| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
ethylene dichloride
ethylene dichloride: RN given refers to 1,2-isomer; structure given in first source. 1,2-dichloroethane : A member of the class of chloroethanes substituted by two chloro groups at positions 1 and 2. | 2.04 | 1 | 0 | chloroethanes | hepatotoxic agent;
mutagen;
non-polar solvent |
1,2,4-trichlorobenzene
1,2,4-trichlorobenzene : A trichlorobenzene with chloro substituents at positions 1, 2 and 4. | 2.04 | 1 | 0 | trichlorobenzene | |
benzene
[no description available] | 2.97 | 4 | 0 | 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. | 2.02 | 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 |
catechol
[no description available] | 2.06 | 1 | 0 | catechols | allelochemical;
genotoxin;
plant metabolite |
methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.59 | 2 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
salicylic acid
Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 2.06 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite |
octane
Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 2.04 | 1 | 0 | alkane | xenobiotic |
guaiacol
Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2.43 | 2 | 0 | guaiacols | disinfectant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
expectorant;
plant metabolite |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.21 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
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. | 2.08 | 1 | 0 | dithiolanes;
heterocyclic fatty acid;
thia fatty acid | fundamental metabolite;
geroprotector |
naphthalene
[no description available] | 3.83 | 11 | 0 | naphthalenes;
ortho-fused bicyclic arene | apoptosis inhibitor;
carcinogenic agent;
environmental contaminant;
mouse metabolite;
plant metabolite;
volatile oil component |
nickel
Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2.6 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
niacinamide
nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.04 | 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 |
orotic acid
Orotic Acid: An intermediate product in PYRIMIDINE synthesis which plays a role in chemical conversions between DIHYDROFOLATE and TETRAHYDROFOLATE.. orotic acid : A pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. | 2.04 | 1 | 0 | pyrimidinemonocarboxylic acid | Escherichia coli metabolite;
metabolite;
mouse metabolite |
4-aminobenzoic acid
4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group. | 2.04 | 1 | 0 | aminobenzoic acid;
aromatic amino-acid zwitterion | allergen;
Escherichia coli metabolite;
plant metabolite |
phenanthrene
phenanthrene : A polycyclic aromatic hydrocarbon composed of three fused benzene rings which takes its name from the two terms 'phenyl' and 'anthracene.' | 5.77 | 33 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon;
phenanthrenes | environmental contaminant;
mouse metabolite |
dimethyl sulfide
dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group. | 2.04 | 1 | 0 | aliphatic sulfide | algal metabolite;
bacterial xenobiotic metabolite;
EC 3.5.1.4 (amidase) inhibitor;
Escherichia coli metabolite;
marine metabolite |
thiamine
thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 2.04 | 1 | 0 | primary alcohol;
vitamin B1 | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.04 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
2-aminofluorene
[no description available] | 1.97 | 1 | 0 | | |
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. | 4.57 | 10 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
theophylline
[no description available] | 2.37 | 2 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
atrazine
[no description available] | 3.7 | 1 | 0 | chloro-1,3,5-triazine;
diamino-1,3,5-triazine | environmental contaminant;
herbicide;
xenobiotic |
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. | 7.59 | 67 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
dibenzothiophene
dibenzothiophene : A mancude organic heterotricyclic parent that consists of a thiophene ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2.11 | 1 | 0 | dibenzothiophenes;
mancude organic heterotricyclic parent | keratolytic drug |
ddt
1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 3.7 | 1 | 0 | benzenoid aromatic compound;
chlorophenylethane;
monochlorobenzenes;
organochlorine insecticide | bridged diphenyl acaricide;
carcinogenic agent;
endocrine disruptor;
persistent organic pollutant |
vitamin k 3
Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.04 | 1 | 0 | 1,4-naphthoquinones;
vitamin K | angiogenesis inhibitor;
antineoplastic agent;
EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor;
human urinary metabolite;
nutraceutical |
nitidine
nitidine: RN given refers to parent cpd; synonym NSC 146397 refers to chloride; structure | 1.98 | 1 | 0 | phenanthridines | |
4-dichlorobenzene
dichlorobenzene : Any member of the class of chlorobenzenes carrying two chloro groups at unspecified positions.. 1,4-dichlorobenzene : A dichlorobenzene carrying chloro groups at positions 1 and 4. | 2.04 | 1 | 0 | dichlorobenzene | insecticide |
phenobarbital
Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 7.67 | 3 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
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. | 2.04 | 1 | 0 | benzoate ester;
substituted aniline;
tertiary amino compound | central nervous system depressant;
drug allergen;
local anaesthetic;
peripheral nervous system drug |
urethane
[no description available] | 6.97 | 1 | 0 | carbamate ester | fungal metabolite;
mutagen |
thymidine
[no description available] | 1.97 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse metabolite |
1,2,5,6-dibenzanthracene
1,2,5,6-dibenzanthracene: RN given refers to parent cpd | 2.73 | 3 | 0 | ortho-fused polycyclic arene | mutagen |
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. | 6.93 | 1 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
carbon tetrachloride
Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.04 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
benz(a)anthracene
benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear NAPHTHACENES. tetraphene : An angular ortho-fused polycyclic arene consisting of four fused benzene rings. | 11.73 | 29 | 0 | ortho-fused polycyclic arene;
tetraphenes | |
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. | 2.05 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
9,10-dimethyl-1,2-benzanthracene
9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 2.9 | 4 | 0 | ortho-fused polycyclic arene;
tetraphenes | carcinogenic agent |
adenosine monophosphate
Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.04 | 1 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist;
cofactor;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
EC 3.1.3.11 (fructose-bisphosphatase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
1-naphthaldehyde
1-naphthaldehyde: structure. naphthaldehyde : An aldehyde in which the organyl group is a naphthyl group.. 1-naphthaldehyde : A naphthaldehyde with a formyl group at position 1. | 2.15 | 1 | 0 | naphthaldehyde | mouse metabolite |
dimethylformamide
Dimethylformamide: A formamide in which the amino hydrogens are replaced by methyl groups.. N,N-dimethylformamide : A member of the class of formamides that is formamide in which the amino hydrogens are replaced by methyl groups. | 2.15 | 1 | 0 | formamides;
volatile organic compound | geroprotector;
hepatotoxic agent;
polar aprotic solvent |
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. | 2.04 | 1 | 0 | chloroethanes | polar solvent |
ethyl chloride
Ethyl Chloride: A gas that condenses under slight pressure. Because of its low boiling point ethyl chloride sprayed on skin produces an intense cold by evaporation. Cold blocks nerve conduction. Ethyl chloride has been used in surgery but is primarily used to relieve local pain in sports medicine.. chloroethane : The simplest and least toxic member of the class of chloroethanes, that is ethane in which a single hydrogen is substituted by a chlorine. A colourless gas at room temperature and pressure (boiling point 12degreeC), it is used as a mild topical anaesthetic to numb the skin prior to ear piercing, skin biopsies, etc., and is also used in the treatment of sports injuries. It was formerly used in the production of tetraethyllead. | 2.04 | 1 | 0 | chloroethanes | antipruritic drug;
inhalation anaesthetic;
local anaesthetic |
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. | 2.05 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
tert-butyl alcohol
tert-Butyl Alcohol: An isomer of butanol that contains a tertiary butyl group that consists of three methyl groups, each separately attached to a central (tertiary) carbon.. tert-butanol : A tertiary alcohol alcohol that is isobutane substituted by a hydroxy group at position 2. | 2 | 1 | 0 | tertiary alcohol | human xenobiotic metabolite |
trichlorofluoromethane
trichlorofluoromethane: refrigerant, aerosol propellant; RN given refers to parent cpd; structure. trichlorofluoromethane : A one-carbon compound that is methane in which the hydrogens have been replaced by three chlorine and one fluorine atom. | 2.04 | 1 | 0 | chlorofluorocarbon;
halomethane | environmental contaminant;
NMR chemical shift reference compound;
NMR solvent;
refrigerant |
pentachloroethane
[no description available] | 2.04 | 1 | 0 | chloroethanes | non-polar solvent |
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. | 2.53 | 2 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
isopentane
[no description available] | 2.04 | 1 | 0 | alkane | refrigerant |
trichloroethylene
Trichloroethylene: A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment.. triol : A chemical compound containing three hydroxy groups. | 2.04 | 1 | 0 | chloroethenes | inhalation anaesthetic;
mouse metabolite |
1,1,2,2-tetrachloroethane
1,1,2,2-tetrachloroethane: see also record for tetrachloroethane. 1,1,2,2-tetrachloroethane : A member of the class of chloroethanes that is ethane substituted by chloro groups at positions 1, 1, 2 and 2. | 2.04 | 1 | 0 | chloroethanes | |
pantothenic acid
Pantothenic Acid: A butyryl-beta-alanine that can also be viewed as pantoic acid complexed with BETA ALANINE. It is incorporated into COENZYME A and protects cells against peroxidative damage by increasing the level of GLUTATHIONE.. pantothenic acid : A member of the class of pantothenic acids that is an amide formed from pantoic acid and beta-alanine.. vitamin B5 : Any member of a group of vitamers that belong to the chemical structural class called pantothenic acids that exhibit biological activity against vitamin B5 deficiency. Deficiency of vitamin B5 is rare due to its widespread distribution in whole grain cereals, legumes and meat. Symptoms associated with vitamin B5 deficiency are difficult to asses since they are subtle and resemble those of other B vitamin deficiencies. The vitamers include (R)-pantothenic acid and its ionized and salt forms.. (R)-pantothenate : A pantothenate that is the conjugate base of (R)-pantothenic acid, obtained by deprotonation of the carboxy group.. (R)-pantothenic acid : A pantothenic acid having R-configuration. | 2.04 | 1 | 0 | pantothenic acid;
vitamin B5 | antidote to curare poisoning;
geroprotector;
human blood serum metabolite |
1,8-naphthalenedicarboxylic acid anhydride
1,8-naphthalenedicarboxylic acid anhydride: used as seed protector from herbicides | 2.15 | 1 | 0 | cyclic dicarboxylic anhydride | |
acenaphthene
[no description available] | 2.43 | 2 | 0 | acenaphthenes | |
7,8-dimethyl-10-[(2R,3R,4S)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione
[no description available] | 2.04 | 1 | 0 | flavin | |
1-naphthoic acid
naphthoic acid : An aromatic carboxylic acid that consists of a naphthalene skeleton substituted by one or more carboxy groups. | 2.06 | 1 | 0 | naphthoic acid | bacterial xenobiotic metabolite;
fungal xenobiotic metabolite |
fluorene
[no description available] | 8.96 | 13 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon | |
1,2,3-trichlorobenzene
trichlorobenzene: commercial grade of trichlorobenzene containing 70% 1,2,4-trichlorobenzene & 30% 1,2,3-trichlorobenzene; see also record for 1,2,4-trichlorobenzene. trichlorobenzene : Any member of the class of chlorobenzenes carrying three chloro substituents at unspecified positions.. 1,2,3-trichlorobenzene : A trichlorobenzene carrying chloro substituents at positions 1, 2 and 3. | 2.04 | 1 | 0 | trichlorobenzene | |
hexamethylbenzene
hexamethylbenzene : A methylbenzene that is benzene in which all six hydrogens have been replaced by methyl groups. | 2.04 | 1 | 0 | methylbenzene | |
1-methylnaphthalene
1-methylnaphthalene : A methylnaphthalene carrying a methyl substituent at position 1. | 2.45 | 2 | 0 | methylnaphthalene | carcinogenic agent;
plant metabolite |
1-chloronaphthalene
1-chloronaphthalene: word preservative; in xylamon the active ingredient is 60% 1-chloronaphthalene; structure in Merck Index, 9th ed, #2126 | 2.04 | 1 | 0 | | |
decalin
decalin: RN given refers to cpd without isomeric designation; don't confuse with decaline which has a nitrogen at the juncture of the two rings;. trans-decalin : The trans-stereoisomer of decalin.. decalin : An ortho-fused bicyclic hydrocarbon that is the decahydro- derivative of naphthalene. | 2.05 | 1 | 0 | ortho-fused bicyclic hydrocarbon | solvent |
2-methylnaphthalene
2-methylnaphthalene: RN given refers to parent cpd. 2-methylnaphthalene : A methylnaphthalene carrying a methyl substituent at position 2. | 2.04 | 1 | 0 | methylnaphthalene | |
2-chloronaphthalene
2-chloronaphthalene: structure in first source | 2.04 | 1 | 0 | | |
naphthacene
tetracene : An acene that consists of four ortho-fused benzene rings in a rectilinear arrangement. | 2.74 | 3 | 0 | acene;
tetracenes | |
diphenyl
diphenyl: RN given refers to unlabeled cpd; structure | 2.45 | 2 | 0 | aromatic fungicide;
benzenes;
biphenyls | antifungal agrochemical;
antimicrobial food preservative |
2-xylene
2-xylene: RN given refers to parent cpd. o-xylene : A xylene substituted by methyl groups at positions 1 and 2. | 2.04 | 1 | 0 | xylene | |
2-chlorotoluene
2-chlorotoluene: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
2-dichlorobenzene
2-dichlorobenzene: structure. 1,2-dichlorobenzene : A dichlorobenzene carrying chloro substituents at positions 1 and 2. | 2.04 | 1 | 0 | dichlorobenzene | hepatotoxic agent;
metabolite |
1,2-diaminobenzene
1,2-diaminobenzene: RN given refers to parent cpd. 1,2-phenylenediamine : A phenylenediamine in which the two amino groups are ortho to each other. | 2.6 | 1 | 0 | phenylenediamine | hydrogen donor |
pseudocumene
1,2,4-trimethylbenzene : A trimethylbenzene carrying methyl groups at positions 1, 2 and 4. | 2.04 | 1 | 0 | trimethylbenzene | neurotoxin |
durene
durene: structure. durene : A tetramethylbenzene carrying methyl groups at positions 1, 2, 4 and 5. | 2.04 | 1 | 0 | tetramethylbenzene | |
1,2,4,5-tetrachlorobenzene
1,2,4,5-tetrachlorobenzene : A tetrachlorobenzene carrying chloro groups at positions 1, 2, 4 and 5. | 2.04 | 1 | 0 | tetrachlorobenzene | |
tert-butylbenzene
[no description available] | 2.04 | 1 | 0 | | |
cumene
cumene : An alkylbenzene that is benzene carrying an isopropyl group. | 2.04 | 1 | 0 | alkylbenzene | |
4-cymene
4-cymene: structure. p-cymene : A monoterpene that is toluene substituted by an isopropyl group at position 4. | 2.04 | 1 | 0 | monoterpene;
toluenes | human urinary metabolite;
plant metabolite;
volatile oil component |
ethylbenzene
[no description available] | 2.04 | 1 | 0 | alkylbenzene | |
boric acid
[no description available] | 2.03 | 1 | 0 | boric acids | astringent |
1,2-dihydrostilbene
1,2-dihydrostilbene: intermdiate in biosynthesis of dihydrophenanthrenes from phenylalanine. 1,2-dihydrostilbene : A diphenylethane that is the 1,2-dihydro derivative of stilbene. | 2.04 | 1 | 0 | diphenylethane | |
n-propylbenzene
n-propylbenzene: RN given refers to parent cpd. propylbenzene : An alkylbenzene that is benzene having one of its aromatic hydrogens substituted by a propyl group. | 2.04 | 1 | 0 | alkylbenzene | |
n-butylbenzene
butylbenzene : An alkylbenzene that is benzene substituted by a butyl group at position 1. | 2.04 | 1 | 0 | alkylbenzene | |
1,4-dibromobenzene
[no description available] | 2.04 | 1 | 0 | dibromobenzene | |
4-xylene
p-xylene : A xylene with methyl groups at positions 1 and 4. | 2.04 | 1 | 0 | xylene | |
4-chlorotoluene
4-chlorotoluene: RN given refers to unlabeled cpd | 2.04 | 1 | 0 | monochlorobenzenes | |
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. | 2.04 | 1 | 0 | bromoalkane;
bromohydrocarbon | algal metabolite;
carcinogenic agent;
fumigant;
marine metabolite;
mouse metabolite;
mutagen |
butane
butane : A straight chain alkane composed of 4 carbon atoms. | 2.04 | 1 | 0 | alkane;
gas molecular entity | food propellant;
refrigerant |
1-butene
but-1-ene : A butene with unsaturation at position 1. | 2.04 | 1 | 0 | butene | |
2-methylpentane
Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. | 2.04 | 1 | 0 | alkane | |
3-xylene
m-xylene : A xylene carrying methyl groups at positions 1 and 3. | 2.04 | 1 | 0 | xylene | |
mesitylene
mesitylene: structure. 1,3,5-trimethylbenzene : A trimethylbenzene carrying methyl substituents at positions 1, 3 and 5. | 2.04 | 1 | 0 | trimethylbenzene | |
1,3,5-trichlorobenzene
1,3,5-trichlorobenzene: structure in first source. 1,3,5-trichlorobenzene : A trichlorobenzene carrying chloro substituents at positions 1, 3 and 5. | 2.04 | 1 | 0 | trichlorobenzene | |
bromobenzene
[no description available] | 2.04 | 1 | 0 | bromoarene;
bromobenzenes;
volatile organic compound | hepatotoxic agent;
mouse metabolite;
non-polar solvent |
chlorobenzene
[no description available] | 2.04 | 1 | 0 | monochlorobenzenes | solvent |
pentane
Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 2.04 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
refrigerant |
1-pentene
1-pentene: structure in first source | 2.04 | 1 | 0 | | |
butyl chloride
butyl chloride: structure | 2.04 | 1 | 0 | | |
pyrroles
1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.01 | 1 | 0 | pyrrole;
secondary amine | |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.42 | 2 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
n-hexane
hexane : An unbranched alkane containing six carbon atoms. | 2.04 | 1 | 0 | alkane;
volatile organic compound | neurotoxin;
non-polar solvent |
cyclohexane
Cyclohexane: C6H12. cyclohexane : An alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic form of hexane, used as a raw material in the manufacture of nylon. | 2.44 | 2 | 0 | cycloalkane;
volatile organic compound | non-polar solvent |
cyclohexene
cyclohexene : A cycloalkene that is cylohexane with a single double bond. | 2.04 | 1 | 0 | cycloalkene | |
nonane
iotrochotin: toxin from the Caribbean sponge Iotrochota birotulata, which selectively permeabilizes synaptosomes. nonane : A straight chain alkane composed of 9 carbon atoms. | 2.04 | 1 | 0 | alkane | plant metabolite;
volatile oil component |
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. | 2.04 | 1 | 0 | aromatic fungicide;
chlorobenzenes | antifungal agrochemical;
carcinogenic agent;
persistent organic pollutant |
anthracene
acene : A polycyclic aromatic hydrocarbon consisting of fused benzene rings in a rectilinear arrangement.. acenes : Polycyclic aromatic hydrocarbons consisting of fused benzene rings in a rectilinear arrangement and their substitution derivatives. | 4.98 | 14 | 0 | acene;
anthracenes;
ortho-fused tricyclic hydrocarbon | |
1-naphthylamine
1-Naphthylamine: A suspected industrial carcinogen (and listed as such by OSHA). Its N-hydroxy metabolite is strongly carcinogenic and mutagenic.. naphthylamine : A primary arylamine that is naphthalene substituted by an amino group at unspecified position.. 1-naphthylamine : A naphthylamine that is naphthalene substituted by an amino group at position 1. | 1.97 | 1 | 0 | naphthylamine | human xenobiotic metabolite |
n-heptane
Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.04 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
plant metabolite |
coronene
coronene: structure. coronene : A ortho- and peri-fused polycyclic arene that consists of six peri-fused benzene rings. | 2.41 | 2 | 0 | ortho- and peri-fused polycyclic arene | |
1,12-benzoperylene
1,12-benzoperylene: structure; see also record for benzoperylene | 2.72 | 3 | 0 | ortho- and peri-fused polycyclic arene | |
anthanthrene
[no description available] | 2.07 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
benzo(e)pyrene
benzo(e)pyrene: RN given refers to parent cpd. benzo[e]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. It is listed as a Group 3 carcinogen by the IARC. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mutagen |
indeno(1,2,3-cd)pyrene
indeno(1,2,3-cd)pyrene: structure in first source | 2.05 | 1 | 0 | pyrenes | |
benzo(c)phenanthrene
benzo[c]phenanthrene : An ortho-fused polycyclic arene resulting from the symmetrical fusion of the C1-C2 bonds of two naphthalene units. | 2 | 1 | 0 | benzenoid aromatic compound;
ortho-fused polycyclic arene | |
benzo(g)chrysene
benzo(g)chrysene: structure given in first source | 7.4 | 2 | 0 | | |
perylene
Perylene: A 20-carbon dibenz(de,kl)anthracene that can be viewed as a naphthalene fused to a phenalene or as dinaphthalene. It is used as fluorescent lipid probe in the cytochemistry of membranes and is a polycyclic hydrocarbon pollutant in soil and water. Derivatives may be carcinogenic.. perylene : An ortho- and peri-fused polycyclic arene comprising of five benzene rings that is anthracene in which the d,e and k,l sides are fused to benzene rings. | 8.3 | 6 | 0 | ortho- and peri-fused polycyclic arene;
perylenes | |
benzo(j)fluoranthene
benzo(j)fluoranthene: dihydrodiol metabolites identified as mutagens; structure given in first source | 2.04 | 1 | 0 | naphthalenes | |
benzo(b)fluoranthene
benzo[b]fluoranthene : An ortho- and peri-fused polycyclic arene that consists of a benzene ring fused with a acephenanthrylene ring. | 5.8 | 26 | 0 | ortho- and peri-fused polycyclic arene | mutagen |
fluoranthene
fluoranthene: structure. fluoranthene : An ortho- and peri-fused polycyclic arene consisting of a naphthalene and benzene unit connected by a five-membered ring. | 4.55 | 23 | 0 | ortho- and peri-fused polycyclic arene | |
benzo(k)fluoranthene
[no description available] | 3.58 | 8 | 0 | naphthalenes | |
picene
picene: structure given in first source. picene : An ortho-fused polycyclic arene consisting of five fused benzene rings. It is obtained during the distillation of petroleum. | 7.1 | 1 | 0 | ortho-fused polycyclic arene | |
benzotriphenylene
[no description available] | 2.67 | 3 | 0 | carbopolycyclic compound | |
triphenylene
triphenylene: structure. triphenylene : An ortho-fused polycyclic arene consisting of four fused benzene rings. | 3.28 | 6 | 0 | ortho-fused polycyclic arene | |
dibenzo(aj)anthracene
dibenzo(aj)anthracene: structure in first source | 2.04 | 1 | 0 | phenanthrenes | |
benzo(a)fluorene
benzo(a)fluorene: structure in first source | 2.04 | 1 | 0 | carbotetracyclic compound | |
benzo(b)fluorene
benzo(b)fluorene: structure in first source | 2.04 | 1 | 0 | carbotetracyclic compound | |
adamantane
Adamantane: A tricyclo bridged hydrocarbon. | 2.46 | 2 | 0 | adamantanes;
polycyclic alkane | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.04 | 1 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
cyclooctane
[no description available] | 2.04 | 1 | 0 | | |
aminophylline
Aminophylline: A drug combination that contains THEOPHYLLINE and ethylenediamine. It is more soluble in water than theophylline but has similar pharmacologic actions. It's most common use is in bronchial asthma, but it has been investigated for several other applications.. aminophylline : A mixture comprising of theophylline and ethylenediamine in a 2:1 ratio. | 1.97 | 1 | 0 | mixture | bronchodilator agent;
cardiotonic drug |
diethyl sulfide
ethyl sulfide : An aliphatic sulfide in which the sulfur atom is bonded to at least one ethyl group.. diethyl sulfide : An ethyl sulfide compound having two ethyl groups attached to a sulfur atom. | 2.04 | 1 | 0 | ethyl sulfide | |
fluorobenzenes
Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.04 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
cholanthrene
cholanthrene: structure given in first source | 2.04 | 1 | 0 | | |
menadiol
[no description available] | 2.04 | 1 | 0 | methylnaphthalenes;
naphthalenediols;
naphthohydroquinone | |
retene
retene: structure in first source | 2.1 | 1 | 0 | | |
hemimellitene
hemimellitene: structure. 1,2,3-trimethylbenzene : A trimethylbenzene carrying methyl groups at positions 1, 2 and 3. It has been found in Centaurium erythraea. | 2.04 | 1 | 0 | trimethylbenzene | neurotoxin;
plant metabolite |
1-chloropropane
1-chloropropane: structure in first source | 2.04 | 1 | 0 | | |
2,2,4-trimethylpentane
2,2,4-trimethylpentane: nephrotoxic. isooctane : An alkane that consists of pentane bearing two methyl substituents at position 2 and a single methyl substituent at position 4. | 2.04 | 1 | 0 | alkane;
volatile organic compound | fuel additive;
nephrotoxin;
non-polar solvent |
1,3-dichlorobenzene
1,3-dichlorobenzene : A dichlorobenzene carrying chloro substituents at positions 1 and 3. | 2.04 | 1 | 0 | dichlorobenzene | |
1-chlorohexane
[no description available] | 2.04 | 1 | 0 | | |
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. | 1.97 | 1 | 0 | hydrochloride | acid-base indicator;
dye;
two-colour indicator |
1,4-dimethylnaphthalene
1,4-dimethylnaphthalene : A dimethylnaphthalene carrying methyl groups at positions 1 and 4. | 2.04 | 1 | 0 | dimethylnaphthalene | |
2,6-dimethylnaphthalene
2,6-dimethylnaphthalene: RN given refers to parent cpd. 2,6-dimethylnaphthalene : A dimethylnaphthalene carrying methyl groups at positions 2 and 6. | 2.04 | 1 | 0 | dimethylnaphthalene | environmental contaminant |
1,2-dibromobenzene
dibromobenzene : Any member of the class of bromobenzenes that consists of a benzene or a substituted benzene ring carrying two bromo groups at unspecified positions. | 2.04 | 1 | 0 | dibromobenzene | |
iodobenzene
iodobenzene: RN given refers to unlabeled parent cpd | 2.04 | 1 | 0 | | |
1-hexene
1-hexene: structure in first source. 1-hexene : An alkene that is hexane carrying a double bond at position 1. | 2.04 | 1 | 0 | alkene | |
pentachlorobenzene
pentachlorobenzene: structure. pentachlorobenzene : A member of the class of pentachlorobenzenes that is benzene in which five of the hydrogens are replaced by chlorines. Now classed as a persistent organic pollutant under the Stockholm Convention. | 2.04 | 1 | 0 | pentachlorobenzenes | persistent organic pollutant |
1-aminoanthracene
[no description available] | 1.97 | 1 | 0 | anthracenamine | |
2-methylanthracene
2-methylanthracene: structure given in first source | 2.04 | 1 | 0 | | |
1,2,3,4-tetrachlorobenzene
1,2,3,4-tetrachlorobenzene : A tetrachlorobenzene carrying chloro groups at positions 1, 2 , 3 and 4.. tetrachlorobenzene : Any member of the class of chlorobenzenes carrying four chloro groups at unspecified positions. | 2.04 | 1 | 0 | tetrachlorobenzene | |
1,2,3,5-tetrachlorobenzene
1,2,3,5-tetrachlorobenzene : A tetrachlorobenzene carrying chloro groups at positions 1, 2, 3 and 5. | 2.04 | 1 | 0 | tetrachlorobenzene | |
9-methylanthracene
[no description available] | 2.78 | 3 | 0 | | |
9,10-dimethylanthracene
9,10-dimethylanthracene: RN given refers to parent ion | 2.04 | 1 | 0 | | |
2-nitropyrene
[no description available] | 1.98 | 1 | 0 | pyrenes | |
4-nitrophenyl acetate
[no description available] | 2.88 | 1 | 0 | C-nitro compound;
phenyl acetates | |
9-aminophenanthrene
[no description available] | 1.97 | 1 | 0 | phenanthrenamine | |
undecane
undecane : A straight-chain alkane with 11 carbon atoms. | 2.04 | 1 | 0 | alkane | |
zinc oxide
Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. | 2.13 | 1 | 0 | zinc molecular entity | |
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. | 2.04 | 1 | 0 | alpha-tocopherol | algal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite |
6-methylchrysene
6-methylchrysene: RN given refers to parent cpd; structure given in first source | 7.4 | 2 | 0 | carbopolycyclic compound | |
decane
decane : A straight-chain alkane with 10 carbon atoms. | 2.04 | 1 | 0 | alkane | |
12-methylbenzanthracene
[no description available] | 2.04 | 1 | 0 | | |
2-methylphenanthrene
[no description available] | 2.04 | 1 | 0 | | |
7-methylbenzanthracene
[no description available] | 2.04 | 1 | 0 | | |
6-chrysenamine
6-chrysenamine: may cause splenic atrophy and leukopenia; minor descriptor (76-84); on-line & Index Medicus search PHENANTHRENES (76-84) | 2.01 | 1 | 0 | carbopolycyclic compound | |
trichloroepoxypropane
Trichloroepoxypropane: A potent epoxide hydrase and aryl hydrocarbon hydroxylase inhibitor. It enhances the tumor-initiating ability of certain carcinogens. | 1.99 | 1 | 0 | | |
5-methylchrysene
5-methylchrysene: methylchrysenes in tobacco smoke are suspected to contribute to tumorigenicity of this inhalant; RN given refers to unlabeled cpd; structure | 2.92 | 4 | 0 | carbopolycyclic compound | |
5,6-dimethylchrysene
5,6-dimethylchrysene: structure given in first source | 7.4 | 2 | 0 | | |
7-ethylbenz(a)anthracene
[no description available] | 2.04 | 1 | 0 | | |
1-nitropyrene
[no description available] | 1.98 | 1 | 0 | nitroarene | carcinogenic agent |
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. | 7.02 | 1 | 0 | elemental platinum;
nickel group element atom;
platinum group metal atom | |
rhodium
Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45. | 3.11 | 1 | 0 | cobalt group element 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. | 7.13 | 1 | 0 | titanium group element atom | |
argon
Argon: A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. | 1.99 | 1 | 0 | monoatomic argon;
noble gas atom;
p-block element atom | food packaging gas;
neuroprotective agent |
6-nitrochrysene
6-nitrochrysene: RN given refers to cpd with locant for nitro group in position 6 | 7.68 | 3 | 0 | carbopolycyclic compound | |
fluorine
Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.11 | 1 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
ozone
Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 2.39 | 2 | 0 | elemental molecule;
gas molecular entity;
reactive oxygen species;
triatomic oxygen | antiseptic drug;
disinfectant;
electrophilic reagent;
greenhouse gas;
mutagen;
oxidising agent;
tracer |
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. | 7.13 | 1 | 0 | titanium oxides | food colouring |
tetradecanoylphorbol acetate
Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 1.97 | 1 | 0 | acetate ester;
diester;
phorbol ester;
tertiary alpha-hydroxy ketone;
tetradecanoate ester | antineoplastic agent;
apoptosis inducer;
carcinogenic agent;
mitogen;
plant metabolite;
protein kinase C agonist;
reactive oxygen species generator |
9-hydroxybenzo(a)pyrene
9-hydroxybenzo(a)pyrene: RN given refers to unlabeled parent cpd | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
7-nitrobenzanthracene
[no description available] | 1.98 | 1 | 0 | phenanthrenes | |
tetrachloroethylene
Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 2.04 | 1 | 0 | chlorocarbon;
chloroethenes | nephrotoxic agent |
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. | 5.11 | 42 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe;
persistent organic pollutant |
cyclopenta(c,d)pyrene
cyclopenta(c,d)pyrene: structure | 1.97 | 1 | 0 | pyrenes | |
2,3,4,5-tetrachlorobiphenyl
tetrachlorobiphenyl : Any polychlorobiphenyl with molecular formula C12H6Cl4. | 2.04 | 1 | 0 | tetrachlorobenzene;
tetrachlorobiphenyl | |
2,5-dichlorobiphenyl
2,5-dichlorobiphenyl : A dichlorobiphenyl that is p-dichlorobenzene in which one of the hydrogens has been replaced by a phenyl group. | 7.44 | 2 | 0 | dichlorobenzene;
dichlorobiphenyl | |
2,4'-dichlorobiphenyl
2,4'-dichlorobiphenyl: RN given refers to unlabeled cpd. 2,4'-dichlorobiphenyl : A dichlorobiphenyl that is chlorobenzene in which the hydrogen at position 2 has been replaced by a 4-chlorophenyl group. | 2.04 | 1 | 0 | dichlorobiphenyl;
monochlorobenzenes | |
2,4,5,2',4',5'-hexachlorobiphenyl
[no description available] | 2.17 | 1 | 0 | hexachlorobiphenyl | |
2,4,6-trichlorobiphenyl
2,4,6-trichlorobiphenyl: structure given in first source | 2.04 | 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. | 7.31 | 1 | 0 | hydroxychrysene | xenobiotic metabolite |
fagaronine
fagaronine: structure | 1.98 | 1 | 0 | benzophenanthridine alkaloid | mutagen |
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. | 1.98 | 1 | 0 | epoxide | intercalator |
6-nitrobenzo(a)pyrene
[no description available] | 2.38 | 2 | 0 | ortho- and peri-fused polycyclic arene | |
crisnatol
crisnatol: structure given in first source | 1.97 | 1 | 0 | | |
4-nitropyrene
[no description available] | 1.98 | 1 | 0 | pyrenes | |
perfluorophenanthrene
perfluorophenanthrene: mixture of isomers of perfluorophenanthrene; MF: C14-F24 | 2.05 | 1 | 0 | fluorocarbon | radioopaque medium |
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. | 2.02 | 1 | 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 |
n,n'-dibenzoylcystine
N,N'-dibenzoylcystine: a low molecular weight gelator; structure in first source | 2.41 | 1 | 0 | | |
chrysene,2-diol-3,4-epoxide-1
chrysene,2-diol-3,4-epoxide-1: denotes tumorigenic activity; RN given refers to cpd without isomeric designation; structure | 2.66 | 3 | 0 | | |
tenax
tenax: porous polymer based on 2,6-diphenyl-p-phenylene oxide; used for trapping volatile organic compounds | 2.04 | 1 | 0 | | |
fullerene c60
Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms. | 2.07 | 1 | 0 | fullerene | geroprotector |
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. | 2.04 | 1 | 0 | biotins;
vitamin B7 | coenzyme;
cofactor;
Escherichia coli metabolite;
fundamental metabolite;
human metabolite;
mouse metabolite;
nutraceutical;
prosthetic group;
Saccharomyces cerevisiae metabolite |
2-chlorobiphenyl
2-chlorobiphenyl: RN from Toxlit. 2-chlorobiphenyl : A monochlorobiphenyl carrying a single chloro substituent at position 2.. monochlorobiphenyl : A chlorobiphenyl carrying a single chloro substituent at unspecified position.. chlorobiphenyl : A chloroarene that consists of a biphenyl skeleton substituted by one or more chloro groups. | 2.04 | 1 | 0 | monochlorobiphenyl | |
7-dehydrocholesterol
[no description available] | 2.04 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid;
3beta-sterol;
cholestanoid;
Delta(5),Delta(7)-sterol | human metabolite;
mouse metabolite |
retinol
Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 2.04 | 1 | 0 | retinol;
vitamin A | human metabolite;
mouse metabolite;
plant metabolite |
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 2.06 | 1 | 0 | benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid | adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
eicosapentaenoic acid
icosapentaenoic acid : Any straight-chain, C20 polyunsaturated fatty acid having five C=C double bonds.. all-cis-5,8,11,14,17-icosapentaenoic acid : An icosapentaenoic acid having five cis-double bonds at positions 5, 8, 11, 14 and 17. | 2.13 | 1 | 0 | icosapentaenoic acid;
omega-3 fatty acid | anticholesteremic drug;
antidepressant;
antineoplastic agent;
Daphnia galeata metabolite;
fungal metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
sorbic acid
Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 2.06 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid;
sorbic acid | |
curcumin
Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.. curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. | 7.13 | 1 | 0 | aromatic ether;
beta-diketone;
diarylheptanoid;
enone;
polyphenol | anti-inflammatory agent;
antifungal agent;
antineoplastic agent;
biological pigment;
contraceptive drug;
dye;
EC 1.1.1.205 (IMP dehydrogenase) inhibitor;
EC 1.1.1.21 (aldehyde reductase) inhibitor;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor;
EC 1.8.1.9 (thioredoxin reductase) inhibitor;
EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
flavouring agent;
food colouring;
geroprotector;
hepatoprotective agent;
immunomodulator;
iron chelator;
ligand;
lipoxygenase inhibitor;
metabolite;
neuroprotective agent;
nutraceutical;
radical scavenger |
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. | 1.99 | 1 | 0 | nitrogen oxide | |
cystine
[no description available] | 2.41 | 1 | 0 | | |
vitamin d 2
Ergocalciferols: Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.. vitamin D2 : A vitamin D supplement and has been isolated from alfalfa. | 2.04 | 1 | 0 | hydroxy seco-steroid;
seco-ergostane;
vitamin D | bone density conservation agent;
nutraceutical;
plant metabolite;
rodenticide |
cholecalciferol
Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 2.04 | 1 | 0 | D3 vitamins;
hydroxy seco-steroid;
seco-cholestane;
secondary alcohol;
steroid hormone | geroprotector;
human metabolite |
rutin
Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.04 | 1 | 0 | disaccharide derivative;
quercetin O-glucoside;
rutinoside;
tetrahydroxyflavone | antioxidant;
metabolite |
gamma-linolenic acid
gamma-Linolenic Acid: An omega-6 fatty acid produced in the body as the delta 6-desaturase metabolite of linoleic acid. It is converted to dihomo-gamma-linolenic acid, a biosynthetic precursor of monoenoic prostaglandins such as PGE1. (From Merck Index, 11th ed). gamma-linolenic acid : A C18, omega-6 acid fatty acid comprising a linolenic acid having cis- double bonds at positions 6, 9 and 12. | 2.17 | 1 | 0 | linolenic acid;
omega-6 fatty acid | human metabolite;
mouse metabolite;
plant metabolite |
prostaglandin f3alpha
prostaglandin F3alpha : A prostaglandin Falpha that is prosta-5,13,17-trien-1-oic acid carrying three hydroxy substituents at positions 9alpha, 11alpha and 15. | 2.13 | 1 | 0 | prostaglandins Falpha | |
vitamin k 1
Vitamin K 1: A family of phylloquinones that contains a ring of 2-methyl-1,4-naphthoquinone and an isoprenoid side chain. Members of this group of vitamin K 1 have only one double bond on the proximal isoprene unit. Rich sources of vitamin K 1 include green plants, algae, and photosynthetic bacteria. Vitamin K1 has antihemorrhagic and prothrombogenic activity.. phylloquinone : A member of the class of phylloquinones that consists of 1,4-naphthoquinone having methyl and phytyl groups at positions 2 and 3 respectively. The parent of the class of phylloquinones. | 2.04 | 1 | 0 | phylloquinones;
vitamin K | cofactor;
human metabolite;
plant metabolite |
gamma-cyclodextrin
gamma-cyclodextrin : A cycloamylose composed of eight alpha-(1->4) linked D-glucopyranose units. | 1.98 | 1 | 0 | cyclodextrin | |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.01 | 1 | 0 | carbon group element atom;
elemental lead;
metal atom | neurotoxin |
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. | 2.06 | 1 | 0 | muconic acid | biomarker;
human xenobiotic metabolite |
gallium
Gallium: A rare, metallic element designated by the symbol, Ga, atomic number 31, and atomic weight 69.72.. gallium atom : A metallic element predicted as eka-aluminium by Mendeleev in 1870 and discovered by Paul-Emile Lecoq de Boisbaudran in 1875. Named in honour of France (Latin Gallia) and perhaps also from the Latin gallus cock, a translation of Lecoq. | 7.02 | 1 | 0 | boron group element atom | |
vitamin a2
vitamin A2: RN given refers to cpd without isomeric designation. all-trans-3,4-didehydroretinol : A retinoid derived from 3,4-desaturation of the beta-ionone ring of all-trans-retinol. | 2.04 | 1 | 0 | retinoid;
vitamin A | human xenobiotic metabolite;
marine xenobiotic metabolite;
mouse metabolite |
tannins
Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing. | 2.1 | 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. | 2.04 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
clay
Clay: A naturally-occurring rock or soil constituent characterized by particles with a diameter of less than 0.005 mm. It is composed primarily of hydrous aluminum silicates, trace amounts of metal OXIDES, and organic matter. | 7.01 | 1 | 0 | | |
lead radioisotopes
Lead Radioisotopes: Unstable isotopes of lead that decay or disintegrate emitting radiation. Pb atoms with atomic weights 194-203, 205, and 209-214 are radioactive lead isotopes. | 2.02 | 1 | 0 | | |
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents. | 2.88 | 1 | 0 | | |
folic acid
folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.04 | 1 | 0 | folic acids;
N-acyl-amino acid | human metabolite;
mouse metabolite;
nutrient |
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 | 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. | 2.89 | 4 | 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. | 6.28 | 57 | 0 | | |