| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
2,5-dichlorophenol
2,5-dichlorophenol: structure given in first source. 2,5-dichlorophenol : A dichlorophenol with the chloro substituents at positions 2 and 5. | 2.47 | 2 | 0 | dichlorophenol | human xenobiotic metabolite |
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 1.99 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
benzene
[no description available] | 6.15 | 9 | 1 | aromatic annulene;
benzenes;
volatile organic compound | carcinogenic agent;
environmental contaminant;
non-polar solvent |
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. | 6.99 | 6 | 5 | carbon oxide;
gas molecular entity;
one-carbon compound | biomarker;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
human metabolite;
ligand;
metabolite;
mitochondrial respiratory-chain inhibitor;
mouse metabolite;
neurotoxin;
neurotransmitter;
P450 inhibitor;
probe;
signalling molecule;
vasodilator agent |
formic acid
formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 2.11 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.1 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
guaiacol
Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 3.37 | 7 | 0 | guaiacols | disinfectant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
expectorant;
plant metabolite |
hippuric acid
hippuric acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #4591. N-benzoylglycine : An N-acylglycine in which the acyl group is specified as benzoyl. | 2.76 | 3 | 0 | N-acylglycine | human blood serum metabolite;
uremic toxin |
n(g),n(g')-dimethyl-l-arginine
N,N-dimethylarginine: asymmetric dimethylarginine; do not confuse with N,N'-dimethylarginine | 2.15 | 1 | 0 | alpha-amino acid | |
dibenzofuran
Dibenzofurans: Compounds that include the structure of dibenzofuran.. dibenzofurans : Any organic heterotricyclic compound based on a dibenzofuran skeleton and its substituted derivatives thereof.. dibenzofuran : A mancude organic heterotricyclic parent that consists of a furan ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2.47 | 2 | 0 | dibenzofurans;
mancude organic heterotricyclic parent;
polycyclic heteroarene | xenobiotic |
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 | 1 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.05 | 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 |
glycerol
Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 3.45 | 1 | 1 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
naphthalene
[no description available] | 4.21 | 5 | 0 | naphthalenes;
ortho-fused bicyclic arene | apoptosis inhibitor;
carcinogenic agent;
environmental contaminant;
mouse metabolite;
plant metabolite;
volatile oil component |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.95 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
pentachlorophenol
PENTA: structure given in first source | 2.05 | 1 | 0 | aromatic fungicide;
chlorophenol;
organochlorine pesticide;
pentachlorobenzenes | human xenobiotic metabolite |
phenanthrene
phenanthrene : A polycyclic aromatic hydrocarbon composed of three fused benzene rings which takes its name from the two terms 'phenyl' and 'anthracene.' | 8.52 | 8 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon;
phenanthrenes | environmental contaminant;
mouse metabolite |
phenol
[no description available] | 2.55 | 2 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite |
phthalic acid
phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 2.13 | 1 | 0 | benzenedicarboxylic acid | human xenobiotic metabolite |
pyrazole
1H-pyrazole : The 1H-tautomer of pyrazole. | 1.99 | 1 | 0 | pyrazole | |
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). | 2.52 | 2 | 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. | 2.52 | 2 | 0 | sulfur oxide | Escherichia coli metabolite;
food bleaching agent;
refrigerant |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.07 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
3-methylcholanthrene
Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 6.99 | 1 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
4-nonylphenol
4-nonylphenol: structure in first source; see also record for nonylphenol. 4-nonylphenol : A member of the class of phenols that is phenol which is para-substituted with a nonyl group. | 2.03 | 1 | 0 | phenols | environmental contaminant |
p-aminohippuric acid
p-Aminohippuric Acid: The glycine amide of 4-aminobenzoic acid. Its sodium salt is used as a diagnostic aid to measure effective renal plasma flow (ERPF) and excretory capacity.. p-aminohippurate : A hippurate that is the conjugate base of p-aminohippuric acid, arising from deprotonation of the carboxy group.. p-aminohippuric acid : An N-acylglycine that is the 4-amino derivative of hippuric acid; used as a diagnostic agent in the measurement of renal plasma flow. | 1.98 | 1 | 0 | N-acylglycine | Daphnia magna metabolite |
benzo(a)pyrene
Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 4.97 | 37 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
beta-naphthoflavone
beta-Naphthoflavone: A polyaromatic hydrocarbon inducer of P4501A1 and P4501A2 cytochromes. (Proc Soc Exp Biol Med 1994 Dec:207(3):302-308). beta-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. | 7.01 | 1 | 0 | extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
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 |
dichlorodiphenyl dichloroethylene
Dichlorodiphenyl Dichloroethylene: An organochlorine pesticide, it is the ethylene metabolite of DDT. | 3.32 | 6 | 0 | chlorophenylethylene;
monochlorobenzenes | human xenobiotic metabolite;
persistent organic pollutant |
ddt
1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 3.34 | 6 | 0 | benzenoid aromatic compound;
chlorophenylethane;
monochlorobenzenes;
organochlorine insecticide | bridged diphenyl acaricide;
carcinogenic agent;
endocrine disruptor;
persistent organic pollutant |
methacrylic acid
methacrylic acid: RN given refers to parent cpd. methacrylic acid : An alpha,beta-unsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. | 2.11 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | |
papaverine
Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.. papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. | 7.21 | 1 | 0 | benzylisoquinoline alkaloid;
dimethoxybenzene;
isoquinolines | antispasmodic drug;
vasodilator agent |
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. | 1.99 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
thymidine
[no description available] | 2.02 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse metabolite |
piperonyl butoxide
[no description available] | 2.06 | 1 | 0 | benzodioxoles | pesticide synergist |
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. | 1.96 | 1 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
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. | 2.17 | 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. | 2.97 | 1 | 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 |
cyanides
Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 2.45 | 2 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
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. | 2.74 | 3 | 0 | tetrachlorophenol | xenobiotic metabolite |
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. | 1.98 | 1 | 0 | methanesulfonate ester | alkylating agent;
antineoplastic agent;
carcinogenic agent;
genotoxin;
mutagen;
teratogenic 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. | 2.11 | 1 | 0 | chloroethanes | polar solvent |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 1.98 | 1 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.31 | 1 | 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. | 2.15 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
acetylene
[no description available] | 1.99 | 1 | 0 | alkyne;
gas molecular entity;
terminal acetylenic compound | |
acetonitrile
acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2.11 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
trifluoroacetic acid
Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 2.06 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite;
NMR chemical shift reference compound;
reagent |
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. | 3.39 | 7 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
isoprene
isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 2.94 | 4 | 0 | alkadiene;
hemiterpene;
volatile organic compound | plant metabolite |
fluorene
[no description available] | 3.58 | 2 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon | |
2,4,6-trichlorophenol
[no description available] | 2.47 | 2 | 0 | trichlorophenol | carcinogenic agent |
1-naphthol
1-naphthol: RN given refers to parent cpd. 1-naphthol : A naphthol carrying a hydroxy group at position 1.. hydroxynaphthalene : Any member of the class of naphthalenes that is naphthalene carrying one or more hydroxy groups. | 4.39 | 20 | 0 | naphthol | genotoxin;
human xenobiotic metabolite |
2-phenylphenol
2-phenylphenol: RN given refers to parent cpd; structure. biphenyl-2-ol : A member of the class of hydroxybiphenyls that is biphenyl substituted by a hydroxy group at position 2. It is generally used as a post-harvest fungicide for citrus fruits. | 2.02 | 1 | 0 | hydroxybiphenyls | antifungal agrochemical;
environmental food contaminant |
2-naphthylamine
2-Naphthylamine: A naphthalene derivative with carcinogenic action.. 2-naphthylamine : A naphthylamine carrying the amino group at position 2. | 1.98 | 1 | 0 | naphthylamine | carcinogenic agent |
2-chlorophenol
chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms. | 2.03 | 1 | 0 | 2-halophenol;
monochlorophenol | |
2,4,5-trichlorophenol
2,4,5-trichlorophenol: RN given refers to parent cpd; structure. 2,4,5-trichlorophenol : A trichlorophenol carrying chloro groups at positions 2, 4 and 5. | 2.05 | 1 | 0 | trichlorophenol | |
ethylene dimethacrylate
ethylene glycol dimethacrylate : The enoate ester that is the 1,2-bis(methacryloyl) derivative of ethylene glycol. | 2.11 | 1 | 0 | enoate ester | allergen;
cross-linking reagent;
polymerisation monomer |
methylenebis(chloroaniline)
Methylenebis(chloroaniline): Aromatic diamine used in the plastics industry as curing agent for epoxy resins and urethane rubbers. It causes bladder, liver, lung, and other neoplasms.. 4,4'-methylene-bis-(2-chloroaniline) : A chloroaniline that consists of two 2-chloroaniline units joined by a methylene bridge. | 1.99 | 1 | 0 | chloroaniline | metabolite |
1,3-butadiene
buta-1,3-diene : A butadiene with unsaturation at positions 1 and 3. | 4.4 | 2 | 2 | butadiene | carcinogenic agent;
mutagen |
acrolein
[no description available] | 3.43 | 1 | 1 | enal | herbicide;
human xenobiotic metabolite;
toxin |
hexachlorobenzene
Hexachlorobenzene: An agricultural fungicide and seed treatment agent.. hexachlorobenzene : A member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. | 2.75 | 3 | 0 | aromatic fungicide;
chlorobenzenes | antifungal agrochemical;
carcinogenic agent;
persistent organic pollutant |
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. | 2.05 | 1 | 0 | dichlorophenol | |
uridine diphosphate glucose
Uridine Diphosphate Glucose: A key intermediate in carbohydrate metabolism. Serves as a precursor of glycogen, can be metabolized into UDPgalactose and UDPglucuronic acid which can then be incorporated into polysaccharides as galactose and glucuronic acid. Also serves as a precursor of sucrose lipopolysaccharides, and glycosphingolipids.. UDP-alpha-D-glucose : The alpha-anomer of UDP-alpha-D-glucose. It is used in nucleotide sugars metabolism. | 2.06 | 1 | 0 | UDP-D-glucose | fundamental metabolite |
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. | 6.65 | 49 | 1 | naphthol | antinematodal drug;
genotoxin;
human urinary metabolite;
human xenobiotic metabolite;
mouse metabolite;
radical scavenger |
4-tert-octylphenol
4-tert-octylphenol: structure given in first source | 2.03 | 1 | 0 | alkylbenzene | |
indeno(1,2,3-cd)pyrene
indeno(1,2,3-cd)pyrene: structure in first source | 2.17 | 1 | 0 | pyrenes | |
benzo(b)fluoranthene
benzo[b]fluoranthene : An ortho- and peri-fused polycyclic arene that consists of a benzene ring fused with a acephenanthrylene ring. | 2.05 | 1 | 0 | ortho- and peri-fused polycyclic arene | mutagen |
silicon carbide
silicon carbide: fibers used for reinforcement of porcelain crowns; a feldspathic body (gingival) porcelain; used to coat titanium hip prostheses | 1.98 | 1 | 0 | organosilicon compound | |
9-phenanthrol
9-phenanthrol: an inhibitor of AMP-dependent protein kinase catalytic subunit; structure in first source. 9-phenanthrol : A phenanthrol that is phenanthrene in which a hydrogen attached to a carbon in the central ring has been replaced by a hydroxy group. | 3.68 | 9 | 0 | phenanthrol | TRPM4 channel inhibitor |
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. | 3.47 | 7 | 0 | dialdehyde | biomarker |
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 3.54 | 2 | 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 |
c.i. 42510
Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. | 2.03 | 1 | 0 | | |
sodium hydroxide
Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.03 | 1 | 0 | alkali metal hydroxide | |
1-aminopyrene
[no description available] | 2.74 | 3 | 0 | | |
1,6-pyrenequinone
1,6-pyrenequinone: RN given refers to cpd with locants for oxo moiety in positions 1 & 6 | 2.07 | 1 | 0 | pyrenes | |
1,8-pyrenequinone
1,8-pyrenequinone: RN given refers to cpd with locants for oxo moiety in positions 1 & 8 | 2.07 | 1 | 0 | pyrenes | |
ethyl violet
ethyl violet: RN given refers to parent cpd. ethyl violet : An organic chloride salt that is the monochloride salt of ethyl violet cation. Used for inclusion in mixed dye solutions of the iron resorcin fuchsin type for demonstrating elastic fibres. | 7.03 | 1 | 0 | organic chloride salt | fluorochrome;
histological dye |
uridine diphosphate xylose
Uridine Diphosphate Xylose: The decarboxylation product of UDPglucuronic acid, which is used for formation of the xylosides of seryl hydroxyl groups in mucoprotein synthesis. Also forms plant xylans. | 2.06 | 1 | 0 | UDP-sugar | fundamental metabolite |
1-nitropyrene
[no description available] | 7.76 | 3 | 0 | nitroarene | carcinogenic agent |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.48 | 2 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
mercury
Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 2.46 | 2 | 0 | elemental mercury;
zinc group element atom | neurotoxin |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.78 | 3 | 0 | cadmium molecular entity;
zinc group element 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. | 2.57 | 2 | 0 | copper group element atom;
elemental gold | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.01 | 1 | 0 | dihydrogen | |
3-hydroxybenzo(a)pyrene
3-hydroxybenzo(a)pyrene: RN given refers to unlabeled parent cpd | 4.16 | 16 | 0 | ortho- and peri-fused polycyclic arene | |
n'-nitrosonornicotine
N'-nitrosonornicotine: structure; a potent carcinogen in laboratory animals | 7.08 | 1 | 0 | pyridines;
pyrrolidines | |
9-hydroxybenzo(a)pyrene
9-hydroxybenzo(a)pyrene: RN given refers to unlabeled parent cpd | 1.99 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
daunorubicin
Daunorubicin: A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and others, used in treatment of LEUKEMIA and other NEOPLASMS.. anthracycline : Anthracyclines are polyketides that have a tetrahydronaphthacenedione ring structure attached by a glycosidic linkage to the amino sugar daunosamine.. daunorubicin : A natural product found in Actinomadura roseola. | 1.98 | 1 | 0 | aminoglycoside antibiotic;
anthracycline;
p-quinones;
tetracenequinones | antineoplastic agent;
bacterial metabolite |
pyrene
pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 5.04 | 40 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe;
persistent organic pollutant |
9,10-dihydro-9,10-dihydroxybenzo(a)pyrene
9,10-dihydro-9,10-dihydroxybenzo(a)pyrene: RN given refers to cpd without isomeric designation | 1.99 | 1 | 0 | | |
glucaric acid
Glucaric Acid: A sugar acid derived from D-glucose in which both the aldehydic carbon atom and the carbon atom bearing the primary hydroxyl group are oxidized to carboxylic acid groups.. D-glucaric acid : The D-enantiomer of glucaric acid.. glucaric acid : A hexaric acid derived by oxidation of sugar such as glucose with nitric acid. | 6.98 | 1 | 0 | glucaric acid | antineoplastic agent |
4,5-dihydroxy-4,5-dihydrobenzo(a)pyrene
4,5-dihydroxy-4,5-dihydrobenzo(a)pyrene: RN given refers to cpd without isomeric designation | 1.99 | 1 | 0 | | |
6-hydroxychrysene
chrysen-6-ol : A hydroxychrysene that is chrysene in which the hydrogen at position 6 has been replaced by a hydroxy group. It is a metabolite of the polycyclic aromatic hydrocarbon chrysene. | 2.04 | 1 | 0 | hydroxychrysene | xenobiotic metabolite |
chlorodiphenyl (54% chlorine)
Chlorodiphenyl (54% Chlorine): A mixture of polychlorinated biphenyls that induces hepatic microsomal UDP-glucuronyl transferase activity towards thyroxine.. Aroclor 1254 : A mixture of polychlorobiphenyls of unspecified composition, containing 54% chlorine (X = Cl or H). | 1.97 | 1 | 0 | | |
7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide
7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide: 7,8,8a,9a-Tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. | 3.81 | 11 | 0 | epoxide | intercalator |
4-(n-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone
4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone: structure; from tobacco smoke | 4.4 | 2 | 2 | nitrosamine;
pyridines | |
fluoren-9-ol
fluoren-9-ol : A member of the class of hydroxyfluorenes that is 9H-fluorene substituted by a hydroxy group at position 9 (the non-aromatic carbon). | 2.17 | 1 | 0 | hydroxyfluorenes;
secondary alcohol | animal metabolite |
2-hydroxyfluorene
2-hydroxyfluorene: structure in first source | 8.74 | 9 | 0 | fluorenes | |
4-hydroxyphenanthrene
4-hydroxyphenanthrene: a metabolite of polycyclic aromatic hydrocarbon | 2.74 | 3 | 0 | phenanthrol | |
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. | 7.54 | 9 | 6 | 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. | 3.43 | 1 | 1 | iditol | fungal metabolite |
1-hydroxyphenanthrene
1-hydroxyphenanthrene: a metabolite of polycyclic aromatic hydrocarbon | 3.56 | 8 | 0 | phenanthrol | mouse metabolite |
hydrogen sulfite
[no description available] | 2.52 | 2 | 0 | sulfur oxoanion | human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
1-nitrosopyrene
1-nitrosopyrene: structure given in first source | 2.07 | 1 | 0 | | |
4-(methylnitrosamino)-1-(3-pyridyl)-1-butan-1-ol
4-(methylnitrosamino)-1-(3-pyridyl)-1-butan-1-ol: structure in first source. 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol : A member of the class of nitrosamines that is butan-1-ol substituted by a pyridin-3-yl group at position 1 and by a methyl(nitroso)amino group at position 4. It is a major metabolite of nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), which is a carcinogen found in tobacco and responsible for inducing lung cancer in smokers. | 6.94 | 7 | 4 | nitrosamine;
pyridines;
secondary alcohol | biomarker;
carcinogenic agent;
human urinary metabolite |
2-hydroxyethylvaline
2-hydroxyethylvaline: RN given refers to (DL)-isomer; RN for cpd without isomeric designation not available 11/88 | 1.98 | 1 | 0 | | |
s-(3-hydroxypropyl)cysteine n-acetate
[no description available] | 2.11 | 1 | 0 | N-acyl-L-amino acid | |
n,n-dimethylarginine
N,N-dimethylarginine: asymmetric dimethylarginine; do not confuse with N,N'-dimethylarginine. N(omega),N(omega)-dimethyl-L-arginine : A L-arginine derivative having two methyl groups both attached to the primary amino moiety of the guanidino group. | 2.15 | 1 | 0 | dimethylarginine;
guanidines;
L-arginine derivative;
non-proteinogenic L-alpha-amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
sauristolactam
sauristolactam: lactam of 10-aminomethyl-3-hydroxy-4-methoxyphenanthrene-1-carboxylic acid isolated from Saururus cernuus; structure given in first source | 1.99 | 1 | 0 | | |
glucose 6-(hydrogen sulfate)
glucose 6-(hydrogen sulfate): RN given refers to (D)-isomer | 2.03 | 1 | 0 | monosaccharide sulfate | |
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. | 2.97 | 1 | 0 | aflatoxin;
aromatic ether;
aromatic ketone | carcinogenic agent;
human metabolite |
adrenosterone
adrenosterone : A 3-oxo Delta(4)-steroid that is androst-4-ene carrying three oxo-substituents at positions 3, 11 and 17. | 2.08 | 1 | 0 | 11-oxo steroid;
17-oxo steroid;
3-oxo-Delta(4) steroid;
androstanoid | androgen;
EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor;
human urinary metabolite;
marine metabolite |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.47 | 2 | 0 | | |
ochratoxin a
ochratoxin A: structure in first source & in Merck, 9th ed, #6549. ochratoxin A : A phenylalanine derivative resulting from the formal condensation of the amino group of L-phenylalanine with the carboxy group of (3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carboxylic acid (ochratoxin alpha). It is among the most widely occurring food-contaminating mycotoxins, produced by Aspergillus ochraceus, Aspergillus carbonarius and Penicillium verrucosum. | 2.25 | 1 | 0 | isochromanes;
monocarboxylic acid amide;
N-acyl-L-phenylalanine;
organochlorine compound;
phenylalanine derivative | Aspergillus metabolite;
calcium channel blocker;
carcinogenic agent;
mycotoxin;
nephrotoxin;
Penicillium metabolite;
teratogenic agent |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.05 | 1 | 0 | cyclodextrin | |
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 6.86 | 82 | 0 | benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid | adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
diethylstilbestrol
Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed). diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. | 2.03 | 1 | 0 | olefinic compound;
polyphenol | antifungal agent;
antineoplastic agent;
autophagy inducer;
calcium channel blocker;
carcinogenic agent;
EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
endocrine disruptor;
xenoestrogen |
bromochloroacetic acid
Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process. | 2.03 | 1 | 0 | 2-bromocarboxylic acid;
monocarboxylic acid;
organochlorine compound | |
sorbic acid
Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 4.84 | 10 | 0 | alpha,beta-unsaturated monocarboxylic acid;
sorbic acid | |
cotinine
Cotinine: The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to tobacco SMOKING. It has CNS stimulating properties.. (-)-cotinine : An N-alkylpyrrolidine that consists of N-methylpyrrolidinone bearing a pyridin-3-yl substituent at position C-5 (the 5S-enantiomer). It is an alkaloid commonly found in Nicotiana tabacum. | 7.97 | 22 | 4 | N-alkylpyrrolidine;
pyridines;
pyrrolidin-2-ones;
pyrrolidine alkaloid | antidepressant;
biomarker;
human xenobiotic metabolite;
plant metabolite |
s-phenyl-n-acetylcysteine
S-phenyl-N-acetylcysteine: found in urine of rats exposed to benzene; RN given refers to (L)-isomer; RN for cpd without isomeric designation not available 4/88 | 3.54 | 2 | 0 | aryl sulfide;
S-substituted N-acetyl-L-cysteine | biomarker;
human urinary metabolite |
n-methyl-n-(tert-butyldimethylsilyl)trifluoroacetamide
N-(tert-butyldimethylsilyl)-N-methyltrifluoroacetamide : An N-silyl compound that is N-methyltrifluoroacetamide in which the amide nitrogen is replaced by a tert-butyldimethylsilyl group. | 2.06 | 1 | 0 | monocarboxylic acid amide;
N-silyl compound;
trifluoroacetamide | chromatographic reagent |
1,6-anhydro-beta-glucopyranose
1,6-anhydro-beta-glucopyranose: RN given refers to (beta-D)-isomer. levoglucosan : A anhydrohexose that is the 1,6-anhydro-derivative of beta-D-glucopyranose. | 2.08 | 1 | 0 | anhydrohexose | Arabidopsis thaliana metabolite;
biomarker;
human metabolite |
nadp
[no description available] | 2.08 | 1 | 0 | | |
nitrogen dioxide
Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface. | 2.73 | 3 | 0 | nitrogen oxide | |
dinoprost
Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 2.99 | 4 | 0 | monocarboxylic acid;
prostaglandins Falpha | human metabolite;
mouse metabolite |
hymecromone
Hymecromone: A coumarin derivative possessing properties as a spasmolytic, choleretic and light-protective agent. It is also used in ANALYTICAL CHEMISTRY TECHNIQUES for the determination of NITRIC ACID. | 2.06 | 1 | 0 | hydroxycoumarin | antineoplastic agent;
hyaluronic acid synthesis inhibitor |
entacapone
entacapone: structure given in first source. entacapone : A monocarboxylic acid amide that is N,N-diethylprop-2-enamide in which the hydrogen at position 2 is substituted by a cyano group and the hydrogen at the 3E position is substituted by a 3,4-dihydroxy-5-nitrophenyl group. | 2.02 | 1 | 0 | 2-nitrophenols;
catechols;
monocarboxylic acid amide;
nitrile | antidyskinesia agent;
antiparkinson drug;
central nervous system drug;
EC 2.1.1.6 (catechol O-methyltransferase) inhibitor |
8-epi-prostaglandin f2alpha
8-epi-prostaglandin F2alpha: a potent preglomerular vasoconstrictor acting principally through thromboxane A2 receptor activation. 8-epi-prostaglandin F2alpha : An isoprostane that is prostaglandin F2alpha having inverted stereochemistry at the 8-position. | 2.82 | 3 | 0 | F2-isoprostane | biomarker;
bronchoconstrictor agent;
vasoconstrictor agent |
11-ketotestosterone
11-ketotestosterone: RN given refers to cpd without isomeric designation. 11-oxotestosterone : A 3-oxo Delta(4)-steroid that is testosterone carrying an additional oxo substituent at position 11. | 2.03 | 1 | 0 | 11-oxo steroid;
17beta-hydroxy steroid;
3-oxo-Delta(4) steroid;
androstanoid | androgen;
human metabolite;
marine xenobiotic metabolite |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 3.32 | 6 | 0 | carbon group element atom;
elemental lead;
metal atom | neurotoxin |
8-oxo-7,8-dihydrodeoxyguanine
8-oxo-7,8-dihydrodeoxyguanine: structure given in first source | 2.01 | 1 | 0 | | |
muconic acid
muconic acid: a metabolite of benzene; reported to be a reliable indicator of occupational exposure to benzene; structure given in first source. trans,trans-muconic acid : The trans,trans-isomer of muconic acid. It is metabolite of benzene in humans and serves as a biomarker of occupational exposure to benzene.. muconic acid : A hexadienedioic acid with unsaturation at positions 2 and 4. | 4.84 | 10 | 0 | muconic acid | biomarker;
human xenobiotic metabolite |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 4.71 | 9 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
thallium
Thallium: A heavy, bluish white metal, atomic number 81, atomic weight [204.382; 204.385], symbol Tl.. thallium : A metallic element first identified and named from the brilliant green line in its flame spectrum (from Greek thetaalphalambdalambdaomicronsigma, a green shoot). | 2.15 | 1 | 0 | boron group element atom | |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 3.56 | 7 | 0 | metalloid atom;
pnictogen | micronutrient |
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]. | 7.05 | 1 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
boron
Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. | 7.5 | 2 | 0 | boron group element atom;
metalloid atom;
nonmetal atom | micronutrient |
n-(2-naphthalenesulfonyl)aspartyl-(2-phenethyl)amide
N-(2-naphthalenesulfonyl)aspartyl-(2-phenethyl)amide: structure given in first source; cholecystokinin receptor antagonist | 2.17 | 1 | 0 | | |
dimethylarginine
dimethylarginine: structure in first source. dimethylarginine : An arginine derivative that is arginine substituted by two methyl groups. A "closed" class. | 2.15 | 1 | 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. | 2.25 | 1 | 0 | aflatoxin;
aromatic ether;
aromatic ketone;
tertiary alcohol | Aspergillus metabolite;
human xenobiotic metabolite;
mammalian metabolite |
interleukin-8
Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 2.95 | 1 | 0 | | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 2.06 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
pyrethrins
[no description available] | 2.13 | 1 | 0 | | |
deoxyguanosine
[no description available] | 4.51 | 22 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
guanine
[no description available] | 2.43 | 2 | 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. | 2.04 | 1 | 0 | 7-methylguanine | |
8-hydroxy-2'-deoxyguanosine
8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 4.63 | 25 | 0 | guanosines | biomarker |
cholestyramine resin
Cholestyramine Resin: A strongly basic anion exchange resin whose main constituent is polystyrene trimethylbenzylammonium Cl(-) anion. | 2.1 | 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. | 3.09 | 5 | 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. | 5.76 | 32 | 0 | | |