Substance | Relationship Strength | Studies | Trials | Classes | Roles |
benzene [no description available] | 3.36 | 1 | 1 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 3.76 | 2 | 1 | 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 |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 3.07 | 5 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
nitric acid Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. | 1.98 | 1 | 0 | nitrogen oxoacid | protic solvent; reagent |
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) | 3.07 | 5 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
pentachlorophenol PENTA: structure given in first source | 1.98 | 1 | 0 | aromatic fungicide; chlorophenol; organochlorine pesticide; pentachlorobenzenes | human xenobiotic 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. | 2.37 | 2 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
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. | 2.17 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | |
phenazine [no description available] | 2.05 | 1 | 0 | azaarene; heteranthrene; mancude organic heterotricyclic parent; phenazines; polycyclic heteroarene | |
adrenochrome Adrenochrome: Pigment obtained by the oxidation of epinephrine. | 1.98 | 1 | 0 | indoles | |
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. | 3.07 | 5 | 0 | nitrosamine | carcinogenic agent; hepatotoxic agent; mutagen |
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. | 2.15 | 1 | 0 | tetrachlorophenol | xenobiotic metabolite |
n-nitrosomorpholine N-nitrosomorpholine : A nitrosamine that is morpholine in which the hydrogen attached to the nitrogen is replaced by a nitroso group. A carcinogen and mutagen, it is found in snuff tobacco. | 2.92 | 4 | 0 | nitrosamine | carcinogenic agent; mutagen |
aniline [no description available] | 2.13 | 1 | 0 | anilines; primary arylamine | |
dimethylnitrosamine Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 3.08 | 5 | 0 | nitrosamine | geroprotector; mutagen |
ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 2.04 | 1 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
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. | 1.98 | 1 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
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. | 2.37 | 2 | 0 | alkadiene; hemiterpene; volatile organic compound | plant metabolite |
quinoline [no description available] | 2.13 | 1 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinolines | |
ethylene dimethacrylate ethylene glycol dimethacrylate : The enoate ester that is the 1,2-bis(methacryloyl) derivative of ethylene glycol. | 2.17 | 1 | 0 | enoate ester | allergen; cross-linking reagent; polymerisation monomer |
nitrobenzene nitrobenzene : A nitroarene consisting of benzene carrying a single nitro substituent. An industrial chemical used widely in the production of aniline. | 2.13 | 1 | 0 | nitroarene; nitrobenzenes | |
gamma-terpinene gamma-terpinene: RN given refers to gamma-terpinene; structure. gamma-terpinene : One of three isomeric monoterpenes differing in the positions of their two double bonds (alpha- and beta-terpinene being the others). In gamma-terpinene the double bonds are at the 1- and 4-positions of the p-menthane skeleton. | 2.02 | 1 | 0 | cyclohexadiene; monoterpene | antioxidant; human xenobiotic metabolite; plant metabolite; volatile oil component |
n-nitrosopiperidine N-nitrosopiperidine: structure. N-nitrosopiperidine : A nitrosamine that is piperidine in which the hydrogen attached to the nitrogen is replaced by a nitroso group. One of the many carcinogens detected in cigarette smoke, it is found in meat, cheese and spices that have been treated with the preservative sodium nitrite. | 3.14 | 5 | 0 | nitrosamine; piperidine | apoptosis inducer; carcinogenic agent; environmental contaminant; mutagen |
bromobenzene [no description available] | 2.15 | 1 | 0 | bromoarene; bromobenzenes; volatile organic compound | hepatotoxic agent; mouse metabolite; non-polar solvent |
n-butylamine n-butylamine: RN given refers to parent cpd. butan-1-amine : A primary aliphatic amine that is butane substituted by an amino group at position 1. | 2.15 | 1 | 0 | primary aliphatic amine | |
diethylhexyl phthalate Diethylhexyl Phthalate: An ester of phthalic acid. It appears as a light-colored, odorless liquid and is used as a plasticizer for many resins and elastomers.. bis(2-ethylhexyl) phthalate : A phthalate ester that is the bis(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. | 2.03 | 1 | 0 | diester; phthalate ester | androstane receptor agonist; apoptosis inhibitor; plasticiser |
yellow ob [no description available] | 1.96 | 1 | 0 | | |
n,n'-dinitrosopiperazine N,N'-dinitrosopiperazine: RN given refers to unlabeled cpd | 1.96 | 1 | 0 | | |
triethylenediamine triethylenediamine: RN given refers to parent cpd. triethylenediamine : An organic heterobicylic compound that is piperazine with an ethane-1,2-diyl group forming a bridge between N1 and N4. It is typically used as a catalyst in polymerization reactions. | 2.03 | 1 | 0 | bridged compound; diamine; saturated organic heterobicyclic parent; tertiary amino compound | antioxidant; catalyst; reagent |
nitroblue tetrazolium Nitroblue Tetrazolium: Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease. | 1.95 | 1 | 0 | organic cation | |
hydrazine diamine : Any polyamine that contains two amino groups. | 6.96 | 1 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
diphenylamine Diphenylamine: In humans it may be irritating to mucous membranes. Methemoglobinemia has been produced experimentally. In veterinary use, it is one of active ingredients in topical agents for prevention and treatment of screwworm infestation. An indicator in tests for nitrate poisoning.. diphenylamine : An aromatic amine containing two phenyl substituents. It has been used as a fungicide for the treatment of superficial scald in apples and pears, but is no longer approved for this purpose within the European Union. | 3.6 | 9 | 0 | aromatic amine; bridged diphenyl fungicide; secondary amino compound | antifungal agrochemical; antioxidant; carotogenesis inhibitor; EC 1.3.99.29 [phytoene desaturase (zeta-carotene-forming)] inhibitor; ferroptosis inhibitor; radical scavenger |
diisopropylnitrosamine [no description available] | 1.96 | 1 | 0 | | |
n-methyl-n-nitrosoaniline N-methyl-N-nitrosoaniline: structure | 2.9 | 4 | 0 | | |
1,2,4-tribromobenzene [no description available] | 2.15 | 1 | 0 | | |
n-nitroso(di-n-propyl)amine [no description available] | 3.11 | 5 | 0 | nitroso compound | |
dibutylnitrosamine dibutylnitrosamine: structure | 2.91 | 4 | 0 | nitroso compound | |
n-nitrosopyrrolidine N-Nitrosopyrrolidine: Carcinogenic nitrosamine that may be formed from preservatives in meats during their preparation or in the liver during metabolism. | 2.68 | 3 | 0 | pyrrolidines | |
n-nitrosoperhydroazepine [no description available] | 1.96 | 1 | 0 | | |
nitrosobenzylmethylamine nitrosobenzylmethylamine: structure | 1.96 | 1 | 0 | | |
n-nitrosodiethanolamine [no description available] | 1.96 | 1 | 0 | nitroso compound | |
n-nitroso-2,6-dimethylmorpholine N-nitroso-2,6-dimethylmorpholine: RN given refers to parent cpd without isomeric designation | 1.96 | 1 | 0 | | |
butylhydroxybutylnitrosamine Butylhydroxybutylnitrosamine: A substituted carcinogenic nitrosamine.. N-butyl-N-(4-hydroxybutyl)nitrosamine : A nitrosamine that has butyl and 4-hydroxybutyl substituents. In mice, it causes high-grade, invasive cancers in the urinary bladder, but not in any other tissues. | 1.96 | 1 | 0 | nitrosamine; primary alcohol | carcinogenic agent |
n-nitroso-n-methylvinylamine N-nitroso-N-methylvinylamine: structure given in first source | 1.96 | 1 | 0 | nitroso compound | |
n-nitrosodibenzylamine N-nitrosodibenzylamine: structure | 1.96 | 1 | 0 | | |
n-nitroso-n-methylcyclohexylamine [no description available] | 1.96 | 1 | 0 | | |
1-nitrosopiperazine [no description available] | 1.96 | 1 | 0 | phytanoyl-CoAs | |
nitrosomethyl-n-butylamine nitrosomethyl-N-butylamine: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
meladrazine nitrosoproline: RN given refers to 1-nitroso-L-proline | 1.96 | 1 | 0 | | |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.01 | 1 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
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. | 2.13 | 1 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
1,1,2,3-tetrachloropropene 1,1,2,3-tetrachloropropene: 1st & 5th sources for unspecified isomer; RN given refers to cpd with locants as specified; structure in third source | 3.36 | 1 | 1 | | |
methylethylnitrosamine [no description available] | 1.96 | 1 | 0 | nitroso compound | |
chloramine [no description available] | 2.44 | 2 | 0 | halide | |
n-ethyl-n-hydroxyethylnitrosamine N-ethyl-N-(2-hydroxyethyl)nitrosamine : A nitrosamine that is N-nitrosodiethylamine in which one of the ethyl froups has been replaced by a 2-hydroxyethyl group. It is used to induce renal and liver tumours in rodents. | 1.96 | 1 | 0 | nitrosamine; primary alcohol | carcinogenic agent |
n-amyl-n-methylnitrosamine N-methyl-N-pentylnitrosamine : A nitrosamine that has methyl and pentyl substituents. It is a potent oesophageal carcinogen. | 1.96 | 1 | 0 | nitrosamine | carcinogenic agent |
vinylethylnitrosamine [no description available] | 1.96 | 1 | 0 | | |
n-nitrososarcosine N-nitrososarcosine : A nitrosamine that is sarcosine in which the hydrogen attached to the nitrogen has been replaced by a nitroso group. | 1.96 | 1 | 0 | nitrosamine; non-proteinogenic amino acid derivative | carcinogenic agent |
trinitrosotrimethylenetriamine [no description available] | 1.96 | 1 | 0 | 1,3,5-triazinanes; nitrosamine | |
diallylnitrosamine [no description available] | 1.96 | 1 | 0 | | |
n-nitroso-n'-methylpiperazine [no description available] | 1.96 | 1 | 0 | | |
n'-nitrosonornicotine N'-nitrosonornicotine: structure; a potent carcinogen in laboratory animals | 1.96 | 1 | 0 | pyridines; pyrrolidines | |
n-nitrosoephedrine [no description available] | 1.96 | 1 | 0 | | |
n-nitrosoheptamethyleneimine [no description available] | 1.96 | 1 | 0 | nitrosamine | |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 1.98 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
diisopropanolnitrosamine diisopropanolnitrosamine: experimental carcinogen. N,N-bis(2-hydroxypropyl)nitrosamine : A nitrosamine that is dipropylamine in which the hydrogen attached to the nitrogen has been replaced by a nitroso group. It is a genotoxic carcinogen, targeting the lung, liver, thyroid, and kidney. | 1.96 | 1 | 0 | diol; nitrosamine; secondary alcohol | carcinogenic agent |
n-nitrosomethyldodecylamine N-nitrosomethyldodecylamine: product of reaction of dimethyl-n-dodecylamine with nitrous acid | 1.96 | 1 | 0 | | |
n,n-dinitrosohomopiperazine [no description available] | 1.96 | 1 | 0 | | |
methyl(acetoxymethyl)nitrosamine methyl(acetoxymethyl)nitrosamine: RN given refers to parent cpd; structure in seventh source | 1.96 | 1 | 0 | | |
nitrosobis(2-oxopropyl)amine nitrosobis(2-oxopropyl)amine: structure. nitrosobis(2-oxopropyl)amine : A nitrosamine that is iminodiacetone that is substituted by a nitroso group at the N-atom. It induces pancreatic ductal adenocarcinomas in Syrian golden hamsters (other rodents are not susceptible). | 1.96 | 1 | 0 | ketone; nitrosamine | carcinogenic agent |
n-nitrosoguvacoline N-nitrosoguvacoline: formed by nitrosation of arecoline | 1.96 | 1 | 0 | citraconoyl group | |
norharman norharman: RN given refers to parent cpd. beta-carboline : The parent compound of the beta-carbolines, a tricyclic structure comprising an indole ring system ortho- fused to C-3 and C-4 of a pyridine ring. | 7.36 | 2 | 0 | beta-carbolines; mancude organic heterotricyclic parent | fungal metabolite; marine metabolite |
n-nitrososarcosine ethyl ester [no description available] | 1.96 | 1 | 0 | | |
2-hydroxypropyl-n-propylnitrosamine [no description available] | 1.96 | 1 | 0 | | |
2-oxopropyl-n-propylnitrosamine [no description available] | 1.96 | 1 | 0 | | |
3-nitrosomethylaminopyridine 3-nitrosomethylaminopyridine: structure | 1.96 | 1 | 0 | | |
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 1.96 | 1 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
2-nitrosomethylaminopyridine 2-nitrosomethylaminopyridine: structure | 1.96 | 1 | 0 | | |
4-nitrosomethylaminopyridine 4-nitrosomethylaminopyridine: structure | 1.96 | 1 | 0 | | |
1-methylcyclopropene 1-methylcyclopropene: do not confuse with 1-methylcyclopropane. 1-methylcyclopropene : A member of the class of cyclopropenes that is cyclopropene in which the hydrogen at position 1 has been replaced by a methyl group. A gas at room temperture and pressure, it is a (synthetic) ethylene perception inhibitor and is used to prolong the life of cut and potted flowers, other ornamental plants, and fruit. | 2.04 | 1 | 0 | cycloalkene; cyclopropenes | agrochemical; plant growth regulator |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.52 | 2 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
singlet oxygen Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 2.11 | 1 | 0 | chalcogen; monoatomic oxygen; nonmetal atom | macronutrient |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 2.03 | 1 | 0 | | |
n,n-diamylnitrosamine [no description available] | 1.96 | 1 | 0 | | |
potassium permanganate Potassium Permanganate: Permanganic acid (HMnO4), potassium salt. A highly oxidative, water-soluble compound with purple crystals, and a sweet taste. (From McGraw-Hill Dictionary of Scientific and Technical Information, 4th ed) | 2.03 | 1 | 0 | | |
furylfuramide Furylfuramide: Used formerly as antimicrobial food additive. It causes mutations in many cell cultures and may be carcinogenic.. (Z)-2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide : A member of the class of acrylamides that is acrylamide which is substituted at positions 2 and 3 by 2-furyl and 5-nitro-2-furyl groups, respectively (the trans isomer). Formerly used as a food preservative, it was withdrawn from the market following suspicions of carcenogenicity. | 1.96 | 1 | 0 | acrylamides; C-nitro compound; nitrofuran antibiotic; primary carboxamide | |
harmine Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's.. harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. | 2.36 | 2 | 0 | harmala alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; metabolite |
3-amino-1,4-dimethyl-5h-pyrido(4,3-b)indole 3-amino-1,4-dimethyl-5H-pyrido(4,3-b)indole: structure | 1.96 | 1 | 0 | pyridoindole | |
3-amino-1-methyl-5h-pyrido(4,3-b)indole 3-amino-1-methyl-5H-pyrido(4,3-b)indole: structure | 1.96 | 1 | 0 | pyridoindole | |
cytochalasin b Cytochalasin B: A cytotoxic member of the CYTOCHALASINS.. cytochalasin B : An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments. | 2 | 1 | 0 | cytochalasin; lactam; lactone; organic heterotricyclic compound | actin polymerisation inhibitor; metabolite; mycotoxin; platelet aggregation inhibitor |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.98 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
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. | 2.02 | 1 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |