Substance | Relationship Strength | Studies | Trials | Classes | Roles |
dinitrochlorobenzene Dinitrochlorobenzene: A skin irritant that may cause dermatitis of both primary and allergic types. Contact sensitization with DNCB has been used as a measure of cellular immunity. DNCB is also used as a reagent for the detection and determination of pyridine compounds.. 1-chloro-2,4-dinitrobenzene : A C-nitro compound that is chlorobenzene carrying a nitro substituent at each of the 2- and 4-positions. | 1.97 | 1 | 0 | C-nitro compound; monochlorobenzenes | allergen; epitope; sensitiser |
gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.85 | 3 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
ethylene glycol Ethylene Glycol: A colorless, odorless, viscous dihydroxy alcohol. It has a sweet taste, but is poisonous if ingested. Ethylene glycol is the most important glycol commercially available and is manufactured on a large scale in the United States. It is used as an antifreeze and coolant, in hydraulic fluids, and in the manufacture of low-freezing dynamites and resins.. ethanediol : Any diol that is ethane or substituted ethane carrying two hydroxy groups.. ethylene glycol : A 1,2-glycol compound produced via reaction of ethylene oxide with water. | 2.03 | 1 | 0 | ethanediol; glycol | metabolite; mouse metabolite; solvent; toxin |
adenine [no description available] | 1.94 | 1 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.84 | 3 | 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 |
quinacrine Quinacrine: An acridine derivative formerly widely used as an antimalarial but superseded by chloroquine in recent years. It has also been used as an anthelmintic and in the treatment of giardiasis and malignant effusions. It is used in cell biological experiments as an inhibitor of phospholipase A2.. quinacrine : A member of the class of acridines that is acridine substituted by a chloro group at position 6, a methoxy group at position 2 and a [5-(diethylamino)pentan-2-yl]nitrilo group at position 9. | 1.95 | 1 | 0 | acridines; aromatic ether; organochlorine compound; tertiary amino compound | antimalarial; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor |
benzene [no description available] | 1.95 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
bromide Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) | 3.05 | 1 | 0 | halide anion; monoatomic bromine | |
carbamates [no description available] | 5.81 | 30 | 0 | amino-acid anion | |
carbon monoxide Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 2.03 | 1 | 0 | carbon oxide; gas molecular entity; one-carbon compound | biomarker; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; human metabolite; ligand; metabolite; mitochondrial respiratory-chain inhibitor; mouse metabolite; neurotoxin; neurotransmitter; P450 inhibitor; probe; signalling molecule; vasodilator agent |
choline [no description available] | 3.06 | 5 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.89 | 4 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
hydrochloric acid Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 2.31 | 1 | 0 | chlorine molecular entity; gas molecular entity; hydrogen halide; mononuclear parent hydride | mouse metabolite |
hydrogen sulfide Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 2.03 | 1 | 0 | gas molecular entity; hydracid; mononuclear parent hydride; sulfur hydride | Escherichia coli metabolite; genotoxin; metabolite; signalling molecule; toxin; vasodilator agent |
3,4-dihydroxyphenylacetic acid 3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 1.97 | 1 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
cytosine [no description available] | 1.96 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
lactic acid Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 1.96 | 1 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
diacetyl butane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. | 2.38 | 2 | 0 | alpha-diketone | Escherichia coli metabolite; Saccharomyces cerevisiae metabolite |
dimethylamine [no description available] | 2.08 | 1 | 0 | methylamines; secondary aliphatic amine | metabolite |
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.41 | 2 | 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 | 2.05 | 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 |
glycine [no description available] | 2.9 | 4 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
hydrogen cyanide Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.. hydrogen cyanide : A one-carbon compound consisting of a methine group triple bonded to a nitrogen atom | 3.05 | 1 | 0 | hydracid; one-carbon compound | Escherichia coli metabolite; human metabolite; poison |
hydrogen carbonate Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 1.96 | 1 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
hydroquinone [no description available] | 2.1 | 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. | 2.5 | 2 | 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 |
thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 2.1 | 1 | 0 | dithiolanes; heterocyclic fatty acid; thia fatty acid | fundamental metabolite; geroprotector |
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. | 2.04 | 1 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
naphthalene [no description available] | 2.7 | 3 | 0 | naphthalenes; ortho-fused bicyclic arene | apoptosis inhibitor; carcinogenic agent; environmental contaminant; mouse metabolite; plant metabolite; volatile oil component |
niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 1.95 | 1 | 0 | pyridine alkaloid; pyridinecarboxamide; vitamin B3 | anti-inflammatory agent; antioxidant; cofactor; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; Escherichia coli metabolite; geroprotector; human urinary metabolite; metabolite; mouse metabolite; neuroprotective agent; Saccharomyces cerevisiae metabolite; Sir2 inhibitor |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.02 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 1.97 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
hydroxide ion [no description available] | 2.03 | 1 | 0 | oxygen hydride | mouse metabolite |
parathion [no description available] | 11.1 | 24 | 0 | C-nitro compound; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; mouse metabolite |
phosphoric acid phosphoric acid: concise etchant is 37% H3PO4. phosphoric acid : A phosphorus oxoacid that consists of one oxo and three hydroxy groups joined covalently to a central phosphorus atom. | 2.03 | 1 | 0 | phosphoric acids | algal metabolite; fertilizer; human metabolite; NMR chemical shift reference compound; solvent |
propylene glycol Propylene Glycol: A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.. propane-1,2-diol : The simplest member of the class of propane-1,2-diols, consisting of propane in which a hydrogen at position 1 and a hydrogen at position 2 are substituted by hydroxy groups. A colourless, viscous, hygroscopic, low-melting (-59degreeC) and high-boiling (188degreeC) liquid with low toxicity, it is used as a solvent, emulsifying agent, and antifreeze. | 2.76 | 3 | 0 | glycol; propane-1,2-diols | allergen; human xenobiotic metabolite; mouse metabolite; protic solvent |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 1.97 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
thiosulfates Thiosulfates: Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.. thiosulfate(2-) : A divalent inorganic anion obtained by removal of both protons from thiosulfuric acid. | 2.03 | 1 | 0 | divalent inorganic anion; sulfur oxide; sulfur oxoanion | human metabolite |
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). | 2.03 | 1 | 0 | divalent inorganic anion; sulfur oxide; sulfur oxoanion | |
sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 3.05 | 1 | 0 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
thymine [no description available] | 1.95 | 1 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.35 | 2 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
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. | 7.4 | 2 | 0 | uric acid | Escherichia coli metabolite; human metabolite; mouse metabolite |
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.35 | 2 | 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 |
3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid 3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid: structure given in first source; NMDA receptor antagonist | 2.03 | 1 | 0 | | |
2,4-dichlorophenoxyacetic acid 2,4-Dichlorophenoxyacetic Acid: An herbicide with irritant effects on the eye and the gastrointestinal system.. 2,4-D : A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines. | 2.42 | 2 | 0 | chlorophenoxyacetic acid; dichlorobenzene | agrochemical; defoliant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; environmental contaminant; phenoxy herbicide; synthetic auxin |
homovanillic acid Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 1.97 | 1 | 0 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
hydroxyindoleacetic acid (5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 1.97 | 1 | 0 | indole-3-acetic acids | drug metabolite; human metabolite; mouse metabolite |
tacrine Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.. tacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. | 2.68 | 3 | 0 | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
aceclidine aceclidine: was heading 1975-94; use QUINUCLIDINES to search ACECLIDINE 1975-94; cholinomimetic used to reduce intraocular pressure in glaucoma | 2.05 | 1 | 0 | quinuclidines | |
acephate acephate : A phosphoramide that is methamidophos in which one of the hydrogens is replaced by an acetyl group. | 2.47 | 2 | 0 | mixed diacylamine; organic thiophosphate; organothiophosphate insecticide; phosphoramide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
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. | 3.46 | 2 | 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 |
acetazolamide Acetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) | 1.95 | 1 | 0 | monocarboxylic acid amide; sulfonamide; thiadiazoles | anticonvulsant; diuretic; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
beta-aminoethyl isothiourea beta-Aminoethyl Isothiourea: A radiation-protective agent that can inhibit DNA damage by binding to the DNA. It also increases the susceptibility of blood cells to complement-mediated lysis. | 1.95 | 1 | 0 | | |
alachlor alachlor : An aromatic amide that is N-(2,6-diethylphenyl)acetamide substituted by a methoxymethyl group at at the nitrogen atom while one of the hydrogens of the methyl group has been replaced by a chlorine atom. | 2.45 | 2 | 0 | aromatic amide; monocarboxylic acid amide; organochlorine compound | environmental contaminant; herbicide; xenobiotic |
altretamine Altretamine: A hexamethyl-2,4,6-triamine derivative of 1,3,5-triazine. | 1.95 | 1 | 0 | triamino-1,3,5-triazine | |
theophylline [no description available] | 1.95 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
amitriptyline Amitriptyline: Tricyclic antidepressant with anticholinergic and sedative properties. It appears to prevent the re-uptake of norepinephrine and serotonin at nerve terminals, thus potentiating the action of these neurotransmitters. Amitriptyline also appears to antagonize cholinergic and alpha-1 adrenergic responses to bioactive amines.. amitriptyline : An organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(dimethylamino)propylidene group at position 5. | 2.05 | 1 | 0 | carbotricyclic compound; tertiary amine | adrenergic uptake inhibitor; antidepressant; environmental contaminant; tropomyosin-related kinase B receptor agonist; 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. | 3.05 | 1 | 0 | benzoic acids; phenyl acetates; salicylates | anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent |
atrazine [no description available] | 3.64 | 9 | 0 | chloro-1,3,5-triazine; diamino-1,3,5-triazine | environmental contaminant; herbicide; xenobiotic |
azinphosmethyl Azinphosmethyl: An organothiophosphorus cholinesterase inhibitor. It has been used as an acaricide and as an insecticide.. azinphos-methyl : A member of the class of benzotriazines that is 1,2,3-benzotriazine substituted by an oxo group at position 4 and a [(dimethoxyphosphorothioyl)sulfanyl]methyl group at position 3. | 2.43 | 2 | 0 | benzotriazines; organic thiophosphate; organothiophosphate insecticide | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
bethanechol Bethanechol: A slowly hydrolyzing muscarinic agonist with no nicotinic effects. Bethanechol is generally used to increase smooth muscle tone, as in the GI tract following abdominal surgery or in urinary retention in the absence of obstruction. It may cause hypotension, HEART RATE changes, and BRONCHIAL SPASM.. bethanechol : The carbamic acid ester of 2-methylcholine. A slowly hydrolysed muscarinic agonist with no nicotinic effects, it is used as its chloride salt to increase smooth muscle tone, as in the gastrointestinal tract following abdominal surgery, treatment of gastro-oesophageal reflux disease, and as an alternative to catheterisation in the treatment of non-obstructive urinary retention. | 2.39 | 2 | 0 | carbamate ester; quaternary ammonium ion | muscarinic agonist |
biperiden Biperiden: A muscarinic antagonist that has effects in both the central and peripheral nervous systems. It has been used in the treatment of arteriosclerotic, idiopathic, and postencephalitic parkinsonism. It has also been used to alleviate extrapyramidal symptoms induced by phenothiazine derivatives and reserpine.. biperiden : A member of the class of piperidines that is N-propylpiperidine in which the methyl hydrogens have been replaced by hydroxy, phenyl, and 5-norbornen-2-yl groups. A muscarinic antagonist affecting both the central and peripheral nervous systems, it is used in the treatment of all forms of Parkinson's disease. | 2.01 | 1 | 0 | piperidines; tertiary alcohol; tertiary amino compound | antidote to sarin poisoning; antidyskinesia agent; antiparkinson drug; muscarinic antagonist; parasympatholytic |
bisindolylmaleimide i bisindolylmaleimide I: a bis(indolyl)maleimide | 2 | 1 | 0 | | |
busulfan [no description available] | 1.95 | 1 | 0 | methanesulfonate ester | alkylating agent; antineoplastic agent; carcinogenic agent; insect sterilant; teratogenic agent |
caffeine [no description available] | 2.4 | 2 | 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 |
carbofuran Carbofuran: A cholinesterase inhibitor that is used as a systemic insecticide, an acaricide, and nematocide. (From Merck Index, 11th ed) | 5.17 | 15 | 0 | 1-benzofurans; carbamate ester | acaricide; agrochemical; avicide; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; nematicide |
chloral hydrate [no description available] | 2.03 | 1 | 0 | aldehyde hydrate; ethanediol; organochlorine compound | general anaesthetic; mouse metabolite; sedative; xenobiotic |
chloroquine Chloroquine: The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.. chloroquine : An aminoquinoline that is quinoline which is substituted at position 4 by a [5-(diethylamino)pentan-2-yl]amino group at at position 7 by chlorine. It is used for the treatment of malaria, hepatic amoebiasis, lupus erythematosus, light-sensitive skin eruptions, and rheumatoid arthritis. | 1.96 | 1 | 0 | aminoquinoline; organochlorine compound; secondary amino compound; tertiary amino compound | anticoronaviral agent; antimalarial; antirheumatic drug; autophagy inhibitor; dermatologic drug |
chlorpromazine Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup.. chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. | 7.35 | 2 | 0 | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
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. | 6.48 | 42 | 1 | chloropyridine; organic thiophosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; insecticide; xenobiotic |
eucalyptol [no description available] | 2.05 | 1 | 0 | | |
citalopram Citalopram: A furancarbonitrile that is one of the serotonin uptake inhibitors used as an antidepressant. The drug is also effective in reducing ethanol uptake in alcoholics and is used in depressed patients who also suffer from TARDIVE DYSKINESIA in preference to tricyclic antidepressants, which aggravate dyskinesia.. citalopram : A racemate comprising equimolar amounts of (R)-citalopram and its enantiomer, escitalopram. It is used as an antidepressant, although only escitalopram is active.. 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile : A nitrile that is 1,3-dihydro-2-benzofuran-5-carbonitrile in which one of the hydrogens at position 1 is replaced by a p-fluorophenyl group, while the other is replaced by a 3-(dimethylamino)propyl group. | 2.21 | 1 | 0 | 2-benzofurans; cyclic ether; nitrile; organofluorine compound; tertiary amino compound | |
coumaphos Coumaphos: A organothiophosphorus cholinesterase inhibitor that is used as an anthelmintic, insecticide, and as a nematocide. | 3.47 | 8 | 0 | organic thiophosphate; organochlorine compound; organothiophosphate insecticide | acaricide; agrochemical; antinematodal drug; avicide; EC 3.1.1.8 (cholinesterase) inhibitor |
cypermethrin cypermethrin : A carboxylic ester resulting from the formal condensation between 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid and the alcoholic hydroxy group of hydroxy(3-phenoxyphenyl)acetonitrile.. zeta-cypermethrin : A diastereoisomeric mixture comprising the isomeric pair (1R)-cis-(alphaS)- and (1S)-trans-(alphaR)-cypermethrin together with the isomeric pair (1S)-cis-(alphaS)- and (1S)-trans-(alphaS)-cypermethrin where the ratio between the isomeric pairs lies in the range 45:55 to 55:45. | 5.33 | 12 | 1 | aromatic ether; cyclopropanecarboxylate ester; nitrile; organochlorine compound | agrochemical; molluscicide; pyrethroid ester acaricide; pyrethroid ester insecticide |
dapsone [no description available] | 1.95 | 1 | 0 | substituted aniline; sulfone | anti-inflammatory drug; antiinfective agent; antimalarial; leprostatic drug |
diazepam Diazepam: A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity.. diazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a methyl group at position 1 and a phenyl group at position 5. | 2.91 | 4 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; environmental contaminant; sedative; xenobiotic |
diazinon Diazinon: A cholinesterase inhibitor that is used as an organothiophosphorus insecticide.. diazinon : A member of the class of pyrimidines that is pyrimidine carrying an isopropyl group at position 2, a methyl group at position 6 and a (diethoxyphosphorothioyl)oxy group at position 4. | 6.62 | 28 | 0 | organic thiophosphate; pyrimidines | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; nematicide; xenobiotic |
diazoxide Diazoxide: A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies. It lacks diuretic effect, apparently because it lacks a sulfonamide group.. diazoxide : A benzothiadiazine that is the S,S-dioxide of 2H-1,2,4-benzothiadiazine which is substituted at position 3 by a methyl group and at position 7 by chlorine. A peripheral vasodilator, it increases the concentration of glucose in the plasma and inhibits the secretion of insulin by the beta- cells of the pancreas. It is used orally in the management of intractable hypoglycaemia and intravenously in the management of hypertensive emergencies. | 7.08 | 1 | 0 | benzothiadiazine; organochlorine compound; sulfone | antihypertensive agent; beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; diuretic; K-ATP channel agonist; sodium channel blocker; sympathomimetic agent; vasodilator agent |
dibucaine Dibucaine: A local anesthetic of the amide type now generally used for surface anesthesia. It is one of the most potent and toxic of the long-acting local anesthetics and its parenteral use is restricted to spinal anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1006). cinchocaine : A monocarboxylic acid amide that is the 2-(diethylamino)ethyl amide of 2-butoxyquinoline-4-carboxylic acid. One of the most potent and toxic of the long-acting local anesthetics, its parenteral use was restricted to spinal anesthesia. It is now generally only used (usually as the hydrochloride) in creams and ointments and in suppositories for temporary relief of pain and itching associated with skin and anorectal conditions. | 1.95 | 1 | 0 | aromatic ether; monocarboxylic acid amide; tertiary amino compound | topical anaesthetic |
dichlorodiphenyl dichloroethylene Dichlorodiphenyl Dichloroethylene: An organochlorine pesticide, it is the ethylene metabolite of DDT. | 1.98 | 1 | 0 | chlorophenylethylene; monochlorobenzenes | human xenobiotic metabolite; persistent organic pollutant |
ddt 1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 11.15 | 18 | 0 | benzenoid aromatic compound; chlorophenylethane; monochlorobenzenes; organochlorine insecticide | bridged diphenyl acaricide; carcinogenic agent; endocrine disruptor; persistent organic pollutant |
dimethoate Dimethoate: An organothiophosphorus cholinesterase inhibitor that is used as a systemic and contact insecticide.. dimethoate : A monocarboxylic acid amide that is N-methylacetamide in which one of the hydrogens of the methyl group attached to the carbonyl moiety is replaced by a (dimethoxyphosphorothioyl)sulfanediyl group. | 5.91 | 32 | 0 | monocarboxylic acid amide; organic thiophosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; insecticide; xenobiotic |
diphenhydramine Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 7.89 | 4 | 0 | ether; tertiary amino compound | anti-allergic agent; antidyskinesia agent; antiemetic; antiparkinson drug; antipruritic drug; antitussive; H1-receptor antagonist; local anaesthetic; muscarinic antagonist; oneirogen; sedative |
disulfoton Disulfoton: An organothiophosphate insecticide.. disulfoton : An organic thiophosphate that is the diethyl ester of S-[2-(ethylsulfanyl)ethyl] dihydrogen phosphorodithioate. | 2.36 | 2 | 0 | organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
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. | 8.17 | 1 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea; dichlorobenzene | environmental contaminant; mitochondrial respiratory-chain inhibitor; photosystem-II inhibitor; urea herbicide; xenobiotic |
endosulfan Endosulfan: A polychlorinated compound used for controlling a variety of insects. It is practically water-insoluble, but readily adheres to clay particles and persists in soil and water for several years. Its mode of action involves repetitive nerve-discharges positively correlated to increase in temperature. This compound is extremely toxic to most fish. (From Comp Biochem Physiol (C) 1993 Jul;105(3):347-61). endosulfan : A cyclic sulfite ester that is 1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepine 3-oxide substituted by chloro groups at positions 6, 7, 8, 9, 10 and 10. | 4.71 | 9 | 0 | cyclic sulfite ester; cyclodiene organochlorine insecticide | acaricide; agrochemical; GABA-gated chloride channel antagonist; persistent organic pollutant |
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. | 1.96 | 1 | 0 | | |
fenbendazole Fenbendazole: Antinematodal benzimidazole used in veterinary medicine.. fenbendazole : A member of the class of benzimidazoles that is 1H-benzimidazole which is substituted at positons 2 and 5 by (methoxycarbonyl)amino and phenylsulfanediyl groups, respectively. A broad-spectrum anthelmintic, it is used, particularly in veterinary medicine, for the treatment of nematodal infections. | 3.22 | 6 | 0 | aryl sulfide; benzimidazoles; carbamate ester | antinematodal drug |
fenthion Fenthion: Potent cholinesterase inhibitor used as an insecticide and acaricide.. fenthion : An organic thiophosphate that is O,O-dimethyl hydrogen phosphorothioate in which the hydrogen atom of the hydroxy group is replaced by a 3-methyl-4-(methylsulfanyl)phenyl group. It exhibits acaricidal and insecticidal activities. | 11.4 | 13 | 1 | organic thiophosphate | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; insecticide |
fipronil fipronil: has low mammalian toxicity; structure given in first source. fipronil : A racemate comprising equimolar amounts of (R)- and (S)-fipronil.. 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile : A member of the class of pyrazoles that is 1H-pyrazole that is substituted at positions 1, 3, 4, and 5 by 2,6-dichloro-4-(trifluoromethyl)phenyl, cyano, (trifluoromethyl)sulfinyl, and amino groups, respectively. | 7.4 | 2 | 0 | (trifluoromethyl)benzenes; dichlorobenzene; nitrile; primary amino compound; pyrazoles; sulfoxide | |
fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 1.95 | 1 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
fluoxetine Fluoxetine: The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.. fluoxetine : A racemate comprising equimolar amounts of (R)- and (S)-fluoxetine. A selective serotonin reuptake inhibitor (SSRI), it is used (generally as the hydrochloride salt) for the treatment of depression (and the depressive phase of bipolar disorder), bullimia nervosa, and obsessive-compulsive disorder.. N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propan-1-amine : An aromatic ether consisting of 4-trifluoromethylphenol in which the hydrogen of the phenolic hydroxy group is replaced by a 3-(methylamino)-1-phenylpropyl group. | 2.21 | 1 | 0 | (trifluoromethyl)benzenes; aromatic ether; secondary amino compound | |
glyburide Glyburide: An antidiabetic sulfonylurea derivative with actions like those of chlorpropamide. glyburide : An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. | 2.17 | 1 | 0 | monochlorobenzenes; N-sulfonylurea | anti-arrhythmia drug; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor; hypoglycemic agent |
guaifenesin Guaifenesin: An expectorant that also has some muscle relaxing action. It is used in many cough preparations. | 2.1 | 1 | 0 | methoxybenzenes | |
heptachlor Heptachlor: A man-made compound previously used to control termites and other insects. Even though production of heptachlor was phased out of use in the United States during the late 1980's it remains in soil and hazardous waste sites. It is clearly toxic to animals and humans but, the International Agency for Research on Cancer (IARC) has determined that heptachlor is not classifiable as to its carcinogenicity to humans. (From ATSDR Public Heath Statement, April 1989). heptachlor : A cyclodiene organochlorine insecticide that is 3a,4,7,7a-tetrahydro-1H-4,7-methanoindene substituted by chlorine atoms at positions 1, 4, 5, 6, 7, 8 and 8. Formerly used to kill termites, ants and other insects in agricultural and domestic situations. | 2.35 | 2 | 0 | cyclodiene organochlorine insecticide | agrochemical; antibacterial agent; antifungal agent; GABA-gated chloride channel antagonist; persistent organic pollutant |
hexachlorophene Hexachlorophene: A chlorinated bisphenol antiseptic with a bacteriostatic action against Gram-positive organisms, but much less effective against Gram-negative organisms. It is mainly used in soaps and creams and is an ingredient of various preparations used for skin disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p797). hexachlorophene : An organochlorine compound that is diphenylmethane in which each of the phenyl groups is substituted by chlorines at positions 2, 3, and 5, and by a hydroxy group at position 6. An antiseptic that is effective against Gram-positive organisms, it is used in soaps and creams for the treatment of various skin disorders. It is also used in agriculture as an acaricide and fungicide, but is not approved for such use within the European Union. | 3.45 | 2 | 0 | bridged diphenyl fungicide; polyphenol; trichlorobenzene | acaricide; antibacterial agent; antifungal agrochemical; antiseptic drug |
ethidium Ethidium: A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.. ethidium : The fluorescent compound widely used in experimental cell biology and biochemistry to reveal double-stranded DNA and RNA. | 1.95 | 1 | 0 | phenanthridines | fluorochrome; intercalator |
hycanthone Hycanthone: Potentially toxic, but effective antischistosomal agent, it is a metabolite of LUCANTHONE.. hycanthone : A thioxanthen-9-one compound having a hydroxymethyl substituent at the 1-position and a 2-[(diethylamino)ethyl]amino substituent at the 4-position. It was formerly used (particularly as the monomethanesulfonic acid salt) as a schistosomicide for individual or mass treatement of infection with Schistosoma haematobium and S. mansoni, but due to its toxicity and concern about possible carcinogenicity, it has been replaced by other drugs such as praziquantel. | 1.95 | 1 | 0 | thioxanthenes | mutagen; schistosomicide drug |
ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.6 | 1 | 0 | monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; radical scavenger; xenobiotic |
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). | 2.35 | 2 | 0 | carbohydrazide | antitubercular agent; drug allergen |
2-propanol 2-Propanol: An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.. propan-2-ol : A secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. | 2.5 | 2 | 0 | secondary alcohol; secondary fatty alcohol | protic solvent |
ketamine Ketamine: A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors.. ketamine : A member of the class of cyclohexanones in which one of the hydrogens at position 2 is substituted by a 2-chlorophenyl group, while the other is substituted by a methylamino group. | 2.03 | 1 | 0 | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
tetramisole 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole : An imidazothiazole that is imidazo[2,1-b][1,3]thiazole in which the double bonds at the 2-3 and 5-6 positions have been reduced to single bonds and in which one of the hydrogens at position 6 is replaced by a phenyl group.. tetramisole : A racemate comprising equimolar amounts of levamisole and dexamisole. | 3.74 | 3 | 0 | imidazothiazole | environmental contaminant; xenobiotic |
malathion Malathion: A wide spectrum aliphatic organophosphate insecticide widely used for both domestic and commercial agricultural purposes.. malathion : A racemate comprising equimolar amounts of (R) and (S)-malathion. It is a broad spectrum organophosphate proinsecticide used to control a wide range of pests including Coleoptera, Diptera, fruit flies, mosquitos and spider mites.. diethyl 2-[(dimethoxyphosphorothioyl)thio]succinate : A diester that is diethyl succinate in which position 2 is substituted by a (dimethoxyphosphorothioyl)thio group. | 7.33 | 60 | 0 | diester; ethyl ester; organic thiophosphate | |
mebendazole Mebendazole: A benzimidazole that acts by interfering with CARBOHYDRATE METABOLISM and inhibiting polymerization of MICROTUBULES.. mebendazole : A carbamate ester that is methyl 1H-benzimidazol-2-ylcarbamate substituted by a benzoyl group at position 5. | 3.21 | 6 | 0 | aromatic ketone; benzimidazoles; carbamate ester | antinematodal drug; microtubule-destabilising agent; tubulin modulator |
mechlorethamine nitrogen mustard : Compounds having two beta-haloalkyl groups bound to a nitrogen atom, as in (X-CH2-CH2)2NR. | 2.35 | 2 | 0 | nitrogen mustard; organochlorine compound | alkylating agent |
memantine [no description available] | 2.72 | 3 | 0 | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist |
methamidophos methamidophos: structure. methamidophos : An organic thiophosphate resulting from the N-deacylation of the proinsecticide acephate. | 3.53 | 8 | 0 | organic thiophosphate; organothiophosphate insecticide; phosphoramide | acaricide; agrochemical; avicide |
methomyl Methomyl: A carbamate insecticide with anticholinesterase activity.. methomyl : A carbamate ester obtained by the formal condensation of methylcarbamic acid with the hydroxy group of 1-(methylsulfanyl)acetaldoxime. | 8.13 | 5 | 0 | aliphatic sulfide; carbamate ester | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; insecticide; nematicide; xenobiotic |
methoxychlor Methoxychlor: An insecticide. Methoxychlor has estrogenic effects in mammals, among other effects. | 1.94 | 1 | 0 | organochlorine insecticide | |
methyl parathion Methyl Parathion: The methyl homolog of parathion. An effective, but highly toxic, organothiophosphate insecticide and cholinesterase inhibitor.. parathion-methyl : A C-nitro compound that is 4-nitrophenol substituted by a (dimethoxyphosphorothioyl)oxy group at position 4. | 9.01 | 14 | 0 | C-nitro compound; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; antifungal agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; genotoxin |
methyl methanesulfonate [no description available] | 2.64 | 3 | 0 | methanesulfonate ester | alkylating agent; apoptosis inducer; carcinogenic agent; genotoxin; mutagen |
metyrapone Metyrapone: An inhibitor of the enzyme STEROID 11-BETA-MONOOXYGENASE. It is used as a test of the feedback hypothalamic-pituitary mechanism in the diagnosis of CUSHING SYNDROME.. metyrapone : An aromatic ketone that is 3,3-dimethylbutan-2-one in which the methyl groups at positions 1 and 4 are replaced by pyridin-3-yl groups. A steroid 11beta-monooxygenase (EC 1.14.15.4) inhibitor, it is used in the diagnosis of adrenal insufficiency. | 1.99 | 1 | 0 | aromatic ketone | antimetabolite; diagnostic agent; EC 1.14.15.4 (steroid 11beta-monooxygenase) inhibitor |
apnea Apnea: A transient absence of spontaneous respiration. | 7.91 | 4 | 0 | purine nucleoside | |
naled Naled: An organophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide.. naled : An dialkyl phosphate resulting from the formal condensation of the acidic hydroxy group of dimethyl hydrogen phosphate with the alcoholic hydroxy group of 1,2-dibromo-2,2-dichloroethanol. An organophosphate insecticide, it is no longer approved for use within the European Union. | 4.08 | 15 | 0 | dialkyl phosphate; organobromine compound; organochlorine compound; organophosphate insecticide | acaricide; agrochemical; antibacterial agent; antifungal agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
neostigmine Neostigmine: A cholinesterase inhibitor used in the treatment of myasthenia gravis and to reverse the effects of muscle relaxants such as gallamine and tubocurarine. Neostigmine, unlike PHYSOSTIGMINE, does not cross the blood-brain barrier.. neostigmine : A quaternary ammonium ion comprising an anilinium ion core having three methyl substituents on the aniline nitrogen, and a 3-[(dimethylcarbamoyl)oxy] substituent at position 3. It is a parasympathomimetic which acts as a reversible acetylcholinesterase inhibitor. | 1.95 | 1 | 0 | quaternary ammonium ion | antidote to curare poisoning; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
niclosamide Niclosamide: An antihelmintic that is active against most tapeworms. (From Martindale, The Extra Pharmacopoeia, 30th ed, p48). niclosamide : A secondary carboxamide resulting from the formal condensation of the carboxy group of 5-chlorosalicylic acid with the amino group of 2-chloro-4-nitroaniline. It is an oral anthelmintic drug approved for use against tapeworm infections. | 3.45 | 2 | 0 | benzamides; C-nitro compound; monochlorobenzenes; salicylanilides; secondary carboxamide | anthelminthic drug; anticoronaviral agent; antiparasitic agent; apoptosis inducer; molluscicide; piscicide; STAT3 inhibitor |
nimodipine Nimodipine: A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects and lowers blood pressure.. nimodipine : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a (2-methoxyethoxy)carbonyl group at position 3, a m-nitrophenyl group at position 4, and an isopropoxycarbonyl group at position 5. An L-type calcium channel blocker, it acts particularly on cerebral circulation, and is used both orally and intravenously for the prevention and treatment of subarachnoid hemorrhage from ruptured intracranial aneurysm. | 2.71 | 3 | 0 | 2-methoxyethyl ester; C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; isopropyl ester | antihypertensive agent; calcium channel blocker; cardiovascular drug; vasodilator agent |
oxotremorine Oxotremorine: A non-hydrolyzed muscarinic agonist used as a research tool. | 2.36 | 2 | 0 | N-alkylpyrrolidine | |
pentobarbital Pentobarbital: A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236). pentobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 3.05 | 1 | 0 | barbiturates | GABAA receptor agonist |
phenacetin Saridon: contains phenacetin, caffeine, propyphenazone & pyrithyldione | 3.05 | 1 | 0 | acetamides; aromatic ether | cyclooxygenase 3 inhibitor; non-narcotic analgesic; peripheral nervous system drug |
phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 8.76 | 3 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
phenylbutazone Phenylbutazone: A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS.. phenylbutazone : A member of the class of pyrazolidines that is 1,2-diphenylpyrazolidine-3,5-dione carrying a butyl group at the 4-position. | 1.95 | 1 | 0 | pyrazolidines | antirheumatic drug; EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor; metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; peripheral nervous system drug |
phenylmethylsulfonyl fluoride Phenylmethylsulfonyl Fluoride: An enzyme inhibitor that inactivates IRC-50 arvin, subtilisin, and the fatty acid synthetase complex.. phenylmethanesulfonyl fluoride : An acyl fluoride with phenylmethanesulfonyl as the acyl group. | 1.97 | 1 | 0 | acyl fluoride | serine proteinase inhibitor |
phorate Phorate: A cholinesterase inhibitor that is used as an insecticide.. phosphatidylcholine O-34:2 : A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 2 double bonds. | 3.48 | 2 | 0 | organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
piperazine [no description available] | 2.38 | 2 | 0 | azacycloalkane; piperazines; saturated organic heteromonocyclic parent | anthelminthic drug |
potassium chloride Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.. potassium chloride : A metal chloride salt with a K(+) counterion. | 1.96 | 1 | 0 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
proadifen Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 1.95 | 1 | 0 | diarylmethane | |
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. | 1.98 | 1 | 0 | benzoic acids; sulfonamide | uricosuric drug |
procaine Procaine: A local anesthetic of the ester type that has a slow onset and a short duration of action. It is mainly used for infiltration anesthesia, peripheral nerve block, and spinal block. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1016).. procaine : A benzoate ester, formally the result of esterification of 4-aminobenzoic acid with 2-diethylaminoethanol but formed experimentally by reaction of ethyl 4-aminobenzoate with 2-diethylaminoethanol. | 1.95 | 1 | 0 | benzoate ester; substituted aniline; tertiary amino compound | central nervous system depressant; drug allergen; local anaesthetic; peripheral nervous system drug |
prometone prometone: structure. prometon : A methoxy-1,3,5-triazine that is 6-methoxy-1,3,5-triazine-2,4-diamine in which the one of the hydrogens of each amino group is substituted by an isopropyl group. | 2.05 | 1 | 0 | diamino-1,3,5-triazine; methoxy-1,3,5-triazine | environmental contaminant; herbicide; xenobiotic |
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 | 1 | 0 | phenanthridines; quaternary ammonium ion | fluorochrome; intercalator |
propoxur Propoxur: A carbamate insecticide.. propoxur : A carbamate ester that is phenyl methylcarbamate substituted at position 2 by a propan-2-yloxy group. | 5.15 | 18 | 0 | aromatic ether; carbamate ester | acaricide; agrochemical; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
ronidazole Ronidazole: Antiprotozoal and antimicrobial agent used mainly in veterinary practice.. ronidazole : A carbamate ester that is 5-nitroimidazole in which the hydrogens at positions 1 and 2 are replaced by methyl and (carbamoyloxy)methyl groups, respectively. An antiprotozoal agent, it is used in veterinary medicine for the treatment of histomoniasis and swine dysentery. | 1.96 | 1 | 0 | C-nitro compound; carbamate ester; imidazoles | antiparasitic agent; antiprotozoal drug |
simazine Simazine: A triazine herbicide.. simazine : A diamino-1,3,5-triazine that is N,N'-diethyl-1,3,5-triazine-2,4-diamine substituted by a chloro group at position 6. | 2.1 | 1 | 0 | chloro-1,3,5-triazine; diamino-1,3,5-triazine | environmental contaminant; herbicide; xenobiotic |
succinylcholine Succinylcholine: A quaternary skeletal muscle relaxant usually used in the form of its bromide, chloride, or iodide. It is a depolarizing relaxant, acting in about 30 seconds and with a duration of effect averaging three to five minutes. Succinylcholine is used in surgical, anesthetic, and other procedures in which a brief period of muscle relaxation is called for.. succinylcholine : A quaternary ammonium ion that is the bis-choline ester of succinic acid. | 2.87 | 4 | 0 | quaternary ammonium ion; succinate ester | drug allergen; muscle relaxant; neuromuscular agent |
sulfadimethoxine Sulfadimethoxine: A sulfanilamide that is used as an anti-infective agent.. sulfadimethoxine : A sulfonamide consisting of pyrimidine having methoxy substituents at the 2- and 6-positions and a 4-aminobenzenesulfonamido group at the 4-position. | 1.96 | 1 | 0 | aromatic ether; pyrimidines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; antimicrobial agent; drug allergen; environmental contaminant; xenobiotic |
temefos Temefos: An organothiophosphate insecticide.. temephos : An organic sulfide that is diphenyl sulfide in which the hydrogen at the para position of each of the phenyl groups has been replaced by a (dimethoxyphosphorothioyl)oxy group. | 2.37 | 2 | 0 | organic sulfide; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; ectoparasiticide |
tempol-h TEMPOL-H: hydroxylamine (protonated, reduced) form of TEMPOL; a N-hydroxyl form of LASTAR A; TEMPOL is paramagnetic radical used in NMR as SPIN LABELS whereas TEMPOL-H is not. 4-hydroxy-TEMPO : A member of the class of aminoxyls that is TEMPO carrying a hydroxy substituent at position 4. It is a radical scavenger which exhibits anti-inflammatory and analgesic properties. | 2.5 | 2 | 0 | | |
tetraisopropylpyrophosphamide Tetraisopropylpyrophosphamide: N,N',N'',N'''-Tetraisopropylpyrophosphamide. A specific inhibitor of pseudocholinesterases. It is commonly used experimentally to determine whether pseudo- or acetylcholinesterases are involved in an enzymatic process. | 1.98 | 1 | 0 | phosphoramide | |
thiabendazole Tresaderm: dermatologic soln containing dexamethasone, thiabendazole & neomycin sulfate | 8.2 | 6 | 0 | 1,3-thiazoles; benzimidazole fungicide; benzimidazoles | antifungal agrochemical; antinematodal drug |
thiram Thiram: A dithiocarbamate chemical, used commercially in the rubber processing industry and as a fungicide. In vivo studies indicate that it inactivates the enzyme GLUTATHIONE REDUCTASE. It has mutagenic activity and may induce chromosomal aberrations.. thiram : An organic disulfide that results from the formal oxidative dimerisation of N,N-dimethyldithiocarbamic acid. It is widely used as a fungicidal seed treatment. | 7.36 | 2 | 0 | organic disulfide | antibacterial drug; antifungal agrochemical; antiseptic drug |
triacetin Triacetin: A triglyceride that is used as an antifungal agent.. triacetin : A triglyceride obtained by acetylation of the three hydroxy groups of glycerol. It has fungistatic properties (based on release of acetic acid) and has been used in the topical treatment of minor dermatophyte infections. | 1.95 | 1 | 0 | triglyceride | adjuvant; antifungal drug; food additive carrier; food emulsifier; food humectant; fuel additive; plant metabolite; solvent |
trifluralin Trifluralin: A microtubule-disrupting pre-emergence herbicide.. trifluralin : A substituted aniline that is N,N-dipropylaniline substituted by a nitro groups at positions 2 and 6 and a trifluoromethyl group at position 4. It is an agrochemical used as a pre-emergence herbicide. | 2.31 | 1 | 0 | (trifluoromethyl)benzenes; C-nitro compound; substituted aniline | agrochemical; environmental contaminant; herbicide; xenobiotic |
vesamicol vesamicol: RN given refers to parent cpd; structure | 1.99 | 1 | 0 | piperidines | |
w 7 W 7: RN given refers to parent cpd; structure; calmodulin antagonist | 1.96 | 1 | 0 | | |
xylazine Xylazine: An adrenergic alpha-2 agonist used as a sedative, analgesic and centrally acting muscle relaxant in VETERINARY MEDICINE.. xylazine : A methyl benzene that is 1,3-dimethylbenzene which is substituted by a 5,6-dihydro-4H-1,3-thiazin-2-ylnitrilo group at position 2. It is an alpha2 adrenergic receptor agonist and frequently used in veterinary medicine as an emetic and sedative with analgesic and muscle relaxant properties. | 2.03 | 1 | 0 | 1,3-thiazine; methylbenzene; secondary amino compound | alpha-adrenergic agonist; analgesic; emetic; muscle relaxant; sedative |
corticosterone [no description available] | 2.67 | 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 |
prednisolone Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 2.36 | 2 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antineoplastic agent; drug metabolite; environmental contaminant; immunosuppressive agent; xenobiotic |
lysergic acid diethylamide Lysergic Acid Diethylamide: Semisynthetic derivative of ergot (Claviceps purpurea). It has complex effects on serotonergic systems including antagonism at some peripheral serotonin receptors, both agonist and antagonist actions at central nervous system serotonin receptors, and possibly effects on serotonin turnover. It is a potent hallucinogen, but the mechanisms of that effect are not well understood.. lysergic acid diethylamide : An ergoline alkaloid arising from formal condensation of lysergic acid with diethylamine. | 2.36 | 2 | 0 | ergoline alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound | dopamine agonist; hallucinogen; serotonergic agonist |
thymidine [no description available] | 2.36 | 2 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
piperonyl butoxide [no description available] | 2.35 | 2 | 0 | benzodioxoles | pesticide synergist |
bromouracil Bromouracil: 5-Bromo-2,4(1H,3H)-pyrimidinedione. Brominated derivative of uracil that acts as an antimetabolite, substituting for thymine in DNA. It is used mainly as an experimental mutagen, but its deoxyriboside (BROMODEOXYURIDINE) is used to treat neoplasms.. 5-bromouracil : A pyrimidine having keto groups at the 2- and 4-positions and a bromo group at the 5-position. Used mainly as an experimental mutagen. | 2.05 | 1 | 0 | nucleobase analogue; pyrimidines | mutagen |
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. | 1.95 | 1 | 0 | 2-halophenol; iodophenol; L-phenylalanine derivative; non-proteinogenic L-alpha-amino acid; thyroxine zwitterion; thyroxine | antithyroid drug; human metabolite; mouse metabolite; thyroid hormone |
carbachol Carbachol: A slowly hydrolyzed CHOLINERGIC AGONIST that acts at both MUSCARINIC RECEPTORS and NICOTINIC RECEPTORS. | 3.76 | 3 | 0 | ammonium salt; carbamate ester | cardiotonic drug; miotic; muscarinic agonist; nicotinic acetylcholine receptor agonist; non-narcotic analgesic |
trichlorfon Trichlorfon: An organochlorophosphate cholinesterase inhibitor that is used as an insecticide for the control of flies and roaches. It is also used in anthelmintic compositions for animals. (From Merck, 11th ed). trichlorfon : A phosphonic ester that is dimethyl phosphonate in which the hydrogen atom attched to the phosphorous is substituted by a 2,2,2-trichloro-1-hydroxyethyl group. | 8.25 | 89 | 1 | organic phosphonate; organochlorine compound; phosphonic ester | agrochemical; anthelminthic drug; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; insecticide |
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. | 1.95 | 1 | 0 | 2-acetamidofluorenes | antimitotic; carcinogenic agent; epitope; mutagen |
pilocarpine Pilocarpine: A slowly hydrolyzed muscarinic agonist with no nicotinic effects. Pilocarpine is used as a miotic and in the treatment of glaucoma.. (+)-pilocarpine : The (+)-enantiomer of pilocarpine. | 2.35 | 2 | 0 | pilocarpine | antiglaucoma drug |
isoflurophate Isoflurophate: A di-isopropyl-fluorophosphate which is an irreversible cholinesterase inhibitor used to investigate the NERVOUS SYSTEM. | 4.32 | 20 | 0 | dialkyl phosphate | |
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. | 4.49 | 4 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2.08 | 1 | 0 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.89 | 4 | 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 |
chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 3.45 | 2 | 0 | C-nitro compound; carboxamide; diol; organochlorine compound | antibacterial drug; antimicrobial agent; Escherichia coli metabolite; geroprotector; Mycoplasma genitalium metabolite; protein synthesis inhibitor |
aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 2.41 | 1 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 7.59 | 2 | 0 | aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid | algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
physostigmine Physostigmine: A cholinesterase inhibitor that is rapidly absorbed through membranes. It can be applied topically to the conjunctiva. It also can cross the blood-brain barrier and is used when central nervous system effects are desired, as in the treatment of severe anticholinergic toxicity. | 9.21 | 18 | 0 | carbamate ester; indole alkaloid | antidote to curare poisoning; EC 3.1.1.8 (cholinesterase) inhibitor; miotic |
sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 2.17 | 1 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
chlordan Chlordan: A highly poisonous organochlorine insecticide. The EPA has cancelled registrations of pesticides containing this compound with the exception of its use through subsurface ground insertion for termite control and the dipping of roots or tops of non-food plants. (From Merck Index, 11th ed) | 2.64 | 3 | 0 | cyclodiene organochlorine insecticide | GABA-gated chloride channel antagonist; persistent organic pollutant |
apomorphine Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. | 1.95 | 1 | 0 | aporphine alkaloid | alpha-adrenergic drug; antidyskinesia agent; antiparkinson drug; dopamine agonist; emetic; serotonergic drug |
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. | 2.41 | 2 | 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. | 1.96 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 2.65 | 3 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
p-dimethylaminoazobenzene p-Dimethylaminoazobenzene: A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound may reasonably be anticipated to be a carcinogen. (Merck, 11th ed) | 1.95 | 1 | 0 | azobenzenes | |
phenylethyl alcohol Phenylethyl Alcohol: An antimicrobial, antiseptic, and disinfectant that is used also as an aromatic essence and preservative in pharmaceutics and perfumery.. 2-phenylethanol : A primary alcohol that is ethanol substituted by a phenyl group at position 2. | 2.13 | 1 | 0 | benzenes; primary alcohol | Aspergillus metabolite; fragrance; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.99 | 4 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
cysteamine Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 1.95 | 1 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 3.05 | 1 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
ethyl methanesulfonate Ethyl Methanesulfonate: An antineoplastic agent with alkylating properties. It also acts as a mutagen by damaging DNA and is used experimentally for that effect.. ethyl methanesulfonate : A methanesulfonate ester resulting from the formal condensation of methanesulfonic acid with ethanol. | 2.65 | 3 | 0 | methanesulfonate ester | alkylating agent; antineoplastic agent; carcinogenic agent; genotoxin; mutagen; teratogenic agent |
dimethylnitrosamine Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 2.36 | 2 | 0 | nitrosamine | geroprotector; mutagen |
carbaryl Carbaryl: A carbamate insecticide and parasiticide. It is a potent anticholinesterase agent belonging to the carbamate group of reversible cholinesterase inhibitors. It has a particularly low toxicity from dermal absorption and is used for control of head lice in some countries.. carbaryl : A carbamate ester obtained by the formal condensation of 1-naphthol with methylcarbamic acid. | 5.52 | 22 | 0 | carbamate ester; naphthalenes | acaricide; agrochemical; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; plant growth retardant |
gallamine triethiodide Gallamine Triethiodide: A synthetic nondepolarizing blocking drug. The actions of gallamine triethiodide are similar to those of TUBOCURARINE, but this agent blocks the cardiac vagus and may cause sinus tachycardia and, occasionally, hypertension and increased cardiac output. It should be used cautiously in patients at risk from increased heart rate but may be preferred for patients with bradycardia. (From AMA Drug Evaluations Annual, 1992, p198) | 2 | 1 | 0 | | |
cycloheximide Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 1.96 | 1 | 0 | antibiotic fungicide; cyclic ketone; dicarboximide; piperidine antibiotic; piperidones; secondary alcohol | anticoronaviral agent; bacterial metabolite; ferroptosis inhibitor; neuroprotective agent; protein synthesis inhibitor |
chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 3.05 | 1 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
chlorisondamine Chlorisondamine: A nicotinic antagonist used primarily as a ganglionic blocker in animal research. It has been used as an antihypertensive agent but has been supplanted by more specific drugs in most clinical applications. | 2.13 | 1 | 0 | isoindoles | |
ampicillin Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.. ampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | 1.98 | 1 | 0 | beta-lactam antibiotic; penicillin allergen; penicillin | antibacterial drug |
cytarabine [no description available] | 1.95 | 1 | 0 | beta-D-arabinoside; monosaccharide derivative; pyrimidine nucleoside | antimetabolite; antineoplastic agent; antiviral agent; immunosuppressive agent |
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. | 1.97 | 1 | 0 | chloroethanes | polar solvent |
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.86 | 4 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 7.31 | 1 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
propane Propane: A three carbon alkane with the formula H3CCH2CH3. | 3.45 | 2 | 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. | 7.43 | 2 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
methylene chloride Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.. dichloromethane : A member of the class of chloromethanes that is methane in which two of the hydrogens have been replaced by chlorine. A dense, non-flammible colourless liquid at room temperature (b.p. 40degreeC, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea. | 1.97 | 1 | 0 | chloromethanes; volatile organic compound | carcinogenic agent; polar aprotic solvent; refrigerant |
carbon disulfide Carbon Disulfide: A colorless, flammable, poisonous liquid, CS2. It is used as a solvent, and is a counterirritant and has local anesthetic properties but is not used as such. It is highly toxic with pronounced CNS, hematologic, and dermatologic effects. | 3.96 | 4 | 0 | one-carbon compound; organosulfur compound | |
ethylene oxide Ethylene Oxide: A colorless and flammable gas at room temperature and pressure. Ethylene oxide is a bactericidal, fungicidal, and sporicidal disinfectant. It is effective against most micro-organisms, including viruses. It is used as a fumigant for foodstuffs and textiles and as an agent for the gaseous sterilization of heat-labile pharmaceutical and surgical materials. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p794). oxirane : A saturated organic heteromonocyclic parent that is a three-membered heterocycle of two carbon atoms and one oxygen atom. | 3.96 | 2 | 0 | gas molecular entity; oxacycle; saturated organic heteromonocyclic parent | allergen; mouse metabolite; mutagen |
1,1-difluoroethane [no description available] | 1.97 | 1 | 0 | | |
phosgene Phosgene: A highly toxic gas that has been used as a chemical warfare agent. It is an insidious poison as it is not irritating immediately, even when fatal concentrations are inhaled. (From The Merck Index, 11th ed, p7304). phosgene : An acyl chloride obtained by substitution of both hydrogens of formaldehyde by chlorine.. chloroketone : A ketone containing a chloro substituent. | 2.03 | 1 | 0 | acyl chloride | |
acetone cyanohydrin acetone cyanohydrin: RN given refers to unlabeled cpd; structure | 2.01 | 1 | 0 | cyanohydrin | |
trichloroacetaldehyde trichloroacetaldehyde : An organochlorine compound that consists of acetaldehyde where all the methyl hydrogens are replaced by chloro groups. | 2.03 | 1 | 0 | aldehyde; organochlorine compound | mouse metabolite |
chloropicrin chloropicrin: major descriptor (66-85); on-line search HYDROCARBONS, CHLORINATED (66-85); Index Medicus search CHLOROPICRIN (66-85). chloropicrin : A C-nitro compound that is nitromethane in which all three hydrogens are replaced by chlorines. It is a severe irritant, and can cause immediate, severe inflammation of the eyes, nose and throat, and significant injuries to the upper and lower respiratory tract. Formerly stockpiled as a chemical warfare agent, it has been widely used in the US as a soil fumigant, particularly for strawberry crops. It is not approved for use within the European Union. | 2.42 | 2 | 0 | C-nitro compound; one-carbon compound; organochlorine compound | antifungal agrochemical; fumigant insecticide; nematicide |
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. | 2.08 | 1 | 0 | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
tabun tabun: proposed as military nerve gas and exptl cholinesterase inhibitor; extremely poisonous; structure | 2.43 | 2 | 0 | | |
tri-o-cresyl phosphate tri-o-cresyl phosphate: see also related IMOL S-140 | 2 | 1 | 0 | | |
trichloroethylene Trichloroethylene: A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment.. triol : A chemical compound containing three hydroxy groups. | 3.05 | 1 | 0 | chloroethenes | inhalation anaesthetic; mouse metabolite |
acrylamide [no description available] | 2 | 1 | 0 | acrylamides; N-acylammonia; primary carboxamide | alkylating agent; carcinogenic agent; Maillard reaction product; mutagen; neurotoxin |
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. | 2.48 | 2 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
diquat Diquat: A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed). diquat : The organic cation formed formally by addition of an ethylene bridge between the nitrogen atoms of 2,2'-bipyridine. Most often available as the dibromide. | 2.05 | 1 | 0 | organic cation | defoliant; herbicide |
2,6-dichlorophenol 2,6-dichlorophenol: RN given refers to unlabeled cpd. 2,6-dichlorophenol : A dichlorophenol with the chloro substituents at positions 2 and 6. | 2.1 | 1 | 0 | dichlorophenol | |
2,4,6-trichlorophenol [no description available] | 1.97 | 1 | 0 | trichlorophenol | carcinogenic agent |
thymol Thymol: A phenol obtained from thyme oil or other volatile oils used as a stabilizer in pharmaceutical preparations, and as an antiseptic (antibacterial or antifungal) agent.. thymol : A phenol that is a natural monoterpene derivative of cymene. | 2.21 | 1 | 0 | monoterpenoid; phenols | volatile oil component |
phenothiazine 10H-phenothiazine : The 10H-tautomer of phenothiazine. | 2.37 | 2 | 0 | phenothiazine | ferroptosis inhibitor; plant metabolite; radical scavenger |
methyleugenol methyleugenol: structure | 2.78 | 3 | 0 | phenylpropanoid | |
2-methyl-4-chlorophenoxyacetic acid 2-Methyl-4-chlorophenoxyacetic Acid: A powerful herbicide used as a selective weed killer.. (4-chloro-2-methylphenoxy)acetic acid : A chlorophenoxyacetic acid that is (4-chlorophenoxy)acetic acid substituted by a methyl group at position 2. | 2.39 | 2 | 0 | chlorophenoxyacetic acid; monochlorobenzenes | environmental contaminant; phenoxy herbicide; synthetic auxin |
soman Soman: An organophosphorus compound that inhibits cholinesterase. It causes seizures and has been used as a chemical warfare agent. | 3.61 | 9 | 0 | phosphonic ester | |
quinuclidines Quinuclidines: A class of organic compounds which contain two rings that share a pair of bridgehead carbon atoms and contains an amine group. | 3.38 | 2 | 0 | quinuclidines; saturated organic heterobicyclic parent | |
cyclamic acid Cyclamates: Salts and esters of cyclamic acid.. cyclohexylsulfamic acid : A member of the class of sulfamic acids that is sulfamic acid carrying an N-cyclohexyl substituent. | 1.95 | 1 | 0 | sulfamic acids | environmental contaminant; human xenobiotic 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. | 1.95 | 1 | 0 | epoxide; organochlorine compound | |
ethylene dibromide Ethylene Dibromide: An effective soil fumigant, insecticide, and nematocide. In humans, it causes severe burning of skin and irritation of the eyes and respiratory tract. Prolonged inhalation may cause liver necrosis. It is also used in gasoline. Members of this group have caused liver and lung cancers in rodents. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), 1,2-dibromoethane may reasonably be anticipated to be a carcinogen.. 1,2-dibromoethane : A bromoalkane that is ethane carrying bromo substituents at positions 1 and 2. It is produced by marine algae. | 3.96 | 2 | 0 | bromoalkane; bromohydrocarbon | algal metabolite; carcinogenic agent; fumigant; marine metabolite; mouse metabolite; mutagen |
acrylonitrile [no description available] | 2.01 | 1 | 0 | aliphatic nitrile; volatile organic compound | antifungal agent; carcinogenic agent; fungal metabolite; mutagen; polar aprotic solvent |
sarin Sarin: An organophosphorus ester compound that produces potent and irreversible inhibition of cholinesterase. It is toxic to the nervous system and is a chemical warfare agent.. isopropyl methylphosphonofluoridate : A phosphinic ester that is the isopropyl ester of methylphosphonofluoridic acid.. sarin : A racemate composed of equal amounts of (R)- and (S)-sarin. A potent and irreversible inhibitor of acetylcholinesterase that is toxic to the nervous system and is employed as a chemical warfare agent. | 3.09 | 5 | 0 | fluorine molecular entity; phosphinic ester | |
cyclohexanol Cyclohexanols: Monohydroxy derivatives of cyclohexanes that contain the general formula R-C6H11O. They have a camphorlike odor and are used in making soaps, insecticides, germicides, dry cleaning, and plasticizers.. cyclohexanols : An alcohol in which one or more hydroxy groups are attached to a cyclohexane skeleton. | 2.05 | 1 | 0 | cyclohexanols; secondary alcohol | solvent |
thiophenol thiophenol : A thiol in which the sulfanyl group is attached to a phenyl group. | 2.03 | 1 | 0 | aryl thiol | |
tetrahydrofuran oxolane : A cyclic ether that is butane in which one hydrogen from each methyl group is substituted by an oxygen. | 2.07 | 1 | 0 | cyclic ether; oxolanes; saturated organic heteromonocyclic parent; volatile organic compound | polar aprotic solvent |
isopropyl myristate isopropyl myristate: used for microemulsions; structure | 2.1 | 1 | 0 | fatty acid ester | |
2-ethoxyethanol 2-ethoxyethanol : A hydroxyether that is the ethyl ether derivative of ethylene glycol. | 1.97 | 1 | 0 | glycol ether; primary alcohol | protic solvent; teratogenic agent |
obidoxime chloride Obidoxime Chloride: Cholinesterase reactivator occurring in two interchangeable isomeric forms, syn and anti. | 3.37 | 7 | 0 | | |
dicofol Dicofol: An organochlorine insecticide.. dicofol : A tertiary alcohol that is DDT in which the benzylic hydrogen has been replaced by a hydroxy group. | 2.7 | 3 | 0 | monochlorobenzenes; organochlorine acaricide; tertiary alcohol | |
bromcresol purple Bromcresol Purple: An indicator and reagent. It has been used for several purposes including the determination of serum albumin concentrations. bromocresol purple : A member of the class of 2,1-benzoxathioles that is 2,1-benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 3-bromo-4-hydroxy-5-methylphenyl groups. A hydrophilic dye that is used as a pH indicator and to measure serum albumin concentrations. | 2.01 | 1 | 0 | 2,1-benzoxathiole; arenesulfonate ester; organobromine compound; polyphenol; sultone | acid-base indicator; dye; two-colour indicator |
tetradifon tetradifon: acaricide; ovicide on deciduous fruits, citrus, cotton and other crops; structure. tetradifon : A sulfone that is diphenylsulfone in which one of the phenyl groups is substituted by chlorine at position 4, while the other is substituted by a chlorine at positions 2, 4, and 5. | 2.06 | 1 | 0 | monochlorobenzenes; organochlorine acaricide; sulfone; trichlorobenzene | |
pyridafenthion [no description available] | 1.96 | 1 | 0 | organic thiophosphate; organothiophosphate insecticide; pyridazinone | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
piperonal piperonal: has been used as a pediculicide; structure. piperonal : An arenecarbaldehyde that is 1,3-benzodioxole substituted by a formyl substituent at position 5. It has been isolated from Piper nigrum. | 2.03 | 1 | 0 | arenecarbaldehyde; benzodioxoles | fragrance; insect repellent; plant metabolite |
2,4-dichlorophenol 2,4-dichlorophenol: RN given refers to unlabeled parent+ cpd; structure. 2,4-dichlorophenol : A dichlorophenol that is phenol carrying chloro substituents at positions 2 and 4. | 2.1 | 1 | 0 | dichlorophenol | |
captan Captan: One of the phthalimide fungicides.. captan : A dicarboximide that is 3a,4,7,7a-tetrahydrophthalimide in which the hydrogen attached to the nitrogen is replaced by a trichloromethyl group. A non-systemic fungicide introduced in the 1950s, it is widely used for the control of fungal diseases in fruits, vegetables, and ornamental crops. | 2.89 | 4 | 0 | isoindoles; organochlorine compound; organosulfur compound; phthalimide fungicide | antifungal agrochemical |
folpet folpet : A member of the class of phthalimides that is phthalimide in which the hydrogen attached to the nitrogen is replaced by a trichloromethylthio group. An agricultural fungicide, it has been used to control mildew, leaf spot, and other diseases in crops sice the 1950s. | 2.03 | 1 | 0 | organochlorine compound; organosulfur compound; phthalimide fungicide | antifungal agrochemical |
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. | 3.35 | 7 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
potassium cyanide [no description available] | 1.97 | 1 | 0 | cyanide salt; one-carbon compound; potassium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; neurotoxin |
acridines Acridines: Compounds that include the structure of acridine.. acridine : A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom. | 1.95 | 1 | 0 | acridines; mancude organic heterotricyclic parent; polycyclic heteroarene | genotoxin |
thiazoles [no description available] | 2.39 | 2 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
hydrazine diamine : Any polyamine that contains two amino groups. | 2.4 | 2 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
disophenol disophenol: structure | 7.36 | 2 | 0 | 4-nitrophenols | |
paraoxon [no description available] | 5.66 | 25 | 0 | aryl dialkyl phosphate; organophosphate insecticide | EC 3.1.1.7 (acetylcholinesterase) inhibitor; mouse metabolite |
hemicholinium 3 Hemicholinium 3: A potent inhibitor of the high affinity uptake system for CHOLINE. It has less effect on the low affinity uptake system. Since choline is one of the components of ACETYLCHOLINE, treatment with hemicholinium can deplete acetylcholine from cholinergic terminals. Hemicholinium 3 is commonly used as a research tool in animal and in vitro experiments. | 1.94 | 1 | 0 | | |
bromacil bromacil: RN given refers to parent cpd; structure. bromacil : A racemate consisting of equimolar concentrations of (R)- and (S)-bromacil.. 5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione : A pyrimidone that is pyrimidine-2,4(1H,3H)-dione substituted by a bromo group at position 5, a butan-2-yl group at position 3 and a methyl group at position 6. | 2.05 | 1 | 0 | organobromine compound; pyrimidone | |
haloxon haloxon: structure | 2 | 1 | 0 | | |
linuron Linuron: A selective pre- and post-emergence herbicide. (From Merck Index, 11th ed). linuron : A member of the class of phenylureas that is N-methyl urea substituted by a methoxy group at position 1 and a 3,4-dichlorophenyl group at position 3. | 2.06 | 1 | 0 | dichlorobenzene; phenylureas | agrochemical; environmental contaminant; herbicide; xenobiotic |
galantamine Galantamine: A benzazepine derived from norbelladine. It is found in GALANTHUS and other AMARYLLIDACEAE. It is a cholinesterase inhibitor that has been used to reverse the muscular effects of GALLAMINE TRIETHIODIDE and TUBOCURARINE and has been studied as a treatment for ALZHEIMER DISEASE and other central nervous system disorders.. galanthamine : A benzazepine alkaloid isolated from certain species of daffodils. | 2.02 | 1 | 0 | benzazepine alkaloid fundamental parent; benzazepine alkaloid; organic heterotetracyclic compound; tertiary amino compound | antidote to curare poisoning; cholinergic drug; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; plant metabolite |
mipafox mipafox: structure | 1.97 | 1 | 0 | phosphoramide | |
benzenaminium, 4,4'-(3-oxo-1,5-pentanediyl)bis(n,n-dimethyl-n-2-propenyl-), dibromide Benzenaminium, 4,4'-(3-oxo-1,5-pentanediyl)bis(N,N-dimethyl-N-2-propenyl-), Dibromide: Proposed cholinesterase inhibitor. | 1.98 | 1 | 0 | | |
4-toluenesulfonyl fluoride 4-toluenesulfonyl fluoride: inhibitor of peptide hydrolases; structure in second source | 1.98 | 1 | 0 | | |
chlorfenvinphos Chlorfenvinphos: An organophosphorus cholinesterase inhibitor that is used as an insecticide and an acaricide. | 3.24 | 6 | 0 | dichlorobenzene; organic phosphate; organochlorine acaricide; organochlorine insecticide; organophosphate insecticide | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
methylguanidine Methylguanidine: A product of putrefaction. Poisonous.. methylguanidine : A guanidine in which one of the amino hydrogens of guanidine itself is substituted by a methyl group. | 1.95 | 1 | 0 | guanidines | EC 1.14.13.39 (nitric oxide synthase) inhibitor; metabolite; uremic toxin |
fusarium Fusarium: A mitosporic Hypocreales fungal genus, various species of which are important parasitic pathogens of plants and a variety of vertebrates. Teleomorphs include GIBBERELLA. | 2.35 | 2 | 0 | | |
cytisine [no description available] | 2.02 | 1 | 0 | alkaloid; bridged compound; lactam; organic heterotricyclic compound; secondary amino compound | nicotinic acetylcholine receptor agonist; phytotoxin; plant metabolite |
carvacrol carvacrol : A phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). | 2.21 | 1 | 0 | botanical anti-fungal agent; p-menthane monoterpenoid; phenols | agrochemical; antimicrobial agent; flavouring agent; TRPA1 channel agonist; volatile oil component |
mustard gas Mustard Gas: Severe irritant and vesicant of skin, eyes, and lungs. It may cause blindness and lethal lung edema and was formerly used as a war gas. The substance has been proposed as a cytostatic and for treatment of psoriasis. It has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP-85-002, 1985) (Merck, 11th ed).. bis(2-chloroethyl) sulfide : An ethyl sulfide that is diethyl sulfide in which a hydrogen from each of the terminal methyl groups is replaced by a chlorine. It is a powerful vesicant regulated under the Chemical Weapons Convention. | 2.04 | 1 | 0 | ethyl sulfide; organochlorine compound | alkylating agent; carcinogenic agent; vesicant |
echothiophate iodide Echothiophate Iodide: A potent, long-acting cholinesterase inhibitor used as a miotic in the treatment of glaucoma.. ecothiopate iodide : The iodide salt of ecothiopate. An irreversible acetylcholinesterase inhibitor, it is used an ocular antihypertensive in the treatment of open-angle glaucoma, particularly when other drugs have proved inadequate. | 2.38 | 2 | 0 | iodide salt; quaternary ammonium salt | antiglaucoma drug; EC 3.1.1.8 (cholinesterase) inhibitor; miotic |
dithiazanine Dithiazanine: 3-Ethyl-2-(5-(3-ethyl-2-benzothiazolinylidene)-1,3- pentadienyl)benzothiazolium. A benzothiazole that was formerly used as an antinematodal agent and is currently used as a fluorescent dye.. dithiazanine : A cationic C3-cyanine dye with 3-ethylbenzothiazol-2-yl groups at both ends. | 1.95 | 1 | 0 | benzothiazoles; benzothiazolium ion | anthelminthic drug; fluorochrome |
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. | 4.18 | 16 | 0 | dialdehyde | biomarker |
bis(chloromethyl) ether Bis(Chloromethyl) Ether: A substance that is an irritant to the eyes and respiratory tract and may be carcinogenic.. bis(chloromethyl) ether : An ether that is dimethyl ether in which one of the hydrogens attached to each of the methyl group has replaced by a chlorine. | 1.95 | 1 | 0 | ether; organochlorine compound | alkylating agent; carcinogenic agent |
triethylenephosphoramide Triethylenephosphoramide: An insect chemosterilant and an antineoplastic agent. | 3.04 | 1 | 0 | phosphoramide | |
lucanthone hydrochloride Schistosomicides: Agents that act systemically to kill adult schistosomes. | 1.96 | 1 | 0 | | |
gentian violet Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.. crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. | 2.15 | 1 | 0 | organic chloride salt | anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; 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. | 2.07 | 1 | 0 | hydrochloride | acid-base indicator; dye; two-colour indicator |
1,1-dichloropropene 1,1-dichloropropene: structure in first source | 2.01 | 1 | 0 | | |
allethrins Allethrins: Synthetic analogs of the naturally occurring insecticides cinerin, jasmolin, and pyrethrin. (From Merck Index, 11th ed) | 1.95 | 1 | 0 | cyclopropanecarboxylate ester | pyrethroid ester insecticide |
glycopyrrolate Glycopyrrolate: A muscarinic antagonist used as an antispasmodic, in some disorders of the gastrointestinal tract, and to reduce salivation with some anesthetics.. glycopyrronium bromide : A quaternary ammonium salt composed of 3-{[cyclopentyl(hydroxy)phenylacetyl]oxy}-1,1-dimethylpyrrolidin-1-ium and bromide ions in a 1:1 ratio. | 2.42 | 2 | 0 | organic bromide salt; quaternary ammonium salt | |
nitrosomethylurethane Nitrosomethylurethane: An alkylating carcinogen that produces gastrointestinal and probably lung and nervous system tumors. | 1.95 | 1 | 0 | carboxylic 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. | 7.73 | 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 |
nitrosoguanidines Nitrosoguanidines: Nitrosylated derivatives of guanidine. They are used as MUTAGENS in MOLECULAR BIOLOGY research. | 2.64 | 3 | 0 | | |
methylnitrosourea Methylnitrosourea: A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.. N-methyl-N-nitrosourea : A member of the class of N-nitrosoureas that is urea in which one of the nitrogens is substituted by methyl and nitroso groups. | 1.97 | 1 | 0 | N-nitrosoureas | alkylating agent; carcinogenic agent; mutagen; teratogenic agent |
phosmet Phosmet: An organothiophosphorus insecticide that has been used to control pig mange. | 2 | 1 | 0 | organic thiophosphate; organothiophosphate insecticide; phthalimides | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
dimethyl phosphate dimethyl phosphate: excreted in urine after exposure to mevinphos; RN given refers to parent cpd; structure | 2.93 | 4 | 0 | dialkyl phosphate | |
4-nitrophenyl acetate [no description available] | 2.05 | 1 | 0 | C-nitro compound; phenyl acetates | |
naphthyl acetate naphthyl acetate: do not confuse with naphthaleneacetic acid; acetic acid ester of naphthol | 2.05 | 1 | 0 | | |
demeton-s-methyl [no description available] | 1.96 | 1 | 0 | organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
fonofos Fonofos: An organothiophosphorus cholinesterase inhibitor that is used as an insecticide. | 1.95 | 1 | 0 | organic thiophosphate; organothiophosphate insecticide | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
methylparaoxon [no description available] | 2.93 | 4 | 0 | C-nitro compound | |
deoxycytidine [no description available] | 1.95 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
azinphosmethyl oxon azinphosmethyl oxon: azinphosmethyl metabolite | 2.15 | 1 | 0 | | |
diazoxon diazoxon: a pesticide; structure. diazoxon : An organic phosphate that is diethyl hydrogen phosphate in which the hydrogen of the hydroxy group has been replaced by a 6-methyl-2-(propan-2-yl)pyrimidin-4-yl group. It is a metabolite of the pesticide diazinon. | 2.41 | 1 | 0 | organic phosphate; pyrimidines | marine xenobiotic metabolite |
semeron [no description available] | 2.05 | 1 | 0 | 1,3,5-triazines | |
simetryn simetryn : A diamino-1,3,5-triazine that is N,N'-diethyl-1,3,5-triazine-2,4-diamine substituted by a methylthio group at position 6. | 2.05 | 1 | 0 | diamino-1,3,5-triazine; methylthio-1,3,5-triazine | herbicide |
dimethoxon dimethoxon: pesticide | 3.77 | 10 | 0 | organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
pyridine-2-carboxaldehyde pyridine-2-carboxaldehyde: structure in first source. 2-formylpyridine : A pyridinecarbaldehyde that is pyridine in which the hydrogen at position 2 is replaced by a formyl group. | 2.1 | 1 | 0 | pyridinecarbaldehyde | |
cupric sulfide copper(II) sulfide : A copper sulfide in which the metal is in the +2 oxidation state. | 2.25 | 1 | 0 | | |
chondocurine chondocurine: inhibits quick death of mice treated with bacillus Calmetta Guerin & elicited with lipopolysaccharide; structure given in first source | 2 | 1 | 0 | | |
d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 4.21 | 5 | 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 |
malaoxon malaoxon: minor descriptor (72-83); on-line & Index Medicus search MALATHION/AA (72-83). malaoxon : A racemate comprising equimolar amounts of (R) and (S)-malaoxon. It is the active insecticide of the proinsecticide malathion.. diethyl 2-[(dimethoxyphosphoryl)thio]succinate : A diester that is diethyl succinate in which position 2 is substituted by a (dimethoxyphosphoryl)thio group. | 2.49 | 2 | 0 | diester; ethyl ester; organic thiophosphate | |
tetrachloroisophthalonitrile tetrachloroisophthalonitrile: structure. chlorothalonil : A dinitrile that is benzene-1,3-dicarbonitrile substituted by four chloro groups. A non-systemic fungicide first introduced in the 1960s, it is used to control a range of diseases in a wide variety of crops. | 2.6 | 1 | 0 | aromatic fungicide; dinitrile; tetrachlorobenzene | antifungal agrochemical |
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. | 2.89 | 3 | 0 | organic cation | geroprotector; herbicide |
dronabinol Dronabinol: A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer delta-9-tetrahydrocannabinol (THC) is considered the most active form, producing characteristic mood and perceptual changes associated with this compound.. Delta(9)-tetrahydrocannabinol : A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. The principal psychoactive constituent of the cannabis plant, it is used for treatment of anorexia associated with AIDS as well as nausea and vomiting associated with cancer chemotherapy. | 1.95 | 1 | 0 | benzochromene; diterpenoid; phytocannabinoid; polyketide | cannabinoid receptor agonist; epitope; hallucinogen; metabolite; non-narcotic analgesic |
2,4-d amine 2,4-D amine: (1:1) combination of above cpds | 2.17 | 1 | 0 | | |
aminocarb aminocarb: structure. aminocarb : A carbamate ester that is phenyl methylcarbamate substituted by a dimethylamino group at position 4 and a methyl group at position 3. | 1.97 | 1 | 0 | carbamate ester; toluenes | acaricide; agrochemical; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; molluscicide |
methiocarb Methiocarb: Insecticide, molluscacide, acaricide.. methiocarb : A carbamate ester obtained by the formal condensation of the phenolic group of 3,5-dimethyl-4-(methylsulfanyl)phenol with the carboxy group of methylcarbamic acid. | 2.6 | 1 | 0 | aryl sulfide; carbamate ester; methyl sulfide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; environmental contaminant; insecticide; molluscicide; xenobiotic |
phenylphosphonothioic acid, 2-ethyl 2-(4-nitrophenyl) ester Phenylphosphonothioic Acid, 2-Ethyl 2-(4-Nitrophenyl) Ester: An organothiophosphorus cholinesterase inhibitor that is used as an insecticide and as a acaricide. | 2.11 | 1 | 0 | organic phosphonate; organothiophosphate insecticide; phosphonic ester | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
bromophos bromophos: minor descriptor (72-83); on-line & Index Medicus search ORGANOTHIOPHOSPHORUS COMPOOUNDS (72) & INSECTICIDES (72) & INSECTICIDES, ORGANOTHIOPHOSPHATE (73-83); structure | 1.96 | 1 | 0 | organic thiophosphate | |
molinate molinate : A member of the class of azepanes that is azepane in which the nitrogen is substituted by an (ethylsulfanyl)carbonyl group, -C(=O)SEt. A thiocarbamate herbicide not approved for use in the U.S. or European Union, it is used control grass weeds in rice paddies. | 2 | 1 | 0 | azepanes; monothiocarbamic ester | agrochemical; antispermatogenic agent; herbicide |
fluorescein Fluorescein: A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.. fluorescein (lactone form) : A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy. | 2.01 | 1 | 0 | 2-benzofurans; gamma-lactone; organic heteropentacyclic compound; oxaspiro compound; polyphenol; xanthene dye | fluorescent dye; radioopaque medium |
thioflavin t thioflavin T: RN given refers to chloride; structure. thioflavine T : An organic chloride salt having 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium as the counterion. It is widely used to visualise and quantify the presence of amyloids, both in vitro and in vivo. | 7.04 | 1 | 0 | organic chloride salt | fluorochrome; geroprotector; histological dye |
phenthoate, (+-)-isomer phenthoate: RN given refers to cpd without isomeric designation; structure. phenthoate : An organic thiophosphate that is ethyl mandelate in which the hydroxy group has been replaced by a (dimethoxyphosphorothioyl)sulfanediyl group. | 2.17 | 1 | 0 | ethyl ester; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
trichlorometaphos-3 [no description available] | 1.97 | 1 | 0 | | |
fluorescein-5-isothiocyanate Fluorescein-5-isothiocyanate: Fluorescent probe capable of being conjugated to tissue and proteins. It is used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.. fluorescein 5-isothiocyanate : The 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques. | 2.04 | 1 | 0 | fluorescein isothiocyanate | |
dithiothreitol 1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 1.95 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol; butanediols; dithiol; glycol; thiol | chelator; human metabolite; reducing agent |
cue-lure [no description available] | 2.01 | 1 | 0 | benzoate ester; phenols | |
3-phenoxybenzoic acid 3-phenoxybenzoic acid: metabolite associated with exposure to pyrethroid insecticides. 3-phenoxybenzoic acid : A phenoxybenzoic acid in which the phenoxy group is meta to the carboxy group. It is a metabolite of pyrethroid insecticides. | 2.06 | 1 | 0 | phenoxybenzoic acid | human xenobiotic metabolite; marine xenobiotic metabolite |
bpmc BPMC: structure. fenobucarb : A carbamate ester obtained by the formal condensation of 2-sec-butylphenol with methylcarbamic acid. | 2 | 1 | 0 | carbamate ester | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; environmental contaminant; herbicide; insecticide |
streptomycin [no description available] | 7.64 | 3 | 0 | antibiotic antifungal drug; antibiotic fungicide; streptomycins | antibacterial drug; antifungal agrochemical; antimicrobial agent; antimicrobial drug; bacterial metabolite; protein synthesis inhibitor |
acetylthiocholine Acetylthiocholine: An agent used as a substrate in assays for cholinesterases, especially to discriminate among enzyme types. | 2.76 | 3 | 0 | | |
raspberry ketone rheosmin: an NSAID that blocks NF-kappaB activation; isolated from Pinus densiflora; structure in first source. raspberry ketone : A ketone that is 4-phenylbutan-2-one in which the phenyl ring is substituted at position 4 by a hydroxy group. It is found in a variety of fruits including raspberries, blackberries and cranberries, and is used in perfumery and cosmetics. | 2.53 | 2 | 0 | methyl ketone; phenols | androgen antagonist; cosmetic; flavouring agent; fragrance; hepatoprotective agent; metabolite |
chlorpyrifos-methyl chlorpyrifos-methyl : An organic thiophosphate that is O,O-dimethyl hydrogen phosphorothioate in which the hydrogen of the hydroxy group has been replaced by a 3,5,6-trichloropyridin-2-yl group. | 1.96 | 1 | 0 | chloropyridine; organic thiophosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; environmental contaminant; insecticide; xenobiotic |
o,o-diethyl o-3,5,6-trichloro-2-pyridyl phosphate [no description available] | 2.99 | 4 | 0 | | |
n-methylaspartate N-Methylaspartate: An amino acid that, as the D-isomer, is the defining agonist for the NMDA receptor subtype of glutamate receptors (RECEPTORS, NMDA).. N-methyl-D-aspartic acid : An aspartic acid derivative having an N-methyl substituent and D-configuration. | 2.03 | 1 | 0 | amino dicarboxylic acid; D-alpha-amino acid; D-aspartic acid derivative; secondary amino compound | neurotransmitter agent |
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. | 1.97 | 1 | 0 | elemental mercury; zinc group element atom | neurotoxin |
platinum Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 7.21 | 1 | 0 | elemental platinum; nickel group element atom; platinum group metal atom | |
terbium Terbium: An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 65, and atomic weight 158.92. | 2.15 | 1 | 0 | f-block element atom; lanthanoid atom | |
titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 8.3 | 6 | 0 | titanium group element atom | |
cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 3.5 | 8 | 0 | cadmium molecular entity; zinc group element atom | |
cerium Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications. | 2.13 | 1 | 0 | f-block element atom; lanthanoid atom | |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 7.78 | 3 | 0 | copper group element atom; elemental gold | |
magnesium sulfate Magnesium Sulfate: A small colorless crystal used as an anticonvulsant, a cathartic, and an electrolyte replenisher in the treatment of pre-eclampsia and eclampsia. It causes direct inhibition of action potentials in myometrial muscle cells. Excitation and contraction are uncoupled, which decreases the frequency and force of contractions. (From AMA Drug Evaluations Annual, 1992, p1083). magnesium sulfate : A magnesium salt having sulfate as the counterion. | 7.46 | 2 | 0 | magnesium salt; metal sulfate; organic magnesium salt | anaesthetic; analgesic; anti-arrhythmia drug; anticonvulsant; calcium channel blocker; cardiovascular drug; fertilizer; tocolytic agent |
mercuric chloride Mercuric Chloride: Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.. mercury dichloride : A mercury coordination entity made up of linear triatomic molecules in which a mercury atom is bonded to two chlorines. Water-soluble, it is highly toxic. Once used in a wide variety of applications, including preserving wood and anatomical specimens, embalming and disinfecting, as an intensifier in photography, as a mordant for rabbit and beaver furs, and freeing gold from lead, its use has markedly declined as less toxic alternatives have been developed. | 2.04 | 1 | 0 | mercury coordination entity | sensitiser |
copper sulfate Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.. copper(II) sulfate : A metal sulfate compound having copper(2+) as the metal ion. | 2.47 | 2 | 0 | metal sulfate | emetic; fertilizer; sensitiser |
potassium dichromate Potassium Dichromate: Chromic acid (H2Cr2O7), dipotassium salt. A compound having bright orange-red crystals and used in dyeing, staining, tanning leather, as bleach, oxidizer, depolarizer for dry cells, etc. Medically it has been used externally as an astringent, antiseptic, and caustic. When taken internally, it is a corrosive poison.. potassium dichromate : A potassium salt that is the dipotassium salt of dichromic acid. | 2.02 | 1 | 0 | potassium salt | allergen; oxidising agent; sensitiser |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.64 | 3 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
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. | 2.03 | 1 | 0 | deuterated compound; water | NMR solvent |
propham propham: minor descriptor (72-85); on-line & Index Medicus search HERBICIDES, CARBAMATE (72-85); RN given refers to parent cpd. propham : A carbamate ester that is the isopropyl ester of phenylcarbamic acid. It is a selective herbicide used for the control of annual grasses and some broad-leaf weeds and is also a growth regulator for control of sprouting in stored potatoes. | 2.06 | 1 | 0 | benzenes; carbamate ester | herbicide; plant growth retardant |
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. | 7.43 | 2 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
1,3-dichloro-1-propene 1,3-dichloro-1-propene: soil fumigant; RN given refers to cpd without isomeric designation; structure. 1,3-dichloropropene : A chloropropene with two chloro substituents at positions 1 and 3 respectively.. | 2.02 | 1 | 0 | | |
cadmium chloride Cadmium Chloride: A cadmium halide in the form of colorless crystals, soluble in water, methanol, and ethanol. It is used in photography, in dyeing, and calico printing, and as a solution to precipitate sulfides. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). cadmium dichloride : A cadmium coordination entity in which cadmium(2+) and Cl(-) ions are present in the ratio 2:1. Although considered to be ionic, it has considerable covalent character to its bonding. | 2.05 | 1 | 0 | cadmium coordination entity | |
carbendazim carbendazim: carcinogen when combined with sodium nitrite; principle metabolite of thiophanate methyl & benomyl; structure. carbendazim : A member of the class of benzimidazoles that is 2-aminobenzimidazole in which the primary amino group is substituted by a methoxycarbonyl group. A fungicide, carbendazim controls Ascomycetes, Fungi Imperfecti, and Basidiomycetes on a wide variety of crops, including bananas, cereals, cotton, fruits, grapes, mushrooms, ornamentals, peanuts, sugarbeet, soybeans, tobacco, and vegetables. | 2.07 | 1 | 0 | benzimidazole fungicide; benzimidazoles; benzimidazolylcarbamate fungicide; carbamate ester | antifungal agrochemical; antinematodal drug; metabolite; microtubule-destabilising agent |
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. | 8.3 | 6 | 0 | titanium oxides | food colouring |
quinalphos quinalphos: RN given refers to cpd with locant for quinoxalinyl group in position 2; structure | 1.99 | 1 | 0 | organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
3-phenoxybenzylalcohol (3-phenoxyphenyl)methanol : A member of the class of benzyl alcohols that is benzyl alcohol bearing a phenoxy substituent at C-3. It is a metbaolite of the insecticide permethrin. | 2.06 | 1 | 0 | aromatic ether; benzyl alcohols | marine xenobiotic metabolite |
levamisole Levamisole: An antihelminthic drug that has been tried experimentally in rheumatic disorders where it apparently restores the immune response by increasing macrophage chemotaxis and T-lymphocyte function. Paradoxically, this immune enhancement appears to be beneficial in rheumatoid arthritis where dermatitis, leukopenia, and thrombocytopenia, and nausea and vomiting have been reported as side effects. (From Smith and Reynard, Textbook of Pharmacology, 1991, p435-6). levamisole : A 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole that has S configuration. It is used (generally as the monohydrochloride salt) to treat parasitic worm infections in pigs, sheep and cattle and was formerly used in humans as an adjuvant to chemotherapy for the treatment of various cancers. It is also widely used as an adulterant to coccaine. | 3.56 | 9 | 0 | 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole | antinematodal drug; antirheumatic drug; EC 3.1.3.1 (alkaline phosphatase) inhibitor; immunological adjuvant; immunomodulator |
fluorides [no description available] | 2 | 1 | 0 | halide anion; monoatomic fluorine | |
leptophos Leptophos: An organothiophosphate insecticide.. leptophos : A racemate comprising equimolar amounts of (R)- and (S)-leptophos. It is an organothiophosphate insecticide that shows neurotoxic effect in humans.. O-(4-bromo-2,5-dichlorophenyl) O-methyl phenylphosphonothioate : An organic phosphonate that is phenylphosphonothioic O,O-acid in which the hydroxy groups are substituted by methoxy and 4-bromo-2,5-dichlorophenoxy groups. | 2.38 | 2 | 0 | bromobenzenes; dichlorobenzene; organic phosphonate; phosphonic ester | |
fenamiphos [no description available] | 2.68 | 3 | 0 | organophosphate insecticide; organophosphate nematicide; phosphoramidate ester | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
fenitrothion Fenitrothion: An organothiophosphate cholinesterase inhibitor that is used as an insecticide.. fenitrothion : An organic thiophosphate that is O,O-dimethyl O-phenyl phosphorothioate substituted by a methyl group at position 3 and a nitro group at position 4. | 5.32 | 18 | 0 | C-nitro compound; organic thiophosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; insecticide |
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. | 3.2 | 6 | 0 | benzenes; phenyl acetates | |
butonate butonate: structure | 8.05 | 5 | 0 | butyrate ester; fatty acid ester | |
tetrachloroethylene Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 1.95 | 1 | 0 | chlorocarbon; chloroethenes | nephrotoxic agent |
rafoxanide Rafoxanide: Veterinary anthelmintic for grazing animals; used to treat fluke, hookworm and other infestations. | 1.95 | 1 | 0 | | |
pirimicarb pirimicarb: structure. pirimicarb : An aminopyrimidine that is N,N,4,5-tetramethylpyrimidin-2-amine substituted by a (dimethylcarbamoyl)oxy group at position 4. | 7.1 | 1 | 0 | aminopyrimidine; carbamate ester; tertiary amino compound | agrochemical; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; environmental contaminant; insecticide; xenobiotic |
butachlor butachlor : An aromatic amide that is 2-choro-N-(2,6-diethylphenyl)acetamide in which the amide nitrogen has been replaced by a butoxymethyl group. | 7.02 | 1 | 0 | aromatic amide; organochlorine compound; tertiary carboxamide | environmental contaminant; herbicide; xenobiotic |
isofenphos [no description available] | 1.99 | 1 | 0 | isopropyl ester; organic phosphonate; organothiophosphate insecticide; phosphonic ester; salicylates | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
cambendazole Cambendazole: A nematocide effective against a variety of gastrointestinal parasites in cattle, sheep, and horses. | 2.65 | 3 | 0 | | |
triforine triforine: structure. triforine : A member of the class of N-alkylpiperazines in which the two amino groups of piperazine are replaced by 1-formamido-2,2,2-trichloroethyl groups. A fungicide active against a range of diseases including powdery mildew, scab and rust. | 1.98 | 1 | 0 | amide fungicide; formamides; N-alkylpiperazine; organochlorine compound | allergen; antifungal agrochemical; EC 1.14.13.70 (sterol 14alpha-demethylase) inhibitor |
pirimiphos methyl pirimiphos methyl: structure. pirimiphos-methyl : An organic thiophosphate that is O,O-dimethyl O-pyrimidin-4-yl phosphorothioate substituted by a methyl group at position 6 and a diethylamino group at position 2. | 2.42 | 2 | 0 | aminopyrimidine; organic thiophosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; environmental contaminant; insecticide |
clanobutin clanobutin: RN given refers to parent cpd; structure | 7.17 | 1 | 0 | benzamides | |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2.03 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
diflubenzuron Diflubenzuron: An insect growth regulator which interferes with the formation of the insect cuticle. It is effective in the control of mosquitoes and flies.. diflubenzuron : A benzoylurea insecticide that is urea in which a hydrogen attached to one of the nitrogens is replaced by a 4-chlorophenyl group, and a hydrogen attached to the other nitrogen is replaced bgy a 2,6-difluorobenzoyl group. | 2.05 | 1 | 0 | benzoylurea insecticide; monochlorobenzenes | insect sterilant |
thiocholine Thiocholine: A mercaptocholine used as a reagent for the determination of CHOLINESTERASES. It also serves as a highly selective nerve stain. | 2.57 | 2 | 0 | | |
pendimethalin pendimethalin : A member of the class of substituted anilines that is N-(pentan-3-yl)aniline bearing two additional nitro substituents at positions 2 and 6 as well as two methyl substituents at positions 3 and 4. A herbicide used to control most annual grasses and many annual broad-leaved weeds. | 7.03 | 1 | 0 | C-nitro compound; secondary amino compound; substituted aniline | agrochemical; environmental contaminant; herbicide |
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. | 7.13 | 1 | 0 | aromatic ether; hemiaminal ether; ketone; monochlorobenzenes; triazoles | |
vx VX nerve agent : A organic thiophosphate that is the ethyl ester of S-{2-[di(propan-2-yl)amino]ethyl} O hydrogen methylphosphonothioate. A toxic nerve agent used in chemical warfare. | 2 | 1 | 0 | organic thiophosphate; tertiary amino compound | EC 3.1.1.7 (acetylcholinesterase) inhibitor; neurotoxin |
hexazinone hexazinone: RN given refers to parent cpd; structure in first source | 2.05 | 1 | 0 | 1,3,5-triazines | |
permethrin hemoglobin Atlanta-Coventry: Leu replaced by Pro at beta75 and Leu deleted at beta141 | 4.16 | 16 | 0 | cyclopropanecarboxylate ester; cyclopropanes | agrochemical; ectoparasiticide; pyrethroid ester acaricide; pyrethroid ester insecticide; scabicide |
decamethrin decamethrin: pyrethroid insecticide; RN given refers to cpd without isomeric designation; structure | 3.76 | 10 | 0 | aromatic ether; cyclopropanecarboxylate ester; nitrile; organobromine compound | agrochemical; antifeedant; calcium channel agonist; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; pyrethroid ester insecticide |
3,3',5,5'-tetramethylbenzidine T1023: radioprotective NO-Synthase Inhibitor | 2.57 | 2 | 0 | | |
dibutylaminosulfenylcarbofuran dibutylaminosulfenylcarbofuran: RN given refers to cpd with unspecified thio moieties | 2.06 | 1 | 0 | 1-benzofurans; carbamate ester | acaricide; agrochemical; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; nematicide |
metalaxyl metalaxyl: RN given refers to (DL-Ala)-isomer. metalaxyl : A racemate comprising equal amounts of (R)- and (S)-metalaxyl. A systemic fungicide, it is active against phytopathogens of the order Peronosporales and is used to conrtrol Pythium in a number of vegetable crops.. methyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)alaninate : An alanine derivative that is methyl alaninate in which one of the hydrogens attached to the nitrogen is substituted by a methoxyacetyl group, while the other is substituted by a 2,6-dimethylphenyl group. | 2.08 | 1 | 0 | alanine derivative; aromatic amide; carboxamide; ether; methyl ester | |
fenpropathrin, (+-)-isomer fenpropathrin: RN given refers to cpd without isomeric designation. fenpropathrin : A cyclopropanecarboxylate ester obtained by formal condensation between 2,2,3,3-tetramethylcyclopropanecarboxylic acid and cyano(3-phenoxyphenyl)methanol. | 2.11 | 1 | 0 | aromatic ether; cyclopropanecarboxylate ester | agrochemical; pyrethroid ester acaricide; pyrethroid ester insecticide |
cyromazine cyromazine: RN given refers to parent cpd | 2.05 | 1 | 0 | triamino-1,3,5-triazine | mouse metabolite; triazine insecticide |
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. | 2.03 | 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 |
haloxyfop haloxyfop: RN given refers to parent cpd. haloxyfop : A racemate comprising equimolar amounts of haloxyfop-P (the more active, R enantiomer) and (S)-haloxyfop (the less active enantiomer). A post-emergence herbicide used to control annual and perennial grass weeds. Commercial use of the racemate was phased out in favour of the most active enantiomer, used as the proherbicide esters haloxyfop-P-methyl and haloxyfop-P-etotyl.. 2-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoic acid : A monocarboxylic acid that is 2-phenoxypropanoic acid in which the hydrogen at the para position of the phenyl ring has been replaced by a [3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy group. | 2.17 | 1 | 0 | aromatic ether; monocarboxylic acid; organochlorine compound; organofluorine compound; pyridines | |
lovastatin Lovastatin: A fungal metabolite isolated from cultures of Aspergillus terreus. The compound is a potent anticholesteremic agent. It inhibits 3-hydroxy-3-methylglutaryl coenzyme A reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES), which is the rate-limiting enzyme in cholesterol biosynthesis. It also stimulates the production of low-density lipoprotein receptors in the liver.. lovastatin : A fatty acid ester that is mevastatin carrying an additional methyl group on the carbobicyclic skeleton. It is used in as an anticholesteremic drug and has been found in fungal species such as Aspergillus terreus and Pleurotus ostreatus (oyster mushroom). | 1.96 | 1 | 0 | delta-lactone; fatty acid ester; hexahydronaphthalenes; polyketide; statin (naturally occurring) | anticholesteremic drug; antineoplastic agent; Aspergillus metabolite; prodrug |
zifrosilone zifrosilone: an acetylcholinesterase inhibitor; being developed as a possible treatment of Alzheimer's disease; structure given in first source | 2.11 | 1 | 0 | | |
simendan Simendan: A hydrazone and pyridazine derivative; the levo-form is a phosphodiesterase III inhibitor, calcium-sensitizing agent, and inotropic agent that is used in the treatment of HEART FAILURE. | 7.07 | 1 | 0 | | |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 7.02 | 1 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
heptenophos heptenophos: structure | 2.44 | 2 | 0 | organochlorine compound; organophosphate insecticide; trialkyl phosphate | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
trazodone hydrochloride Triticum: A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS.. trazodone hydrochloride : A hydrochloride salt prepared from equimolar amounts of trazodone and hydrogen chloride. | 3.58 | 9 | 0 | hydrochloride | adrenergic antagonist; antidepressant; H1-receptor antagonist; sedative; serotonin uptake inhibitor |
mevastatin mevastatin: antifungal metabolite from Penicillium brevicopactum; potent inhibitory activity to sterol synthesis; structure. mevastatin : A carboxylic ester that is pravastatin that is lacking the allylic hydroxy group. A hydroxymethylglutaryl-CoA reductase inhibitor (statin) isolated from Penicillium citrinum and from Penicillium brevicompactum, its clinical use as a lipid-regulating drug ceased following reports of toxicity in animals. | 1.96 | 1 | 0 | 2-pyranones; carboxylic ester; hexahydronaphthalenes; polyketide; statin (naturally occurring) | antifungal agent; apoptosis inducer; EC 3.4.24.83 (anthrax lethal factor endopeptidase) inhibitor; fungal metabolite; Penicillium metabolite |
ursolic acid [no description available] | 2 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | geroprotector; plant metabolite |
oseltamivir Oseltamivir: An acetamido cyclohexene that is a structural homolog of SIALIC ACID and inhibits NEURAMINIDASE.. oseltamivir : A cyclohexenecarboxylate ester that is the ethyl ester of oseltamivir acid. An antiviral prodrug (it is hydrolysed to the active free carboxylic acid in the liver), it is used to slow the spread of influenza. | 2.05 | 1 | 0 | acetamides; amino acid ester; cyclohexenecarboxylate ester; primary amino compound | antiviral drug; EC 3.2.1.18 (exo-alpha-sialidase) inhibitor; environmental contaminant; prodrug; xenobiotic |
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. | 1.96 | 1 | 0 | methylcytosine; pyrimidines | human metabolite |
o-(6)-methylguanine O-(6)-methylguanine: structure. 6-O-methylguanine : A methylguanine in which the methyl group is positioned on the oxygen at position 6. Formed in DNA by alkylation of the oxygen atom of guanine, most often by N-nitroso compounds and sometimes due to methylation by other compounds such as endogenous S-adenosylmethionine, it base-pairs to thymine rather than cytidine, causing a G:C to A:T transition in DNA.. methylguanine : A 2-aminopurine that is guanine bearing a single methyl substituent. | 2 | 1 | 0 | methylguanine | mutagen |
physostigmine heptyl physostigmine heptyl: RN given for (3aS-cis)-isomer; structure given in first source; possible use in therapy of Alzheimer's disease | 2.68 | 3 | 0 | | |
methyridine methyridine: veterinary anthelmintic & nematocide; minor descriptor (75-85); on-line & Index Medicus search PYRIDINES (75-85) | 3.33 | 1 | 1 | pyridines | |
bromosuccinimide Bromosuccinimide: A brominating agent that replaces hydrogen atoms in benzylic or allylic positions. It is used in the oxidation of secondary alcohols to ketones and in controlled low-energy brominations. (From Miall's Dictionary of Chemistry, 5th ed; Hawley's Condensed Chemical Dictionary, 12th ed,). | 2.07 | 1 | 0 | dicarboximide; organobromine compound; pyrrolidinone | reagent |
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.13 | 1 | 0 | 1,2,3-triazole | |
resorufin [no description available] | 2.25 | 1 | 0 | phenoxazine | |
cromakalim Cromakalim: A potassium-channel opening vasodilator that has been investigated in the management of hypertension. It has also been tried in patients with asthma. (Martindale, The Extra Pharmacopoeia, 30th ed, p352) | 2.17 | 1 | 0 | | |
azamethiphos [no description available] | 2.02 | 1 | 0 | organic thiophosphate; organochlorine acaricide; organochlorine insecticide; organothiophosphate insecticide | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
naftazone naftazone: RN given refers to 1,2-naphthoquinone monosemicarbazone cpd | 7.17 | 1 | 0 | | |
ceric oxide ceric oxide: RN given refers to cpd with MF CeO2. ceric oxide : A metal oxide with formula CeO2. It is used for polishing glass, in coatings for infra-red filters to prevent reflection, and as an oxidant and catalyst in organic synthesis. | 2.13 | 1 | 0 | cerium molecular entity; metal oxide | |
rivastigmine [no description available] | 2.02 | 1 | 0 | carbamate ester; tertiary amino compound | cholinergic drug; EC 3.1.1.8 (cholinesterase) inhibitor; neuroprotective agent |
di-n-butyl-2,2-dichlorovinyl phosphate [no description available] | 3.48 | 8 | 0 | | |
nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.68 | 3 | 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. | 2.05 | 1 | 0 | iditol | fungal metabolite |
isomalathion [no description available] | 2.03 | 1 | 0 | | |
pyridaben [no description available] | 2.45 | 2 | 0 | organochlorine acaricide; organochlorine insecticide; pyridazinone | mitochondrial NADH:ubiquinone reductase inhibitor |
glucuronic acid Glucuronic Acid: A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES.. D-glucuronic acid : The D-enantiomer of glucuronic acid.. D-glucopyranuronic acid : A D-glucuronic acid in cyclic pyranose form. | 2.05 | 1 | 0 | D-glucuronic acid | algal metabolite |
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. | 1.95 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
hydrogen sulfite [no description available] | 2.03 | 1 | 0 | sulfur oxoanion | human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
versiconal hemiacetal acetate versiconal hemiacetal acetate: intermediate in biosynthesis of aflatoxin B1; structure in first source. versiconal hemiacetal acetate : An anthrafuran that is 2,3-dihydroanthra[2,3-b]furan-5,10-dione substituted at positions 2, 4, 6 and 8 by hydroxy groups and at position 3 by a 2-acetoxyethyl group. An intermediate in the biosynthesis of aflatoxin. | 2.67 | 3 | 0 | acetate ester; anthrafuran; lactol; palmitoyl amino acid; polyphenol | metabolite |
deoxyglucose Deoxyglucose: 2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity.. deoxyglucose : A deoxyhexose comprising glucose having at least one hydroxy group replaced by hydrogen. | 1.99 | 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 |
s-methyl glutathione [no description available] | 1.97 | 1 | 0 | methyl sulfide; S-substituted glutathione; zwitterion | |
m 8218 M 8218: structure given in first source | 3 | 1 | 0 | | |
borneo Borneo: An island in the Malay Archipelago, east of Sumatra, north of Java, and west of Celebes. It is the third largest island in the world. Its name is a Portuguese alteration of BRUNEI, located on it. (From Webster's New Geographical Dictionary, 1988, p163; Room, Brewer's Dictionary of Names, 1992, p73) | 1.95 | 1 | 0 | organofluorine acaricide | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.93 | 4 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
versicolorins versicolorins: see also records for versicolorin A & versicolorin C; structure | 1.95 | 1 | 0 | | |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 2 | 1 | 0 | | |
paromomycin Paromomycin: An aminoglycoside antibacterial and antiprotozoal agent produced by species of STREPTOMYCES.. paromomycin : An amino cyclitol glycoside that is the 1-O-(2-amino-2-deoxy-alpha-D-glucopyranoside) and the 3-O-(2,6-diamino-2,6-dideoxy-beta-L-idopyranosyl)-beta-D-ribofuranoside of 4,6-diamino-2,3-dihydroxycyclohexane (the 1R,2R,3S,4R,6S diastereoisomer). It is obtained from various Streptomyces species. A broad-spectrum antibiotic, it is used (generally as the sulfate salt) for the treatment of acute and chronic intestinal protozoal infections, but is not effective for extraintestinal protozoal infections. It is also used as a therapeutic against visceral leishmaniasis. | 3.05 | 1 | 0 | amino cyclitol glycoside; aminoglycoside antibiotic | anthelminthic drug; antibacterial drug; antiparasitic agent; antiprotozoal drug |
amplex red Amplex Red: a component of the Amplex Red Hydrogen Peroxide Assay Kit | 2.25 | 1 | 0 | | |
biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 2.47 | 2 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
atropine tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3. | 4.72 | 30 | 0 | | |
organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 3.22 | 6 | 0 | divalent inorganic anion; phosphite ion | |
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. | 1.96 | 1 | 0 | aflatoxin; aromatic ether; aromatic ketone | carcinogenic agent; human metabolite |
prizes acetamiprid: structure in first source. (E)-acetamiprid : The (E)-stereoisomer of acetamiprid.. acetamiprid : A carboxamidine that is acetamidine in which the amino hydrogens are substituted by a (6-chloropyridin-3-yl)methyl and a methyl group while the hydrogen attached to the imino nitrogen is replaced by a cyano group. | 2.06 | 1 | 0 | carboxamidine; monochloropyridine; nitrile | environmental contaminant; neonicotinoid insectide; xenobiotic |
deoxycholic acid Deoxycholic Acid: A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent.. deoxycholic acid : A bile acid that is 5beta-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 12 respectively. | 2.17 | 1 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human blood serum metabolite |
3-nitrotyrosine 3-nitrotyrosine: RN given refers to parent cpd without isomeric designation. 3-nitrotyrosine : A nitrotyrosine comprising tyrosine having a nitro group at the 3-position on the phenyl ring. | 7.53 | 2 | 0 | 2-nitrophenols; C-nitro compound; nitrotyrosine; non-proteinogenic alpha-amino acid | |
permanganate [no description available] | 7.05 | 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. | 2.88 | 4 | 0 | | |
oxytocin Oxytocin: A nonapeptide hormone released from the neurohypophysis (PITUITARY GLAND, POSTERIOR). It differs from VASOPRESSIN by two amino acids at residues 3 and 8. Oxytocin acts on SMOOTH MUSCLE CELLS, such as causing UTERINE CONTRACTIONS and MILK EJECTION.. oxytocin : A cyclic nonapeptide hormone with amino acid sequence CYIQNCPLG that also acts as a neurotransmitter in the brain; the principal uterine-contracting and milk-ejecting hormone of the posterior pituitary. Together with the neuropeptide vasopressin, it is believed to influence social cognition and behaviour. | 3.04 | 1 | 0 | heterodetic cyclic peptide; peptide hormone | oxytocic; vasodilator agent |
strychnine Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.. strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. | 3.05 | 1 | 0 | monoterpenoid indole alkaloid; organic heteroheptacyclic compound | avicide; cholinergic antagonist; glycine receptor antagonist; neurotransmitter agent; rodenticide |
griseofulvin Griseofulvin: An antifungal agent used in the treatment of TINEA infections.. griseofulvin : An oxaspiro compound produced by Penicillium griseofulvum. It is used by mouth as an antifungal drug for infections involving the scalp, hair, nails and skin that do not respond to topical treatment. | 3.05 | 1 | 0 | 1-benzofurans; antibiotic antifungal drug; benzofuran antifungal drug; organochlorine compound; oxaspiro compound | antibacterial agent; Penicillium metabolite |
bacampicillin bacampicillin: ester prodrug that is hydrolyzed to ampicillin after its absorption from the gastrointestinal tract; RN given refers to parent cpd; structure. bacampicillin : A penicillanic acid ester that is the 1-ethoxycarbonyloxyethyl ester of ampicillin. It is a semi-synthetic, microbiologically inactive prodrug of ampicillin. | 1.98 | 1 | 0 | penicillanic acid ester | prodrug |
sodium arsenite sodium arsenite : An inoganic sodium salt with formula with formula NaAsO2. | 2.76 | 3 | 0 | arsenic molecular entity; inorganic sodium salt | antibacterial agent; antifungal agent; antineoplastic agent; carcinogenic agent; herbicide; insecticide; rodenticide |
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). | 3.05 | 1 | 0 | retinol; vitamin A | human metabolite; mouse metabolite; plant metabolite |
lycopene [no description available] | 7.13 | 1 | 0 | acyclic carotene | antioxidant; plant metabolite |
y 27632 Y 27632: RN given for di-HCl salt; inhibits Rho-associated protein kinase; inhibits calcium sensitization to affect smooth muscle relaxation; structure in first source. Y-27632 : A monocarboxylic acid amide that is trans-[(1R)-1-aminoethyl]cyclohexanecarboxamide in which one of the nitrogens of the aminocarbony group is substituted by a pyridine nucleus. It has been shown to exhibit inhibitory activity against Rho-associated protein kinase (ROCK) enzyme. | 2.45 | 2 | 0 | aromatic amide | |
gs 4071 GS 4071: The acid form.. oseltamivir acid : A cyclohexenecarboxylic acid that is cyclohex-1-ene-1-carboxylic acid which is substituted at positions 3, 4, and 5 by pentan-3-yloxy, acetamido, and amino groups, respectively (the 3R,4R,5S enantiomer). An antiviral drug, it is used as the corresponding ethyl ester prodrug, oseltamivir, to slow the spread of influenza. | 2.05 | 1 | 0 | acetate ester; amino acid; cyclohexenecarboxylic acid; primary amino compound | antiviral drug; EC 3.2.1.18 (exo-alpha-sialidase) inhibitor; marine xenobiotic metabolite |
sodium bicarbonate Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 7.69 | 3 | 0 | one-carbon compound; organic sodium salt | antacid; food anticaking agent |
bis(2,3,3,3-tetrachloropropyl) ether bis(2,3,3,3-tetrachloropropyl) ether: structure | 1.95 | 1 | 0 | | |
potassium fluoride potassium fluoride : A fluoride salt having K+ as the counterion. | 2 | 1 | 0 | fluoride salt; potassium salt | NMR chemical shift reference compound; poison |
4-nitrophenyl valerate 4-nitrophenyl valerate: structure in first source | 2.05 | 1 | 0 | | |
trimedlure trimedlure: structure given in first source | 2.54 | 2 | 0 | | |
anethole anethole: an isomer of estragole; structurally similar to CAPSAICIN; has some neurological and insecticidal and skin absorption effects; RN given refers to unspecified stereoisomer. anethole : A monomethoxybenzene that is methoxybenzene substituted by a prop-1-en-1-yl group at position 4.. trans-anethole : The trans-stereoisomer of anethole. | 2.01 | 1 | 0 | anethole | flavouring agent |
isomethyleugenol Methylation: Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) | 3.56 | 9 | 0 | isomethyleugenol | |
butylidenephthalide [no description available] | 2.06 | 1 | 0 | 2-benzofurans; gamma-lactone | EC 3.2.1.20 (alpha-glucosidase) inhibitor; hypoglycemic agent; metabolite |
n(6)-cyclopentyladenosine [no description available] | 2.02 | 1 | 0 | | |
pyrantel Pyrantel: A depolarizing neuromuscular-blocking agent, that causes persistent nicotinic activation resulting in spastic paralysis of susceptible nematodes. It is a drug of second-choice after benzimidazoles for treatment of ascariasis, hookworm, and pinworm infections, being effective after a single dose. (From Smith and Reynard, Textbook of Pharmacology, 1992, p920). pyrantel : A carboxamidine that is 1,4,5,6-tetrahydropyrimidine that is substituted at position 1 by a methyl group and at position 2 by an (E)-2-(2-thienyl)vinyl group. It is used, particularly as the embonate [4,4'-methylenebis(3-hydroxy-2-naphthoate)] salt, as an anthelmintic that is effective against intestinal nematodes including threadworms, roundworms and hookworms, and is included in the WHO 'Model List of Essential Medicines'. | 9.15 | 5 | 0 | 1,4,5,6-tetrahydropyrimidines; carboxamidine; thiophenes | antinematodal drug |
dieldrin Dieldrin: An organochlorine insecticide whose use has been cancelled or suspended in the United States. It has been used to control locusts, tropical disease vectors, in termite control by direct soil injection, and non-food seed and plant treatment. (From HSDB). dieldrin : An organochlorine compound resulting from the epoxidation of the double bond of aldrin. It is the active metabolite of the proinsecticde aldrin. | 10.26 | 10 | 0 | epoxide; organochlorine compound; organochlorine insecticide | carcinogenic agent; xenobiotic |
aflatoxin b aflatoxin B2: RN given refers to cpd without isomeric designation. aflatoxin B2 : An aflatoxin having a hexahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11. | 1.96 | 1 | 0 | aflatoxin | |
1-butyl-2,3-dimethylimidazolium 1-butyl-2,3-dimethylimidazolium: structure in first source | 2.05 | 1 | 0 | | |
1-butyl-3-methylimidazolium hexafluorophosphate 1-butyl-3-methylimidazolium hexafluorophosphate: structure in first source | 2.07 | 1 | 0 | | |
nadp [no description available] | 2.68 | 3 | 0 | | |
zineb Zineb: An agricultural fungicide of the dithiocarbamate class. It has relatively low toxicity and there is little evidence of human injury from exposure.. zineb : A polymeric complex of zinc with the ethylene bis(dithiocarbamate) anionic ligand. Formerly used as an agricultural fungicide for the control of downy mildews and rusts, its use is no longer permitted in the US or the EU. | 3.04 | 1 | 0 | dithiocarbamate salt; macromolecule; zinc coordination entity | antifungal agrochemical |
maneb Maneb: Manganese derivative of ethylenebisdithiocarbamate. It is used in agriculture as a fungicide and has been shown to cause irritation to the eyes, nose, skin, and throat.. maneb : A polymeric complex of manganese with the ethylene bis(dithiocarbamate) anionic ligand. An agrochemical fungicide, it is used to control a variety of diseases including blight, leaf spot, rust, downy mildew and scab. | 3.48 | 2 | 0 | | |
phosphamidon Phosphamidon: An organophosphate cholinesterase inhibitor that is used as an insecticide. | 9.57 | 8 | 0 | | |
sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 3.05 | 4 | 0 | organic sodium salt | detergent; protein denaturant |
1-butyl-3-methylpyridinium 1-butyl-3-methylpyridinium: structure in first source | 2.05 | 1 | 0 | | |
crocin crocin: a free radical scavenger | 7.13 | 1 | 0 | | |
mtt formazan MTT formazan: a blue MEM-insoluble mitochondrial byproduct; used to determine viability of cells with active mitochondrial dehydrogenase enzymes | 2.03 | 1 | 0 | | |
naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.17 | 1 | 0 | | |
quercetin [no description available] | 3.02 | 4 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger |
bilirubin [no description available] | 1.94 | 1 | 0 | biladienes; dicarboxylic acid | antioxidant; human metabolite; mouse metabolite |
sterigmatocystin [no description available] | 2.36 | 2 | 0 | sterigmatocystins | metabolite |
cholecalciferol Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 1.95 | 1 | 0 | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
pyrantel pamoate Pyrantel Pamoate: Broad spectrum antinematodal anthelmintic used also in veterinary medicine. | 3.23 | 6 | 0 | organic molecular entity | |
caffeic acid phenethyl ester phenethyl caffeate : An alkyl caffeate ester in which 2-phenylethyl is the alkyl component. | 7.13 | 1 | 0 | alkyl caffeate ester | anti-inflammatory agent; antibacterial agent; antineoplastic agent; antioxidant; antiviral agent; immunomodulator; metabolite; neuroprotective agent |
cyhalothrin cyhalothrin: acaricidal & insecticidal synthetic pyrethroid; structure given in first source. cyhalothrin : A carboxylic ester obtained by formal condensation between 3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropanecarboxylic acid and cyano(3-phenoxyphenyl)methanol. | 2.8 | 3 | 0 | aromatic ether; cyclopropanecarboxylate ester; nitrile; organochlorine compound; organofluorine compound | agrochemical; pyrethroid ester acaricide; pyrethroid ester insecticide |
hydramethylnon hydramethylnon: used as fire ant insecticide in southern USA; poorly absorbed by mammals & more than 95% is excreted unchanged in the feces. hydramethylnon : A member of the class of hydrazones that is used as an insecticide for control of ants and cockroaches. | 2.01 | 1 | 0 | hydramethylnon | |
coenzyme q10 coenzyme Q10: Ubiquinone ring with a chain of 10 isoprene units; redox equilibrium with ubiqunol serving in mitochondrial inner membrane to transfer electrons; presence during reconstitution of acetylcholine receptor into phospholipid vesicles yields vesicles active in catalyzing carbamylcholine-sensitive Na+ flux; coenzyme Q10 depletion has been noted with use of statins. coenzyme Q10 : A ubiquinone having a side chain of 10 isoprenoid units. In the naturally occurring isomer, all isoprenyl double bonds are in the E- configuration. | 3.03 | 4 | 0 | ubiquinones | antioxidant; ferroptosis inhibitor; human metabolite |
tetrachlorvinphos Tetrachlorvinphos: An organophosphate cholinesterase inhibitor that is used as an insecticide. It has low mammalian toxicity. (From Merck Index, 11th ed) | 3.47 | 8 | 0 | alkenyl phosphate; dialkyl phosphate; organochlorine insecticide; organophosphate insecticide; trichlorobenzene | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
morphine Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 3.78 | 3 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
3-(2,4-dimethoxybenzylidene)anabaseine 3-(2,4-dimethoxybenzylidene)anabaseine: an alpha7nAChR nicotinic receptor agonist | 2.13 | 1 | 0 | dimethoxybenzene | |
andrographolide [no description available] | 2 | 1 | 0 | carbobicyclic compound; gamma-lactone; labdane diterpenoid; primary alcohol; secondary alcohol | anti-HIV agent; anti-inflammatory drug; antineoplastic agent; metabolite |
ligustilide ligustilide: found in Umbelliferae plants; RN given refers to cpd without isomeric designation; structure in first source | 2.06 | 1 | 0 | butenolide | metabolite |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 1.97 | 1 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
mevinphos Mevinphos: An organophosphate cholinesterase inhibitor that is used as an insecticide. | 4.16 | 5 | 0 | | |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.25 | 1 | 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. | 3.05 | 1 | 0 | metal atom; pnictogen | |
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) | 4.07 | 4 | 0 | metalloid atom; pnictogen | micronutrient |
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2.72 | 3 | 0 | chalcogen; nonmetal atom | macronutrient |
methoprene Methoprene: Juvenile hormone analog and insect growth regulator used to control insects by disrupting metamorphosis. Has been effective in controlling mosquito larvae. | 7.38 | 2 | 0 | isopropyl 11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate; isopropyl ester | juvenile hormone mimic |
dicrotophos dicrotophos: RN given refers to cpd without isomeric designation; structure | 2.13 | 1 | 0 | dialkyl phosphate; organophosphate insecticide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
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. | 3.82 | 11 | 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 |
crotoxyphos crotoxyphos: structure | 2.37 | 2 | 0 | carboxylic ester | |
ecdysterone Ecdysterone: A steroid hormone that regulates the processes of MOLTING or ecdysis in insects. Ecdysterone is the 20-hydroxylated ECDYSONE.. 20-hydroxyecdysone : An ecdysteroid that is ecdysone substituted by a hydroxy group at position 20. | 1.97 | 1 | 0 | 14alpha-hydroxy steroid; 20-hydroxy steroid; 22-hydroxy steroid; 25-hydroxy steroid; 2beta-hydroxy steroid; 3beta-sterol; ecdysteroid; phytoecdysteroid | animal metabolite; plant 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 | 3 | 0 | cysteinium | fundamental metabolite |
silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 1.96 | 1 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
phosphorus Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 2.86 | 4 | 0 | monoatomic phosphorus; nonmetal atom; pnictogen | macronutrient |
thiamethoxam [no description available] | 2.06 | 1 | 0 | | |
diethyxime diethyxime: RN given refers to HCl; structure | 2.37 | 2 | 0 | | |
ammonium sulfate Ammonium Sulfate: Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins.. ammonium sulfate : An inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia. A high-melting (decomposes above 280degreeC) white solid which is very soluble in water (70.6 g/100 g water at 0degreeC; 103.8 g/100 g water at 100degreeC), it is widely used as a fertilizer for alkaline soils. | 1.97 | 1 | 0 | ammonium salt; inorganic sulfate salt | fertilizer |
bromfenvinphos bromfenvinphos: RN given refers to cpd without isomeric designation; structure | 1.96 | 1 | 0 | | |
octadecylsilane [no description available] | 6.96 | 1 | 0 | | |
diacetylmonoxime diacetylmonoxime: used diagnostically for determining urea in blood; structure; myosin ATPase antagonist. diacetylmonoxime : A ketoxime obtained via formal condensation of butane-2,3-dione with hydroxylamine. It is a reversible myosin ATPase inhibitor. | 1.97 | 1 | 0 | | |
dizocilpine maleate Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 2.43 | 2 | 0 | maleate salt; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
pyrantel tartrate Pyrantel Tartrate: Broad spectrum anthelmintic for livestock. | 6.96 | 1 | 0 | | |
grandlure grandlure: four components of boll weevil pheromone; cis-2-iso-propenyl-1-methylcyclobutaneethanol; 3,3-dimethyl-cyclohexaneethanol; 3,3-dimethyl-cyclohexaneacetaldehyde (Z) & (E) | 2.04 | 1 | 0 | | |
beta-escin [no description available] | 3.08 | 4 | 0 | | |
4-toluoyl chloride phenylhydrazone 4-toluoyl chloride phenylhydrazone: RN given refers to parent | 1.97 | 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. | 2.03 | 1 | 0 | | |
aldicarb Aldicarb: Carbamate derivative used as an insecticide, acaricide, and nematocide.. aldicarb : The oxime carbamate resulting from the addition of 2-methyl-2-(methylsulfanyl)propanaldoxime to methyl isocyanate. A member of the class of oxime carbamate insecticides, aldicarb is a mixture of E and Z isomers; it is not known which isomer is more active. | 4.45 | 7 | 0 | | |
phoxim phoxim: structure | 7.79 | 3 | 0 | | |
pymetrozine pymetrozine: an anti-feedant against aphids, whiteflies, and leaf hoppers. pymetrozine : A member of the class of 1,2,4-triazines that is 4,5-dihydro-1,2,4-triazin-3(2H)-one substituted by a methyl group at position 6 and a (pyridin-3-ylmethylidene)amino group at position 4. | 7.25 | 1 | 0 | 1,2,4-triazines; pyridines | antifeedant; environmental contaminant; TRPV channel modulator; xenobiotic |
oxamyl oxamyl: RN given refers to parent cpd; structure | 7.05 | 1 | 0 | | |
mocetinostat mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 2.21 | 1 | 0 | aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline | antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent |
zeolites [no description available] | 2.69 | 3 | 0 | | |
alpha-synuclein alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 2.05 | 1 | 0 | | |
mitoquinone mitoquinone: has antineoplastic activity | 2.06 | 1 | 0 | | |
emamectin benzoate emamectin benzoate: 4'-deoxy-4'-epi-methylamino derivative of avermectin B1; structure given in first source. emamectin : A mixture of emamectin B1a (major component) and emamectin B1b (minor component). | 2.13 | 1 | 0 | emamectins | |
doramectin [no description available] | 2 | 1 | 0 | macrolide | |
dextrothyroxine [no description available] | 3.51 | 8 | 0 | | |
scopolamine hydrobromide [no description available] | 2.02 | 1 | 0 | | |
acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 2.67 | 3 | 0 | | |
erythrosine Erythrosine: A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE.. erythrosin B : An organic sodium salt that is the disodium salt of 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydroxanthen-9-yl)benzoic acid. | 1.96 | 1 | 0 | | |
mefloquine Mefloquine: A phospholipid-interacting antimalarial drug (ANTIMALARIALS). It is very effective against PLASMODIUM FALCIPARUM with very few side effects.. mefloquine : A racemate composed of (+)-(11R,2'S)- and (-)-(11S,2'R)-enantiomers of mefloquine. An antimalarial agent which acts as a blood schizonticide; its mechanism of action is unknown. | 2.05 | 1 | 0 | | |
ants Ants: Insects of the family Formicidae, very common and widespread, probably the most successful of all the insect groups. All ants are social insects, and most colonies contain three castes, queens, males, and workers. Their habits are often very elaborate and a great many studies have been made of ant behavior. Ants produce a number of secretions that function in offense, defense, and communication. (From Borror, et al., An Introduction to the Study of Insects, 4th ed, p676) | 2.35 | 2 | 0 | | |
aflatoxin m1 Aflatoxin M1: A 4-hydroxylated metabolite of AFLATOXIN B1, one of the MYCOTOXINS from ASPERGILLUS tainted food. It is associated with LIVER damage and cancer resulting from its P450 activation to the epoxide which alkylates DNA. Toxicity depends on the balance of liver enzymes that activate it (CYTOCHROME P-450) and others that detoxify it (GLUTATHIONE S TRANSFERASE) (Pharmac Ther 50.443 1991). Primates & rat are sensitive while mouse and hamster are tolerant (Canc Res 29.236 1969).. aflatoxin M1 : A member of the class of aflatoxins that is aflatoxin B1 in which the hydrogen at position 9a is replaced by a hydroxy group. | 1.96 | 1 | 0 | aflatoxin; aromatic ether; aromatic ketone; tertiary alcohol | Aspergillus metabolite; human xenobiotic metabolite; mammalian metabolite |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.42 | 2 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
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. | 2.96 | 4 | 0 | | |
picogreen PicoGreen: a DNA-specific dye; has strong affinity for double-stranded DNA and is designed to quantify these molecules in solution; a UV-excitable dye; no further information available 6/96. PicoGreen : A cyanine dye that is 1-phenylquinoline which is substituted at position 2 by a bis[3-(dimethylamino)propyl]amino group and at position 4 by a (3-methyl-1,3-benzothiazol-3-ium-2-yl)methylene group. The counter ion is not stated. A fluorochrome that selectively binds double-stranded DNA and has characteristics similar to that of SYBR-Green I. | 2.07 | 1 | 0 | benzothiazoles; cyanine dye; quinolines; tertiary amine | fluorescent dye |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 1.95 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.11 | 1 | 0 | chlorophyll; methyl ester | cofactor |
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. | 3.2 | 5 | 0 | | |
calpain Calpain: Cysteine proteinase found in many tissues. Hydrolyzes a variety of endogenous proteins including NEUROPEPTIDES; CYTOSKELETAL PROTEINS; proteins from SMOOTH MUSCLE; CARDIAC MUSCLE; liver; platelets; and erythrocytes. Two subclasses having high and low calcium sensitivity are known. Removes Z-discs and M-lines from myofibrils. Activates phosphorylase kinase and cyclic nucleotide-independent protein kinase. This enzyme was formerly listed as EC 3.4.22.4. | 2 | 1 | 0 | | |
chitosan [no description available] | 2.11 | 1 | 0 | | |
sodium nitrite Sodium Nitrite: Nitrous acid sodium salt. Used in many industrial processes, in meat curing, coloring, and preserving, and as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines.. sodium nitrite : An inorganic sodium salt having nitrite as the counterion. Used as a food preservative and antidote to cyanide poisoning. | 1.97 | 1 | 0 | inorganic sodium salt; nitrite salt | antidote to cyanide poisoning; antihypertensive agent; antimicrobial food preservative; food antioxidant; poison |
sodium ethylxanthate Sex: The totality of characteristics of reproductive structure, functions, PHENOTYPE, and GENOTYPE, differentiating the MALE from the FEMALE organism. | 1.97 | 1 | 0 | | |
hygromycin b [no description available] | 1.96 | 1 | 0 | | |
versiconal versiconal: RN not in Chemline 7/83; structure. versiconal : A secondary metabolite that is an intermediate in the biosynthesis of afflatoxin. Can exist as both a tricyclic anthraquinone-hydroxyaldehyde form or as a tetracyclic anthrafuran form.. versiconal hemiacetal : An anthrafuran that is 2,3-dihydroanthra[2,3-b]furan-5,10-dione substituted at positions 2, 4, 6 and 8 by hydroxy groups and at position 3 by a 2-hydroxyethyl group. An intermediate in the biosynthesis of aflatoxin. | 7.88 | 4 | 0 | anthrafuran; lactol; versiconal | |
piperidines Piperidines: A family of hexahydropyridines. | 2.37 | 2 | 0 | | |
natriuretic peptide, brain Natriuretic Peptide, Brain: A PEPTIDE that is secreted by the BRAIN and the HEART ATRIA, stored mainly in cardiac ventricular MYOCARDIUM. It can cause NATRIURESIS; DIURESIS; VASODILATION; and inhibits secretion of RENIN and ALDOSTERONE. It improves heart function. It contains 32 AMINO ACIDS. | 2.05 | 1 | 0 | polypeptide | |
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. | 8.27 | 6 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
tetracycline Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 3.14 | 1 | 0 | | |
salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 2.15 | 1 | 0 | monohydroxybenzoate | plant metabolite |
warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 2.38 | 2 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
pyrethrins [no description available] | 13.34 | 36 | 1 | | |
versiconol acetate versiconol acetate: structure given in first source; RN given refers to (-)-isomer; RN for cpd without isomeric designation not avail 2/92. (3S)-versiconol acetate : An optically active form of versiconol acetate having 3S-configuration.. versiconol acetate : An acetate ester that is the O-acetyl derivative of versiconol. An intermediate in the biosynthesis of aflatoxin. | 2.4 | 2 | 0 | versiconol acetate | |
2-(2'-pyridyldithio)benzyldiazoacetate 2-(2'-pyridyldithio)benzyldiazoacetate: structure given in first source; isomeric probe | 2.05 | 1 | 0 | | |
imidacloprid (E)-imidacloprid : The E-isomer of imidacloprid. | 2.06 | 1 | 0 | imidacloprid; imidazolidines; monochloropyridine | environmental contaminant; genotoxin; neonicotinoid insectide; nicotinic acetylcholine receptor agonist; xenobiotic |
nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 3.21 | 6 | 0 | | |
bassianolide bassianolide: cyclodepsipeptide from mycelia of Beauveria bassiana; inhibits isotonic contractions induced by acetylcholine. bassianolide : A cyclodepsipeptide consisting of a cyclic tetramer of the depsipeptide D-Hiv-N-methyl-L-leucine (where D-Hiv = D-alpha-hydroxyisovaleric acid). Found in the fungal species Beauveria bassiana and Verticillium lecanii, it has insecticidal properties and is used as a commercial biopesticide to control of insects of agricultural, veterinary and medical significance. For elucidation of the structure, see Suzuki et al., Tetrahedron Lett. 1977 v25, 2167-2170. | 2.07 | 1 | 0 | cyclodepsipeptide; cyclooctadepsipeptide | antineoplastic agent; fungal metabolite; insecticide |
bacoside a bacoside A: from Bacopa monnieri; structure in first source | 3.08 | 4 | 0 | triterpenoid saponin | |
diospyros Diospyros: A plant genus of the family EBENACEAE, order Ebenales, subclass Dilleniidae, class Magnoliopsida best known for the edible fruit and the antibacterial activity and compounds of the wood. | 2.03 | 1 | 0 | | |
neferine neferine: isolated from green seed embryo of Nelumbo nucifera Gaertn | 7.01 | 1 | 0 | | |
aldrin Aldrin: A highly poisonous substance that was formerly used as an insecticide. The manufacture and use has been discontinued in the U.S. (From Merck Index, 11th ed). aldrin : An organochlorine compound resulting from the Diels-Alder reaction of hexachlorocyclopentadiene with norbornadiene. A proinsecticide (by epoxidation of the non-chlorinated double bond to give dieldrin), it was widely used as an insecticide before being banned in the 1970s as a persistent organic pollutant. | 2.35 | 2 | 0 | | |
exudates Malaysia: A parliamentary democracy with a constitutional monarch in southeast Asia, consisting of 11 states (West Malaysia) on the Malay Peninsula and two states (East Malaysia) on the island of BORNEO. It is also called the Federation of Malaysia. Its capital is Kuala Lumpur. Before 1963 it was the Union of Malaya. It reorganized in 1948 as the Federation of Malaya, becoming independent from British Malaya in 1957 and becoming Malaysia in 1963 as a federation of Malaya, Sabah, Sarawak, and Singapore (which seceded in 1965). The form Malay- probably derives from the Tamil malay, mountain, with reference to its geography. (From Webster's New Geographical Dictionary, 1988, p715 & Room, Brewer's Dictionary of Names, 1992, p329) | 2.35 | 2 | 0 | | |
deoxyguanosine [no description available] | 2.03 | 1 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanine [no description available] | 8.06 | 5 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
7-methylguanine 7-methylguanine: RN given refers to unlabeled cpd; structure. 7-methylguanine : A methylguanine that is guanine substituted by a methyl group at position 7. It is a metabolite obtained during the methylation of DNA.. 2-imino-7-methyl-1,2,3,7-tetrahydro-6H-purin-6-one : A 7-methylguanine that is 1,2,3,7-tetrahydro-6H-purin-6-one substituted by an imino group at position 2 and a methyl group at position 7.. 2-amino-7-methyl-7H-purin-6-ol : A 7-methylguanine that is 7H-purine substituted by an amino group at position 2, a methyl group at position 7 and a hydroxy group at position 6.. 2-amino-7-methyl-1,7-dihydro-6H-purin-6-one : A 7-methylguanine that is 1,7-dihydro-6H-purin-6-one substituted by an amino group at position 2 and a methyl group at position 7. | 2 | 1 | 0 | 7-methylguanine | |
pheophytin a pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S*,11S*),4beta,21beta))-isomer | 2.11 | 1 | 0 | | |
pralidoxime pralidoxime: RN given refers to parent cpd; chloride was minor descriptor (75-80); on-line & Index Medicus search PRALIDOXIME COMPOUNDS (66-80). pralidoxime : A pyridinium ion that is 1-methylpyridinium substituted by a (hydroxyimino)methyl group at position 2. | 4.03 | 14 | 0 | pyridinium ion | antidote to organophosphate poisoning; antidote to sarin poisoning; cholinergic drug; cholinesterase reactivator |
trypan blue Trypan Blue: A diazo-naphthalene sulfonate that is widely used as a stain.. trypan blue : An organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). | 2.02 | 1 | 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 | 2.88 | 4 | 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. | 2.03 | 1 | 0 | guanosines | biomarker |
asoxime chloride [no description available] | 2.76 | 3 | 0 | | |
febantel febantel: structure | 1.96 | 1 | 0 | aryl sulfide | |
imidacloprid imidacloprid: systemic & contact insecticide exhibiting low mammalian toxicity; structure given in first source; it is one of the neonicotinoid insecticides, which acts as an antagonist by binding to postsynaptic nicotinic receptors in the insect central nervous system. imidacloprid : An imidazolidine that is N-nitroimidazolidin-2-imine bearing a (6-chloro-3-pyridinyl)methyl substituent at position 1. | 7.8 | 3 | 0 | imidacloprid; imidazolidines; monochloropyridine | environmental contaminant; genotoxin; neonicotinoid insectide; nicotinic acetylcholine receptor agonist; xenobiotic |
trimedoxime bromide Trimedoxime: Cholinesterase reactivator used as an antidote in alkyl phosphate poisoning. | 3.1 | 5 | 0 | | |
avermectin avermectin: produced by actinomycete, Streptomyces avermitilis; structure; see also records for specific avermectins. avermectin : Any of the macrolides obtained as fermentation products from the bacterium Streptomyces avermitilis and consisting of a 16-membered macrocyclic backbone that is fused both benzofuran and spiroketal functions and contains a disaccharide substituent. They have significant anthelmintic and insecticidal properties. | 2.59 | 2 | 0 | | |
eye [no description available] | 7.04 | 1 | 0 | | |
aflatoxin m2 [no description available] | 1.96 | 1 | 0 | | |
metallothionein Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 2.07 | 1 | 0 | | |
phosphorus radioisotopes Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 2.37 | 2 | 0 | | |
pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 2.01 | 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. | 2.1 | 1 | 0 | | |