin dioxide : A tin oxide compound consisting of tin(IV) covalently bound to two oxygen atoms. | 2.47 | 2 | 0 | tin oxide | |
iodine [no description available] | 2.11 | 1 | 0 | halide anion; monoatomic iodine | human metabolite |
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. | 2.76 | 3 | 0 | benzenes; phenyl acetates | |
mono-benzyl phthalate monobenzyl phthalate : A phthalic acid monoester resulting from the formal condensation of one of the carboxy groups of phthalic acid with the hydroxy group of benzyl alcohol. It is a major metabolite of the plasticiser butyl benzyl phthalate (BBP). | 7.6 | 1 | 0 | phthalic acid monoester | xenobiotic metabolite; xenoestrogen |
aluminum oxide hydroxide aluminum oxide hydroxide: RN given refers to Al2O3.xH2O | 2.07 | 1 | 0 | aluminium hydroxides; aluminium oxides | |
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. | 2.81 | 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 |
s-adenosylmethionine acylcarnitine: structure in first source. S-adenosyl-L-methioninate : A sulfonium betaine that is a conjugate base of S-adenosyl-L-methionine obtained by the deprotonation of the carboxy group. | 2.07 | 1 | 0 | sulfonium betaine | human metabolite |
pcb 118 [no description available] | 2.17 | 1 | 0 | dichlorobenzene; pentachlorobiphenyl; trichlorobenzene | |
3,4,3',4'-tetrachlorobiphenyl 3,4,3',4'-tetrachlorobiphenyl: RN given refers to parent cpd. 3,3',4,4'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which the hydrogens at position 3 and 4 on each phenyl group are replaced by chlorines. | 2.05 | 1 | 0 | dichlorobenzene; tetrachlorobiphenyl | |
2,4,5,2',4',5'-hexachlorobiphenyl [no description available] | 2.13 | 1 | 0 | hexachlorobiphenyl | |
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 | |
bezafibrate [no description available] | 1.98 | 1 | 0 | aromatic ether; monocarboxylic acid amide; monocarboxylic acid; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic |
triadimefon 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one : A member of the class of triazoles that is 1-hydroxy-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one in which the hydroxyl hydrogen is replaced by a 4-chlorophenyl group. | 7.08 | 1 | 0 | aromatic ether; hemiaminal ether; ketone; monochlorobenzenes; triazoles | |
2,3,7,8-tetrabromodibenzo-4-dioxin 2,3,7,8-tetrabromodibenzo-4-dioxin: structure given in first source. 2,3,7,8-tetrabromodibenzodioxine : An organobromine compound that is dibenzodioxine carrying four bromo substituents at positions 2, 3, 7 and 8. | 2.1 | 1 | 0 | dibenzodioxine; organobromine compound | |
chlorodiphenyl (54% chlorine) Chlorodiphenyl (54% Chlorine): A mixture of polychlorinated biphenyls that induces hepatic microsomal UDP-glucuronyl transferase activity towards thyroxine.. Aroclor 1254 : A mixture of polychlorobiphenyls of unspecified composition, containing 54% chlorine (X = Cl or H). | 2.03 | 1 | 0 | | |
colforsin Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 2.06 | 1 | 0 | acetate ester; cyclic ketone; labdane diterpenoid; organic heterotricyclic compound; tertiary alpha-hydroxy ketone; triol | adenylate cyclase agonist; anti-HIV agent; antihypertensive agent; plant metabolite; platelet aggregation inhibitor; protein kinase A agonist |
1-octanesulfonic acid 1-octanesulfonic acid: RN given refers to parent cpd | 2.42 | 2 | 0 | organosulfonic acid | local anaesthetic |
cathinone cathinone: alkaloid from khat shrub, Catha edulis; RN given refers to parent cpd without isomeric designation. cathinone : The S stereoisomer of 2-aminopropiophenone. | 2.1 | 1 | 0 | 2-aminopropiophenone; monoamine alkaloid | central nervous system stimulant; psychotropic drug |
scarlet red Scarlet Red: structure. Sudan IV : A bis(azo) compound that is 2-naphthol substituted at position 1 by a {2-methyl-4-[(2-methylphenyl)diazenyl]phenyl}diazenyl group. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections, but which may also stain some protein bound lipids in paraffin sections. | 2.25 | 1 | 0 | azobenzenes; bis(azo) compound; naphthols | carcinogenic agent; fluorochrome; histological dye |
sudan iii sudan III: structure in first source. Sudan III : A bis(azo) compound that is 2-naphthol substituted at position 1 by a 4-{[(2-methylphenyl)diazenyl]phenyl}diazenyl group. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections, but which may also stain some protein bound lipids in paraffin sections. | 2.25 | 1 | 0 | azobenzenes; bis(azo) compound; naphthols | carcinogenic agent; fluorochrome; histological dye |
perfluoropropionic acid perfluoropropionic acid: ion pairing reagent; RN given refers to parent cpd | 2.46 | 2 | 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. | 2.05 | 1 | 0 | one-carbon compound; perfluoroalkanesulfonic acid | |
sodium persulfate sodium persulfate: RN given refers to peroxydisulfuric acid, di-Na salt | 2.8 | 3 | 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. | 2.73 | 3 | 0 | D-glucopyranose | epitope; mouse metabolite |
thiazolyl blue thiazolyl blue: RN & II refers to bromide. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide : The bromide salt of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium. | 2.47 | 2 | 0 | organic bromide salt | colorimetric reagent; dye |
5-methylcytosine 5-Methylcytosine: A methylated nucleotide base found in eukaryotic DNA. In ANIMALS, the DNA METHYLATION of CYTOSINE to form 5-methylcytosine is found primarily in the palindromic sequence CpG. In PLANTS, the methylated sequence is CpNpGp, where N can be any base.. 5-methylcytosine : A pyrimidine that is a derivative of cytosine, having a methyl group at the 5-position. | 2.1 | 1 | 0 | methylcytosine; pyrimidines | human metabolite |
5-dimethylaminonaphthalene-1-sulfonamide [no description available] | 2.05 | 1 | 0 | | |
metaperiodate Periodic Acid: A strong oxidizing agent. | 2.46 | 2 | 0 | iodine oxoacid | |
fluorophosphate fluorophosphate: inhibits Phosphorylas phosphatase irreversibly; RN given refers to parent cpd | 2.17 | 1 | 0 | fluorine molecular entity; phosphoric acid derivative | |
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. | 7.52 | 2 | 0 | 1,2,3-triazole | |
perfluorohexanoic acid perfluorohexanoic acid : A monocarboxylic acid that is perfluorinated hexanoic acid. | 10.4 | 52 | 0 | fluoroalkanoic acid | environmental contaminant; xenobiotic |
perfluorododecanoic acid perfluorododecanoic acid: a synthetic perfluorinated chemical containing 12 carbons, has broad industrial applications and has been detected in sera from humans and other animals. perfluorododecanoic acid : A fluoroalkanoic acid that is dodecanoic acid in which all of the hydrogens attached to carbon atoms are replaced by fluorines. It is a highly persistent, bioaccumulative breakdown product of stain- and grease-proof coatings on food packaging, soft furnishings and carpets. | 4.16 | 15 | 0 | fluoroalkanoic acid | environmental contaminant |
perfluorohexanesulfonic acid perfluorohexanesulfonic acid : A perfluoroalkanesulfonic acid that is hexane-1-sulfonic acid in which all thirteen of the hydrogens that are attached to carbons have been replaced by fluorines. | 10 | 109 | 1 | perfluoroalkanesulfonic acid | |
perfluorobutane sulfonate perfluorobutanesulfonic acid: a surfactant; structure in first source. perfluorobutanesulfonic acid : A perfluoroalkanesulfonic acid that is butane-1-sulfonic acid in which all of the hydrogens of the butyl group have been replaced by fluorines. | 4.5 | 19 | 0 | perfluoroalkanesulfonic acid | surfactant |
perfluoro-n-heptanoic acid perfluoroheptanoic acid : A fluoroalkanoic acid that is perfluorinated heptanoic acid. | 3.44 | 7 | 0 | fluoroalkanoic acid | environmental contaminant; xenobiotic |
perfluoro-n-nonanoic acid perfluorononanoic acid : A fluoroalkanoic acid that is nonanoic acid in which all of the hydrogens in the alkyl chain are replaced by fluorines. | 8.6 | 62 | 0 | fluoroalkanoic acid | persistent organic pollutant; surfactant; xenobiotic |
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. | 2.25 | 1 | 0 | anthocyanidin chloride | |
perfluorooctanesulfonamide perfluorooctanesulfonamide : A perfluorinated compound that is perfluorooctane in which one of the terminal fluorines has been replace by a sulfamoyl group. | 4.67 | 26 | 0 | perfluorinated compound; sulfonamide | persistent organic pollutant |
trichlorosucrose trichlorosucrose: sweetness intensity roughly 600 times that of sucrose and is nonnutritive and noncaloric; largely unabsorbed in the gastrointestinal tract. sucralose : A disaccharide derivative consisting of 4-chloro-4-deoxy-alpha-D-galactopyranose and 1,6-dichloro-1,6-dideoxy-beta-D-fructofuranose units linked by a glycosidic bond. | 2.1 | 1 | 0 | disaccharide derivative; organochlorine compound | environmental contaminant; sweetening agent; xenobiotic |
bes 2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid : A Good's buffer substance, pKa = 7.15 at 20 degreeC. | 2.6 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate; amino sulfonic acid; BES | |
perfluorooctane sulfonic acid perfluorooctane-1-sulfonic acid : A perfluoroalkanesulfonic acid that is octane-1-sulfonic acid in which all seventeen of the hydrogens that are attached to carbons hvae been replaced by fluorines. | 16.83 | 957 | 2 | perfluoroalkanesulfonic acid | antilipemic drug; persistent organic pollutant |
1-hydroxybenzotriazole 1-hydroxybenzotriazole: RN given refers to parent cpd | 2.15 | 1 | 0 | benzotriazoles | |
perfluoropentanoic acid perfluoropentanoic acid: an ion-pairing agent. perfluoropentanoic acid : A monocarboxylic acid that is perfluorinated pentanoic acid. | 2.43 | 2 | 0 | fluoroalkanoic acid | environmental contaminant; xenobiotic |
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 | | |
perfluoroundecanoic acid perfluoroundecanoic acid : A fluoroalkanoic acid that is perfluorinated undecanoic acid. | 4.72 | 25 | 0 | fluoroalkanoic acid | environmental contaminant; xenobiotic |
sulfluramid sulfluramid: delayed-action insecticide against the cockroach Dyctyoptera; Blattelidae germanica. sulfluramid : A sulfonamide obtained by the formal condensation of perfluorooctane-1-sulfonic acid with ethylamine. | 2.75 | 3 | 0 | sulfonamide | acaricide; environmental contaminant; insecticide; xenobiotic |
rosiglitazone [no description available] | 2.85 | 3 | 0 | aminopyridine; thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; insulin-sensitizing drug |
3-(trimethoxysilyl)propylamine 3-(trimethoxysilyl)propylamine: reagent for making polymers; structure in first source | 2.05 | 1 | 0 | | |
coenzyme a [no description available] | 2.38 | 2 | 0 | adenosine 3',5'-bisphosphate | coenzyme; Escherichia coli metabolite; mouse metabolite |
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. | 2.48 | 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. | 2.06 | 1 | 0 | iditol | fungal metabolite |
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. | 7.07 | 1 | 0 | amino acid zwitterion; homocysteine; serine family amino acid | fundamental metabolite; mouse metabolite |
irgarol 1051 irgarol 1051: a booster biocide; structure given in first source. irgarol 1051 : A diamino-1,3,5-triazine that is 1,3,5-triazine-2,4-diamine carrying a N-tert-butyl, N'-cyclopropyl and a methylsulfanyl group at position 6. | 2.07 | 1 | 0 | aryl sulfide; cyclopropanes; diamino-1,3,5-triazine | antifouling biocide; environmental contaminant; xenobiotic |
2,2',4,4'-tetrabromodiphenyl ether [no description available] | 2.8 | 3 | 0 | aromatic ether; organobromine compound | |
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. | 2.45 | 2 | 0 | cobalt group element atom; metal allergen | micronutrient |
chlorates Chlorates: Inorganic salts of chloric acid that contain the ClO3- ion. | 2.5 | 2 | 0 | chlorine oxoanion; monovalent inorganic anion | |
diacetyldichlorofluorescein diacetyldichlorofluorescein: stable storage form of dichlorofluorescein | 2.21 | 1 | 0 | | |
paxilline paxilline: structure given in first source; RN given refers to (2R-(2alpha,4bbeta,6aalpha,12bbeta,12calpha,14abeta))-isomer. paxilline : An indole diterpene alkaloid with formula C27H33NO4 isolated from Penicillium paxilli. It is a potent inhibitor of large conductance Ca2(+)- and voltage-activated K(+) (BK)-type channels. | 2.15 | 1 | 0 | diterpene alkaloid; enone; organic heterohexacyclic compound; terpenoid indole alkaloid; tertiary alcohol | anticonvulsant; Aspergillus metabolite; EC 3.6.3.8 (Ca(2+)-transporting ATPase) inhibitor; genotoxin; geroprotector; mycotoxin; Penicillium metabolite; potassium channel blocker |
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). | 2.1 | 1 | 0 | | |
propionylcarnitine propionylcarnitine: RN given refers to cpd without isomeric designation | 2.13 | 1 | 0 | O-acylcarnitine | analgesic; antirheumatic drug; cardiotonic drug; human metabolite; peripheral nervous system drug |
dimyristoylphosphatidylglycerol [no description available] | 2.02 | 1 | 0 | | |
valerates Valerates: Derivatives of valeric acid, including its salts and esters. | 2.05 | 1 | 0 | short-chain fatty acid anion; straight-chain saturated fatty acid anion | plant metabolite |
dodecyl-beta-d-maltoside dodecyl beta-D-maltoside : A glycoside resulting from attachment of a dodecyl group to the reducing-end anomeric centre of a beta-maltose molecule. | 2.02 | 1 | 0 | disaccharide derivative; glycoside | detergent |
gastrodin gastrodin: the glucoside of 4-hydroxybenzyl alcohol (gastrodigenin); isolated from Gastrodia elata Blume; | 7.31 | 1 | 0 | glycoside | |
1-(9-fluorenyl)ethyl chloroformate 1-(9-fluorenyl)ethyl chloroformate: chiral reagent; structure given in first source | 2.13 | 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. | 19.07 | 1,988 | 4 | fatty acid anion 8:0; straight-chain saturated fatty acid anion | human metabolite; Saccharomyces cerevisiae metabolite |
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). | 2.02 | 1 | 0 | carbene; methanediyl | |
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. | 3.12 | 1 | 0 | chlorine oxoanion; monovalent inorganic anion | |
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. | 2.47 | 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 |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 3.63 | 8 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
gallium oxide gallium oxide: RN given refers to unlabeled cpd | 2.07 | 1 | 0 | | |
lauroyl-coenzyme a lauroyl-CoA : A medium-chain fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of lauric (dodecanoic) acid. | 1.98 | 1 | 0 | medium-chain fatty acyl-CoA | Escherichia coli metabolite; mouse metabolite |
metaperiodate metaperiodate: RN given refers to periodic acid, Na salt; structure. periodate : A monovalent inorganic anion obtained by deprotonation of periodic acid. | 2.06 | 1 | 0 | iodine oxoanion; monovalent inorganic anion | |
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. | 2.49 | 2 | 0 | | |
clofibric acid-coenzyme a clofibric acid-coenzyme A: rat liver microsomal thioester metabolite | 1.98 | 1 | 0 | | |
aflatoxin b1 Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11. | 3.85 | 3 | 0 | aflatoxin; aromatic ether; aromatic ketone | carcinogenic agent; human metabolite |
tcp (antiseptic) TCP (antiseptic): contains solution of 0.4% chlorine, 0.11% iodine, 0.63% phenol & 0.045% of salicylic acid in water | 2.05 | 1 | 0 | | |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 3.17 | 1 | 0 | | |
permanganate [no description available] | 7.17 | 1 | 0 | manganese oxoacid | |
glycogen glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues. | 2.8 | 3 | 0 | | |
betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 3.2 | 5 | 0 | cyclodextrin | |
tretinoin Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).. retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).. all-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry. | 2.42 | 2 | 0 | retinoic acid; vitamin A | anti-inflammatory agent; antineoplastic agent; antioxidant; AP-1 antagonist; human metabolite; keratolytic drug; retinoic acid receptor agonist; retinoid X receptor agonist; signalling molecule |
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. | 1.98 | 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 |
3-hydroxy-3-methylglutaryl-coenzyme a 3-hydroxy-3-methylglutaryl-coenzyme A: RN given refers to cpd without isomeric designation. 3-hydroxy-3-methylglutaryl-CoA : An alpha,omega dicarboxyacyl-CoA that results from the formal condensation of the thiol group of coenzyme A with one of the carboxy groups of 3-hydroxy-3-methylglutaric acid.. (3S)-3-hydroxy-3-methylglutaryl-CoA : A 3-hydroxy-3-methylglutaryl-CoA where the 3-hydroxy-3-methylglutaryl component has (S)-configuration. | 2.21 | 1 | 0 | 3-hydroxy-3-methylglutaryl-CoA; 3-hydroxy fatty acyl-CoA | human metabolite; mouse metabolite |
resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.6 | 1 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
retinol Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 2.39 | 2 | 0 | retinol; vitamin A | human metabolite; mouse metabolite; plant metabolite |
cyanoginosin lr cyanoginosin LR: cyclic heptapeptide from cyanobacterium Microcystis aeruginosa. microcystin-LR : A microcystin consisting of D-alanyl, L-leucyl, (3S)-3-methyl-D-beta-aspartyl,L-arginyl, 2S,3S,4E,6E,8S,9S)-3-amino-4,5,6,7-tetradehydro-9-methoxy-2,6,8-trimethyl-10-phenyldecanoyl, D-gamma-glutamyl, and 2,3-didehydro-N-methylalanyl residues joined into a 25-membered macrocycle. Produced by the cyanobacterium Microcystis aeruginosa, it is the most studied of the microcystins. | 2.6 | 1 | 0 | microcystin | bacterial metabolite; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; environmental contaminant; xenobiotic |
palmitoleic acid hexadecenoate : A long-chain unsaturated fatty acid anion that is the conjugate base of hexadecenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. | 2.06 | 1 | 0 | hexadec-9-enoic acid | algal metabolite; Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; Escherichia coli metabolite; human blood serum metabolite |
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. | 2.06 | 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 |
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. | 2.6 | 1 | 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 |
eicosapentaenoic acid icosapentaenoic acid : Any straight-chain, C20 polyunsaturated fatty acid having five C=C double bonds.. all-cis-5,8,11,14,17-icosapentaenoic acid : An icosapentaenoic acid having five cis-double bonds at positions 5, 8, 11, 14 and 17. | 2.58 | 2 | 0 | icosapentaenoic acid; omega-3 fatty acid | anticholesteremic drug; antidepressant; antineoplastic agent; Daphnia galeata metabolite; fungal metabolite; micronutrient; mouse metabolite; nutraceutical |
zithromax Azithromycin: A semi-synthetic macrolide antibiotic structurally related to ERYTHROMYCIN. It has been used in the treatment of Mycobacterium avium intracellulare infections, toxoplasmosis, and cryptosporidiosis.. azithromycin : A macrolide antibiotic useful for the treatment of bacterial infections. | 2.17 | 1 | 0 | macrolide antibiotic | antibacterial drug; environmental contaminant; 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. | 2.08 | 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 |
sodium chlorate sodium chlorate : An inorganic sodium salt that has chlorate as the counter-ion. An oxidising agent, it is used for bleaching paper and as a herbicide. It is also used in the manufacture of dyes, explosives and matches. | 2.07 | 1 | 0 | chlorate salt; inorganic sodium salt | herbicide |
ammonium acetate ammonium acetate : An ammonium salt obtained by reaction of ammonia with acetic acid. A deliquescent white crystalline solid, it has a relatively low melting point (114degreeC) for a salt. Used as a food acidity regulator, although no longer approved for this purpose in the EU. | 2.02 | 1 | 0 | acetate salt; ammonium salt | buffer; food acidity regulator |
bromochloroacetic acid Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process. | 1.93 | 1 | 0 | 2-bromocarboxylic acid; monocarboxylic acid; organochlorine compound | |
palmitoyl coenzyme a Palmitoyl Coenzyme A: A fatty acid coenzyme derivative which plays a key role in fatty acid oxidation and biosynthesis.. palmitoyl-CoA : A long-chain fatty acyl-CoA resulting from the formal condensation of the carboxy group of hexadecanoic acid with the thiol group of coenzyme A. | 3.08 | 5 | 0 | 11,12-saturated fatty acyl-CoA; 3-substituted propionyl-CoA; long-chain fatty acyl-CoA; palmitoyl bioconjugate | Escherichia coli metabolite; mouse metabolite |
dansylproline dansylproline: RN given refers to L-proline isomer | 2.05 | 1 | 0 | | |
cotinine Cotinine: The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to tobacco SMOKING. It has CNS stimulating properties.. (-)-cotinine : An N-alkylpyrrolidine that consists of N-methylpyrrolidinone bearing a pyridin-3-yl substituent at position C-5 (the 5S-enantiomer). It is an alkaloid commonly found in Nicotiana tabacum. | 4.43 | 4 | 1 | N-alkylpyrrolidine; pyridines; pyrrolidin-2-ones; pyrrolidine alkaloid | antidepressant; biomarker; human xenobiotic metabolite; plant 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. | 2.63 | 2 | 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 |
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. | 7.31 | 1 | 0 | cinnamate ester; tannin | food component; plant metabolite |
3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2h-tetrazolium 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium: structure given in first source | 2.08 | 1 | 0 | | |
zeranol Zeranol: A non-steroidal estrogen analog. | 7.41 | 1 | 0 | macrolide | |
estrone sulfate estrone sulfate: sulfoconjugated estrone; RN given refers to parent cpd | 2.05 | 1 | 0 | 17-oxo steroid; steroid sulfate | human metabolite; mouse metabolite |
u 0126 U 0126: protein kinase kinase inhibitor; structure in first source | 2.55 | 2 | 0 | aryl sulfide; dinitrile; enamine; substituted aniline | antineoplastic agent; antioxidant; apoptosis inducer; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; osteogenesis regulator; vasoconstrictor 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. | 2.91 | 3 | 0 | | |
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. | 7.15 | 1 | 0 | nitrogen oxide | |
cystine [no description available] | 2.05 | 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. | 2.21 | 1 | 0 | | |
ovalbumin Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 7.03 | 1 | 0 | | |
gw 7647 GW 7647: a PPAR-alpha agonist; structure in first source. GW 7647 : A monocarboxylic acid that is 2-(phenylsulfanyl)isobutyric acid in which the phenyl group is substituted at the para- position by a 3-aza-7-cyclohexylhept-1-yl group in which the nitrogen is acylated by a (cyclohexylamino)carbonyl group. | 2.49 | 2 | 0 | aryl sulfide; monocarboxylic acid; ureas | PPARalpha agonist |
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. | 3.84 | 11 | 0 | organic sodium salt | detergent; protein denaturant |
mtt formazan MTT formazan: a blue MEM-insoluble mitochondrial byproduct; used to determine viability of cells with active mitochondrial dehydrogenase enzymes | 2.04 | 1 | 0 | | |
alpha-chymotrypsin Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 2.31 | 1 | 0 | | |
myelin basic protein Myelin Basic Protein: An abundant cytosolic protein that plays a critical role in the structure of multilamellar myelin. Myelin basic protein binds to the cytosolic sides of myelin cell membranes and causes a tight adhesion between opposing cell membranes. | 2.07 | 1 | 0 | | |
quercetin [no description available] | 7.61 | 2 | 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] | 2.43 | 2 | 0 | biladienes; dicarboxylic acid | antioxidant; human metabolite; mouse 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. | 2.13 | 1 | 0 | octadecadienoic acid; omega-6 fatty acid | algal metabolite; Daphnia galeata metabolite; plant metabolite |
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. | 2.6 | 1 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
8,11,14-eicosatrienoic acid 8,11,14-Eicosatrienoic Acid: A 20-carbon-chain fatty acid, unsaturated at positions 8, 11, and 14. It differs from arachidonic acid, 5,8,11,14-eicosatetraenoic acid, only at position 5.. all-cis-icosa-8,11,14-trienoic acid : An icosatrienoic acid having three cis double bonds at positions 8, 11 and 14. | 2.06 | 1 | 0 | fatty acid 20:3; long-chain fatty acid | fungal metabolite; human metabolite; nutraceutical |
rutin Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 3.22 | 3 | 0 | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
alpha-linolenic acid linolenic acid : A two-membered subclass of octadecatrienoic acid comprising the (9Z,12Z,15Z)- and (6Z,9Z,12Z)-isomers. Linolenic acids are nutrients essential to the formation of prostaglandins and are also used in making paints and synthetic resins.. linolenate : A polyunsaturated fatty acid anion obtained by deprotonation of the carboxy group of either alpha- or gamma-linolenic acid. | 2.91 | 1 | 0 | linolenic acid; omega-3 fatty acid | micronutrient; mouse metabolite; nutraceutical |
20-hydroxy-5,8,11,14-eicosatetraenoic acid 20-hydroxy-5,8,11,14-eicosatetraenoic acid: stimulator of renal sodium, potassium atpase; RN given is for the (all-Z) isomer. 20-HETE : A HETE that consists of arachidonic acid bearing a hydroxy substituent at position 20. | 1.98 | 1 | 0 | HETE; hydroxy monocarboxylic acid | human metabolite; mouse metabolite |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 3.38 | 6 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
bay 11-7085 BAY11-7085 : A sulfone that is benzene substituted by [(E)-2-cyanoethenyl]sulfonyl and tert-butyl groups at position 1 and 4, respectively. It is an irreversible inhibitor of IkappaB-alpha phosphorylation in cells (IC50 = 10 muM) and prevents the activation of NF-kappaB. | 2.21 | 1 | 0 | benzenes; nitrile; sulfone | anti-inflammatory agent; antibacterial agent; antineoplastic agent; apoptosis inducer; autophagy inducer; EC 2.7.11.10 (IkappaB kinase) inhibitor; ferroptosis inducer; NF-kappaB inhibitor |
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. | 2.47 | 2 | 0 | metalloid atom; pnictogen | |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 8.14 | 4 | 0 | boron group element atom; elemental aluminium; metal atom | |
bismuth Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209. | 2.8 | 3 | 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). | 2.25 | 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) | 9.4 | 5 | 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. | 7.81 | 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. | 2.07 | 1 | 0 | boron group element atom | |
monocrotophos Monocrotophos: An organophosphate insecticide that inhibits monoamine oxidase and acetylcholinesterase. It has been shown to be genotoxic.. monocrotophos : An alkenyl phosphate that is the 4-(methylamino)-4-oxobut-2-en-2-yl ester of dimethyl phosphate. | 7.31 | 1 | 0 | alkenyl phosphate; dialkyl phosphate; monocarboxylic acid amide; organophosphate insecticide | acaricide; agrochemical; avicide; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
diphenylhexatriene Diphenylhexatriene: A fluorescent compound that emits light only in specific configurations in certain lipid media. It is used as a tool in the study of membrane lipids. | 2.03 | 1 | 0 | alkatriene | fluorochrome |
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). | 2.46 | 2 | 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. | 2.66 | 2 | 0 | cysteinium | fundamental metabolite |
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. | 2.78 | 3 | 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. | 2.82 | 3 | 0 | boron group element atom; metalloid atom; nonmetal atom | micronutrient |
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. | 2.41 | 1 | 0 | 2-trans-abscisic acid | |
selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 6.98 | 1 | 0 | chalcogen; nonmetal atom | micronutrient |
bismuth oxychloride bismuth oxychloride: active against rotaviruses and enteric viruses | 2.21 | 1 | 0 | | |
formazans Formazans: Colored azo compounds formed by the reduction of tetrazolium salts. Employing this reaction, oxidoreductase activity can be determined quantitatively in tissue sections by allowing the enzymes to act on their specific substrates in the presence of tetrazolium salts. | 2.04 | 1 | 0 | | |
gc 1 compound GC 1 compound: structure in first source | 2.25 | 1 | 0 | diarylmethane | |
zeolites [no description available] | 2.52 | 2 | 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. | 8.38 | 6 | 0 | | |
losartan potassium Erythropoietin: Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation. | 2.05 | 1 | 0 | | |
pituitrin Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 2.25 | 1 | 0 | | |
cytochrome c-t Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.99 | 4 | 0 | | |
cholecystokinin Cholecystokinin: A peptide, of about 33 amino acids, secreted by the upper INTESTINAL MUCOSA and also found in the central nervous system. It causes gallbladder contraction, release of pancreatic exocrine (or digestive) enzymes, and affects other gastrointestinal functions. Cholecystokinin may be the mediator of satiety. | 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. | 2.13 | 1 | 0 | | |
oligonucleotides [no description available] | 2.06 | 1 | 0 | | |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.02 | 1 | 0 | glycoside | |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 3.11 | 5 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
vx-770 ivacaftor: a CFTR potentiator; structure in first source. ivacaftor : An aromatic amide obtained by formal condensation of the carboxy group of 4-oxo-1,4-dihydroquinoline-3-carboxylic acid with the amino group of 5-amino-2,4-di-tert-butylphenol. Used for the treatment of cystic fibrosis. | 2.07 | 1 | 0 | aromatic amide; monocarboxylic acid amide; phenols; quinolone | CFTR potentiator; orphan drug |
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. | 3.06 | 4 | 0 | chlorophyll; methyl ester | cofactor |
jsh 23 4-methyl-N1-(3-phenylpropyl)benzene-1,2-diamine: structure in first source. JSH-23 : A diamine that is 1,2-phenylenediamine carrying a methyl substituent at position 4 and a 3-phenylpropyl substituent at position N1. | 2.17 | 1 | 0 | diamine; substituted aniline | NF-kappaB inhibitor |
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. | 1.98 | 1 | 0 | | |
n-methylcarbamate N-methylcarbamate: RN given refers to parent cpd | 2.06 | 1 | 0 | amino-acid anion | |
chitosan [no description available] | 7.87 | 3 | 0 | | |
sodium iodate sodium iodate: RN given refers to iodic acid, Na salt | 2.05 | 1 | 0 | organic molecular entity | |
merocyanine dye merocyanine dye: fluorescent dye used for studying axons 2 position on pyrimidine ring may be S or O; RN given refers to Na salt; structure | 1.97 | 1 | 0 | | |
peptones Peptones: Derived proteins or mixtures of cleavage products produced by the partial hydrolysis of a native protein either by an acid or by an enzyme. Peptones are readily soluble in water, and are not precipitable by heat, by alkalis, or by saturation with ammonium sulfate. (Dorland, 28th ed) | 2.13 | 1 | 0 | | |
cytochromes c1 Cytochromes c1: The 30-kDa membrane-bound c-type cytochrome protein of mitochondria that functions as an electron donor to CYTOCHROME C GROUP in the mitochondrial and bacterial RESPIRATORY CHAIN. (From Enzyme Nomenclature, 1992, p545) | 1.99 | 1 | 0 | | |
interleukin-8 Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 2.07 | 1 | 0 | | |
mephedrone mephedrone: a beta-keto (bk) designer drug; Central Nervous System Stimulants. mephedrone : An aromatic ketone that is propiophenone substituted at C-4 and at C-beta with methyl and methylamino groups respectively. It is a synthetic stimulant and entactogen drug of the amphetamine and cathinone classes. | 2.1 | 1 | 0 | amphetamines; aromatic ketone; secondary amino compound | environmental contaminant; xenobiotic |
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. | 2.6 | 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. | 4.35 | 3 | 1 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
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. | 2.05 | 1 | 0 | monohydroxybenzoate | plant metabolite |
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. | 2.1 | 1 | 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. | 3.58 | 7 | 0 | | |
kiss1 protein, human Kisspeptins: Intercellular signaling peptides that were originally characterized by their ability to suppress NEOPLASM METASTASIS. Kisspeptins have since been found to play an important role in the neuroendocrine regulation of REPRODUCTION. | 2.63 | 2 | 0 | | |
cyclosporine Cyclosporine: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). | 2 | 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. | 2.73 | 3 | 0 | | |
deoxyguanosine [no description available] | 9.54 | 5 | 1 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine diphosphate Guanosine Diphosphate: A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. | 2.13 | 1 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
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. | 2.41 | 1 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
pheophytin a pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S*,11S*),4beta,21beta))-isomer | 2.96 | 3 | 0 | | |
methylnitronitrosoguanidine Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 2.07 | 1 | 0 | nitroso compound | alkylating agent |
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. | 4.54 | 5 | 1 | guanosines | biomarker |
cholestyramine resin Cholestyramine Resin: A strongly basic anion exchange resin whose main constituent is polystyrene trimethylbenzylammonium Cl(-) anion. | 1.96 | 1 | 0 | | |
concanavalin a Concanavalin A: A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures. | 2.08 | 1 | 0 | | |
leptin Leptin: A 16-kDa peptide hormone secreted from WHITE ADIPOCYTES. Leptin serves as a feedback signal from fat cells to the CENTRAL NERVOUS SYSTEM in regulation of food intake, energy balance, and fat storage. | 8.41 | 2 | 0 | | |
pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 1.97 | 1 | 0 | | |
phenanthrenes Phenanthrenes: POLYCYCLIC AROMATIC HYDROCARBONS composed of three fused BENZENE rings.. phenanthrenes : Any benzenoid aromatic compound that consists of a phenanthrene skeleton and its substituted derivatives thereof. | 2.15 | 1 | 0 | | |