Substance | Relationship Strength | Studies | Trials | Classes | Roles |
hydrogen sulfide Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 2.21 | 1 | 0 | gas molecular entity; hydracid; mononuclear parent hydride; sulfur hydride | Escherichia coli metabolite; genotoxin; metabolite; signalling molecule; toxin; vasodilator agent |
niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.1 | 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 |
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. | 7.46 | 2 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
benzyl isothiocyanate benzyl isothiocyanate: inhibits carcinogen-induced neoplasia; structure in Negwer, 5th ed, #715; also promotes urinary bladder carcinoma | 7.78 | 3 | 0 | benzenes; isothiocyanate | antibacterial drug |
ethoxyresorufin ethoxyresorufin: structure | 2.75 | 3 | 0 | phenoxazine | |
oxidopamine Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals.. oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). | 2.52 | 2 | 0 | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
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. | 7.13 | 1 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
sulforaphane sulforaphane: from Cardaria draba L.. sulforaphane : An isothiocyanate having a 4-(methylsulfinyl)butyl group attached to the nitrogen. | 9.8 | 36 | 2 | isothiocyanate; sulfoxide | antineoplastic agent; antioxidant; EC 3.5.1.98 (histone deacetylase) inhibitor; plant metabolite |
allyl isothiocyanate allyl isothiocyanate: used in the manufacture of flavors, war gases; medical use as a counterirritant; structure. allyl isothiocyanate : An isothiocyanate with the formula CH2=CHCH2N=C=S. A colorless oil with boiling point 152degreeC, it is responsible for the pungent taste of mustard, horseradish, and wasabi. | 2.49 | 2 | 0 | alkenyl isothiocyanate; isothiocyanate | antimicrobial agent; antineoplastic agent; apoptosis inducer; lachrymator; metabolite |
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. | 2.52 | 2 | 0 | ortho-fused polycyclic arene; tetraphenes | carcinogenic agent |
mannitol [no description available] | 4.48 | 1 | 1 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
phenylisothiocyanate phenylisothiocyanate: structure. phenyl isothiocyanate : An isothiocyanate having a phenyl group attached to the nitrogen; used for amino acid sequencing in the Edman degradation. | 2.47 | 2 | 0 | isothiocyanate | allergen; reagent |
quinazolines Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.53 | 2 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinazolines | |
monomethyl succinate methylsuccinic acid: RN given refers to cpd without isomeric designation. methylsuccinic acid : A racemate comprising equimolar amounts of (R)- and (S)-methylsuccinic acid. 2-methylbutanedioic acid : A dicarboxylic acid that is butanedioic acid substituted at position 2 by a methyl group. | 2.31 | 1 | 0 | dicarboxylic acid | |
iberin [no description available] | 7.46 | 2 | 0 | isothiocyanate; sulfoxide | apoptosis inducer; plant metabolite; quorum sensing inhibitor |
n-methylphenethylamine N-methylphenethylamine: substrate for type A & B monoamine oxidase; RN given refers to parent cpd | 2.06 | 1 | 0 | | |
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 4.83 | 2 | 1 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
arsenic trioxide Arsenic Trioxide: An inorganic compound with the chemical formula As2O3 that is used for the treatment of ACUTE PROMYELOCYTIC LEUKEMIA in patients who have relapsed from, or are resistant to, conventional drug therapy. | 2.05 | 1 | 0 | | |
phenethyl isothiocyanate phenethyl isothiocyanate: a dietary liver aldehyde dehydrogenase inhibitor; promotes urinary bladder carcinoma. phenethyl isothiocyanate : An isothiocyanate having a phenethyl group attached to the nitrogen. It is a naturally occurring compound found in some cruciferous vegetables (e.g. watercress) and is known to possess anticancer properties. | 4.81 | 5 | 0 | isothiocyanate | antineoplastic agent; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; metabolite |
2-amino-3-methylimidazo(4,5-f)quinoline 2-amino-3-methylimidazo(4,5-f)quinoline: mutagen found in broiled food; RN given refers to parent cpd; structure given in first source; frequently abbreviated as IQ in the literature. 3-methyl-3H-imidazo[4,5-f]quinolin-2-amine : An imidazoquinoline that is 3H-imidazo[4,5-f]quinoline substituted by a methyl group at position 3 and an amino group at position 2. | 2.06 | 1 | 0 | imidazoquinoline | carcinogenic agent |
iberverin [no description available] | 2.5 | 2 | 0 | | |
isothiocyanic acid [no description available] | 6.48 | 12 | 1 | hydracid; one-carbon compound | |
3-phenylpropyl isothiocyanate 3-phenylpropyl isothiocyanate: structure given in first source | 2.06 | 1 | 0 | benzenes | |
rivastigmine [no description available] | 2.21 | 1 | 0 | carbamate ester; tertiary amino compound | cholinergic drug; EC 3.1.1.8 (cholinesterase) inhibitor; neuroprotective agent |
6-phenylhexyl isothiocyanate [no description available] | 2.06 | 1 | 0 | | |
4-phenylbutyl isothiocyanate 4-phenylbutyl isothiocyanate: structure given in first source; inhibits tumorigenesis induced by 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone | 2.06 | 1 | 0 | benzenes; organic amino compound | |
4-hydroxybenzyl isothiocyanate 4-hydroxybenzyl isothiocyanate: found in white mustard; structure in first source | 2.11 | 1 | 0 | phenols | |
6-methylthiohexyl isothiocyanate 6-methylthiohexyl isothiocyanate: isolated from Wasabia japonica (wasabi). 1-isothiocyanato-6-(methylsulfanyl)hexane : A isothiocyanate that is hexane in which two of the terminal methyl hydrogens at positions 1 and 6 have been replaced by isothiocyanato and methylsulfanyl groups. | 2.11 | 1 | 0 | isothiocyanate; methyl sulfide | antineoplastic agent; Arabidopsis thaliana metabolite; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; neuroprotective agent |
alyssin [no description available] | 2.05 | 1 | 0 | sulfoxide | |
lapatinib [no description available] | 2.53 | 2 | 0 | furans; organochlorine compound; organofluorine compound; quinazolines | antineoplastic agent; tyrosine kinase inhibitor |
sorafenib [no description available] | 2.1 | 1 | 0 | (trifluoromethyl)benzenes; aromatic ether; monochlorobenzenes; phenylureas; pyridinecarboxamide | angiogenesis inhibitor; anticoronaviral agent; antineoplastic agent; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; ferroptosis inducer; tyrosine kinase inhibitor |
afimoxifene afimoxifene : A tertiary amino compound that is tamoxifen in which the phenyl group which is in a Z- relationship to the ethyl substituent is hydroxylated at the para- position. It is the active metabolite of tamoxifen. | 2.13 | 1 | 0 | phenols; tertiary amino compound | antineoplastic agent; estrogen receptor antagonist; metabolite |
tamoxifen [no description available] | 2.13 | 1 | 0 | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator |
1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.13 | 1 | 0 | | |
cystine [no description available] | 2.08 | 1 | 0 | | |
erysolin [no description available] | 7.94 | 4 | 0 | | |
dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.08 | 1 | 0 | prostaglandins E | human metabolite; mouse metabolite; oxytocic |
arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.05 | 1 | 0 | metalloid atom; pnictogen | micronutrient |
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid 2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid: chromogen in glucose oxidase-peroxidase method for determining serum glucose; used in free radical scavenging assays; structure in first source | 2.13 | 1 | 0 | | |
selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.02 | 1 | 0 | chalcogen; nonmetal atom | micronutrient |
sulphoraphene sulphoraphene: from radish; structure in first source | 2.53 | 2 | 0 | | |
glucoerucin glucoerucin: structure in first source. glucoerucin : A thia-alkylglucosinolic acid that consists of 1-thio-beta-D-glucopyranose having a 5-(methylsulfanyl)-N-(sulfooxy)pentanimidoyl group attached to the anomeric sulfur. | 10.89 | 8 | 1 | organic sulfide; thia-alkylglucosinolic acid | |
glucoraphanin glucoraphanin: precursor of sulforaphane. glucoraphanin : A thia-glucosinolic acid that is glucoerucin in which the sulfur atom of the methyl thioether group has been oxidised to the corresponding sulfoxide. | 11.45 | 8 | 2 | sulfoxide; thia-alkylglucosinolic acid | |
glucoiberin glucoiberin: from Iberis amara; structure in first source | 2.1 | 1 | 0 | | |
chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.21 | 1 | 0 | chlorophyll; methyl ester | cofactor |
crustacean cardioactive peptide crustacean cardioactive peptide: cardioactive neuropeptide, from the nervous system of the shore crab carcinus maenas; do not confuse with CCAP (katacalcin), a calcitonin carboxyl-terminal flanking peptide | 7.31 | 1 | 0 | | |