| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
4-aminophenol
4-aminophenol: RN given refers to parent cpd. 4-aminophenol : An amino phenol (one of the three possible isomers) which has the single amino substituent located para to the phenolic -OH group. | 1.96 | 1 | 0 | aminophenol | allergen;
metabolite |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 1.95 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
2,4-dinitrophenol
2,4-Dinitrophenol: A toxic dye, chemically related to trinitrophenol (picric acid), used in biochemical studies of oxidative processes where it uncouples oxidative phosphorylation. It is also used as a metabolic stimulant. (Stedman, 26th ed). dinitrophenol : Members of the class of nitrophenol carrying two nitro substituents.. 2,4-dinitrophenol : A dinitrophenol having the nitro groups at the 2- and 4-positions. | 2.11 | 1 | 0 | dinitrophenol | allergen;
antiseptic drug;
bacterial xenobiotic metabolite;
geroprotector;
oxidative phosphorylation inhibitor |
2-aminofluorene
[no description available] | 2.65 | 3 | 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. | 2.65 | 3 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
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. | 2.36 | 2 | 0 | extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
pentobarbital
Pentobarbital: A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236). pentobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 1.95 | 1 | 0 | barbiturates | GABAA receptor agonist |
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. | 2.65 | 3 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
resorcinol
resorcinol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7951. resorcinol : A benzenediol that is benzene dihydroxylated at positions 1 and 3. | 1.96 | 1 | 0 | benzenediol;
phenolic donor;
resorcinols | erythropoietin inhibitor;
sensitiser |
thyroxine
Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 2.37 | 2 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
2-acetylaminofluorene
2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 1.95 | 1 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
triiodothyronine
Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3.. 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. | 2.37 | 2 | 0 | 2-halophenol;
amino acid zwitterion;
iodophenol;
iodothyronine | human metabolite;
mouse metabolite;
thyroid hormone |
diethylnitrosamine
Diethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties.. N-nitrosodiethylamine : A nitrosamine that is N-ethylethanamine substituted by a nitroso group at the N-atom. | 1.96 | 1 | 0 | nitrosamine | carcinogenic agent;
hepatotoxic agent;
mutagen |
2-naphthylamine
2-Naphthylamine: A naphthalene derivative with carcinogenic action.. 2-naphthylamine : A naphthylamine carrying the amino group at position 2. | 3.05 | 1 | 0 | naphthylamine | carcinogenic agent |
4-biphenylamine
4-biphenylamine: used in detection of sulfates, & as a carcinogen in cancer research; RN given refers to parent cpd; structure. biphenyl-4-amine : An aminobiphenyl that is biphenyl substituted by an amino group at position 4. | 3.05 | 1 | 0 | aminobiphenyl | carcinogenic agent |
benzidine
benzidine: RN given refers to parent cpd. benzidine : A member of the class of biphenyls that is 1,1'-biphenyl in which the hydrogen at the para-position of each phenyl group has been replaced by an amino group. | 2 | 1 | 0 | biphenyls;
substituted aniline | carcinogenic agent |
2,4-diaminotoluene
2,4-diaminotoluene: RN given refers to unlabeled parent cpd; structure. 2,4-diaminotoluene : An aminotoluene that is para-toluidine with an additional amino group at position 2. | 3.97 | 4 | 0 | aminotoluene | metabolite |
5-nitro-2-methoxyaniline
5-nitro-2-methoxyaniline: RN given refers to parent cpd | 2.55 | 2 | 0 | 4-nitroanisoles;
substituted aniline | |
4-nitroanisole
4-nitroanisole: dye intermediate; organic synthesis; structure. 4-nitroanisole : A member of the class of 4-nitroanisoles that is anisole in which one the hydrogen meta to the methoxy group is replaced by a nitro group. | 2.11 | 1 | 0 | 4-nitroanisoles | |
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. | 3.05 | 1 | 0 | chloroaniline | metabolite |
n,n,n',n'-tetramethyl-4,4'-methylenedianiline
N,N,N',N'-tetramethyl-4,4'-methylenedianiline: structure given in first source | 2.02 | 1 | 0 | diarylmethane | |
di-(4-aminophenyl)ether
di-(4-aminophenyl)ether: structure | 2 | 1 | 0 | aromatic ether | |
3-phenylenediamine
1,3-phenylenediamine : A phenylenediamine taht is benzene substituted at positions 1 and 3 with amino functions. | 2.38 | 2 | 0 | phenylenediamine | |
2,4-dinitroanisole
2,4-dinitroanisole : A member of the class of dinitroanisoles that is 2-nitroanisole in which the hydrogen para to the methoxy group is replaced by a second nitro group. | 3.08 | 4 | 0 | dinitroanisoles | explosive |
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. | 3.05 | 1 | 0 | naphthylamine | human xenobiotic metabolite |
4,4'-thiodianiline
4,4'-thiodianiline: structure | 2.69 | 3 | 0 | substituted aniline | |
indophenol
Indophenol: A deep blue dye (with the formula OC6H4NC6H4OH) used to detect AMMONIA in a common test called the Berthelot's reaction and to detect PARACETAMOL by spectrophotometry.. indophenol : A quinone imine obtained by formal condensation of one of the keto groups of benzoquinone with the amino group of 4-hydroxyaniline. | 1.96 | 1 | 0 | quinone imine | dye |
2,7-fluorenediamine
2,7-fluorenediamine: peroxidase reagent for blood smears; RN given refers to parent cpd | 1.96 | 1 | 0 | | |
alpha-naphthoflavone
alpha-naphthoflavone: inhibits P4501A1 and P4501A2; stimulates some activities of P4503A4. alpha-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the h side of flavone. A synthetic compound, it is an inhibitor of aromatase (EC 1.14.14.14). | 1.95 | 1 | 0 | extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound | aryl hydrocarbon receptor agonist;
aryl hydrocarbon receptor antagonist;
EC 1.14.14.14 (aromatase) inhibitor |
2-anthramine
2-anthramine: structure | 1.96 | 1 | 0 | anthracenamine | |
4,4'-methylene bis(2-methylaniline)
4,4'-methylene bis(2-methylaniline): structure | 3.05 | 1 | 0 | diarylmethane | |
n-nitrosodiethanolamine
[no description available] | 1.96 | 1 | 0 | nitroso compound | |
1,4-dioxane
1,4-dioxane: dehydrating agent; polar solvent miscible both with water & most organic solvents. dioxane : Any member of the class of dioxanes that is a cyclohexane in which two carbon atoms are replaced by oxygen atoms.. 1,4-dioxane : A dioxane with oxygen atoms at positions 1 and 4. | 1.96 | 1 | 0 | dioxane;
volatile organic compound | carcinogenic agent;
metabolite;
NMR chemical shift reference compound;
non-polar solvent |
2-(2',4'-diaminophenoxy)ethanol
2-(2',4'-diaminophenoxy)ethanol: RN given refers to parent cpd | 2.36 | 2 | 0 | | |
bathocuproine
bathocuproine: reagent for copper; RN given refers to parent cpd | 1.99 | 1 | 0 | | |
1,7-phenanthroline
[no description available] | 1.99 | 1 | 0 | phenanthroline | |
cobalt
Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 1.95 | 1 | 0 | cobalt group element atom;
metal allergen | micronutrient |
propylthiouracil
Propylthiouracil: A thiourea antithyroid agent. Propythiouracil inhibits the synthesis of thyroxine and inhibits the peripheral conversion of throxine to tri-iodothyronine. It is used in the treatment of hyperthyroidism. (From Martindale, The Extra Pharmacopeoia, 30th ed, p534). 6-propyl-2-thiouracil : A pyrimidinethione consisting of uracil in which the 2-oxo group is substituted by a thio group and the hydrogen at position 6 is substituted by a propyl group. | 2.02 | 1 | 0 | pyrimidinethione | antidote to paracetamol poisoning;
antimetabolite;
antioxidant;
antithyroid drug;
carcinogenic agent;
EC 1.14.13.39 (nitric oxide synthase) inhibitor;
hormone antagonist |
methimazole
Methimazole: A thioureylene antithyroid agent that inhibits the formation of thyroid hormones by interfering with the incorporation of iodine into tyrosyl residues of thyroglobulin. This is done by interfering with the oxidation of iodide ion and iodotyrosyl groups through inhibition of the peroxidase enzyme.. methimazole : A member of the class of imidazoles that it imidazole-2-thione in which a methyl group replaces the hydrogen which is attached to a nitrogen. | 1.97 | 1 | 0 | 1,3-dihydroimidazole-2-thiones | antithyroid drug |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.39 | 2 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
nadp
[no description available] | 2.36 | 2 | 0 | | |
cobaltous chloride
cobaltous chloride: RN given refers to unlabeled cpd; RN in Chemline for cobalt trichloride: 10241-04-0; RN for 60-labeled cpd: 14543-09-0; RN for 57-labeled cpd: 164113-89-1; RN for 58-labeled cpd: 29377-09-1; structure. cobalt dichloride : A cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is chloride. It is used as an indicator for water in desiccants. | 1.95 | 1 | 0 | cobalt salt;
inorganic chloride | allergen;
calcium channel blocker;
sensitiser;
two-colour indicator |
2-nitro-4-phenylenediamine
2-nitro-4-phenylenediamine: 2-nitro-1,4-benzenediamine; RN given refers to parent cpd. 2-nitro-p-phenylenediamine : A primary amino compound that is p-phenylenediamine in which one of the hydrogens attached to the benzene ring is replaced by a nitro group. It is a cosmetic hair dye intermediate that is used in permanent hair colouring products (diluted 1:1 with an oxidising agent prior to application). | 1.96 | 1 | 0 | C-nitro compound;
primary amino compound | |
ferrihydrite
ferric oxyhydroxide: an antiferromagnetic material; constitutes the core of natural ferritin; mol form 5Fe2O3.9H2O | 2.17 | 1 | 0 | | |
deoxyguanosine
[no description available] | 1.99 | 1 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
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. | 1.99 | 1 | 0 | guanosines | biomarker |
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. | 1.99 | 1 | 0 | | |