Substance | Relationship Strength | Studies | Trials | Classes | Roles |
acetic acid Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 2 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 3.13 | 1 | 0 | azane; gas molecular entity; mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor; metabolite; mouse metabolite; neurotoxin; NMR chemical shift reference compound; nucleophilic reagent; refrigerant |
benzene [no description available] | 4.37 | 3 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 7.08 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic 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. | 2.1 | 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 |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.05 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human 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. | 3.57 | 2 | 0 | alkane | xenobiotic |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 3.13 | 1 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 7.08 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
parathion [no description available] | 1.96 | 1 | 0 | C-nitro compound; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; mouse metabolite |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
benzophenone benzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups. | 2.13 | 1 | 0 | benzophenones | photosensitizing agent; plant metabolite |
2-propanol 2-Propanol: An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.. propan-2-ol : A secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. | 2 | 1 | 0 | secondary alcohol; secondary fatty alcohol | protic solvent |
ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 3.06 | 4 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
vinyl chloride Vinyl Chloride: A gas that has been used as an aerosol propellant and is the starting material for polyvinyl resins. Toxicity studies have shown various adverse effects, particularly the occurrence of liver neoplasms.. chloroethene : A monohaloethene that is ethene in which one of the hydrogens has been replaced by a chloro group. | 1.96 | 1 | 0 | chloroethenes; gas molecular entity; monohaloethene | carcinogenic agent |
2-acetyltributylcitrate [no description available] | 2.13 | 1 | 0 | organooxygen compound | |
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. | 2.63 | 2 | 0 | alkadiene; hemiterpene; volatile organic compound | plant metabolite |
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. | 1.96 | 1 | 0 | chloroethenes | inhalation anaesthetic; mouse metabolite |
cumene hydroperoxide cumene hydroperoxide: RN given refers to parent cpd. cumene hydroperoxide : A peroxol that is cumene in which the alpha-hydrogen is replaced by a hydroperoxy group. | 1.96 | 1 | 0 | peroxol | environmental contaminant; Mycoplasma genitalium metabolite; oxidising agent |
1,2,3,4-tetrahydroisoquinoline 1,2,3,4-tetrahydroisoquinoline: RN given refers to cpd with locants as specified | 3.25 | 1 | 0 | isoquinolines | |
styrene Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.. styrene : A vinylarene that is benzene carrying a vinyl group. It has been isolated from the benzoin resin produced by Styrax species. | 2.77 | 3 | 0 | styrenes; vinylarene; volatile organic compound | mouse metabolite; mutagen; plant metabolite |
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. | 3.25 | 1 | 0 | alkylbenzene | |
n-butylbenzene butylbenzene : An alkylbenzene that is benzene substituted by a butyl group at position 1. | 2.02 | 1 | 0 | alkylbenzene | |
bromobenzene [no description available] | 3.25 | 1 | 0 | bromoarene; bromobenzenes; volatile organic compound | hepatotoxic agent; mouse metabolite; non-polar solvent |
chlorobenzene [no description available] | 3.25 | 1 | 0 | monochlorobenzenes | solvent |
cyclohexene cyclohexene : A cycloalkene that is cylohexane with a single double bond. | 2.11 | 1 | 0 | cycloalkene | |
isoquinoline [no description available] | 3.25 | 1 | 0 | azaarene; isoquinolines; mancude organic heterobicyclic parent; ortho-fused heteroarene | |
n-butyl acrylate butyl acrylate : An acrylate ester obtained by the formal condensation of the hydroxy group of butan-1-ol with the carboxy group of acrylic acid. | 2.17 | 1 | 0 | acrylate ester | |
benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.13 | 1 | 0 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
thiazoles [no description available] | 2 | 1 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
pyridazine pyridazine: structure given in first source | 3.25 | 1 | 0 | diazine; pyridazines | |
pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 3.25 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
pyrazines Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 3.25 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
cyclooctane [no description available] | 3.25 | 1 | 0 | | |
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. | 3.25 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
dihydrotestosterone Dihydrotestosterone: A potent androgenic metabolite of TESTOSTERONE. It is produced by the action of the enzyme 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE.. 17beta-hydroxyandrostan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4-5 double bond has been reduced to a single bond with unspecified configuration at position 5.. 17beta-hydroxy-5alpha-androstan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4,5 double bond has been reduced to a single bond with alpha-configuration at position 5. | 3.25 | 1 | 0 | 17beta-hydroxy steroid; 17beta-hydroxyandrostan-3-one; 3-oxo-5alpha-steroid | androgen; Daphnia magna metabolite; human metabolite; mouse metabolite |
1-hexene 1-hexene: structure in first source. 1-hexene : An alkene that is hexane carrying a double bond at position 1. | 2.48 | 2 | 0 | alkene | |
vinyl bromide vinyl bromide: structure | 1.96 | 1 | 0 | bromoalkene; monohaloethene | |
isosorbide Isosorbide: 1,4:3,6-Dianhydro D-glucitol. Chemically inert osmotic diuretic used mainly to treat hydrocephalus; also used in glaucoma. | 2.1 | 1 | 0 | organic molecular entity | |
dodecyldimethylamine oxide dodecyldimethylamine oxide: zwitterionic detergent. dodecyldimethylamine N-oxide : A tertiary amine oxide resulting from the formal oxidation of the amino group of dodecyldimethylamine. | 2.06 | 1 | 0 | tertiary amine oxide | detergent; plant metabolite |
1-octen-3-ol 1-octen-3-ol: main flavor component of mushrooms; RN given refers to cpd without isomeric designation; bait for insect vectors (tsetse, sandflies, mosquitoes). oct-1-en-3-ol : An alkenyl alcohol with a structure based on a C8 unbranched chain with the hydroxy group at C-2 and unsaturation at C-1-C-2. It is a major volatile compound present in many mushrooms and fungi. | 2.21 | 1 | 0 | alkenyl alcohol; medium-chain fatty alcohol | antimicrobial agent; fungal metabolite; insect attractant; volatile oil component |
osmium Osmium: A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os. | 2.11 | 1 | 0 | iron group element atom; platinum group metal atom | |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.1 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
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. | 2.01 | 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. | 3.15 | 5 | 0 | cobalt group element atom | |
zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 2.05 | 1 | 0 | titanium group element atom | |
phosphine phosphane : The simplest phosphine, consisting of a single phosphorus atom with three hydrogens attached.. phosphine : Phosphane (PH3) and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: RPH2, R2PH, R3P (R =/= H) are called primary, secondary and tertiary phosphines, respectively. A specific phosphine is preferably named as a substituted phosphane. | 2.75 | 3 | 0 | mononuclear parent hydride; phosphanes; phosphine | carcinogenic agent; fumigant insecticide |
bromine Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 2 | 1 | 0 | diatomic bromine | |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 3.52 | 2 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
zirconium chloride zirconium tetrachloride : A zirconium coordination entity comprising four chlorine atoms bound to a central zirconium atom. | 2.05 | 1 | 0 | inorganic chloride; zirconium coordination entity | catalyst |
iodine [no description available] | 2.1 | 1 | 0 | halide anion; monoatomic iodine | human metabolite |
dioctyl adipate [no description available] | 2.13 | 1 | 0 | carboxylic ester | |
alkenes [no description available] | 6.91 | 36 | 0 | | |
sodium azide Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 1.96 | 1 | 0 | inorganic sodium salt | antibacterial agent; explosive; mitochondrial respiratory-chain inhibitor; mutagen |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 1.96 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
4-pyridylmethylamine 4-pyridylmethylamine: structure given in first source | 2.08 | 1 | 0 | | |
1,4-3,6-dianhydromannitol 1,4-3,6-dianhydromannitol: structure in first source | 2.1 | 1 | 0 | | |
tenax tenax: porous polymer based on 2,6-diphenyl-p-phenylene oxide; used for trapping volatile organic compounds | 2.01 | 1 | 0 | | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.05 | 1 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
3-octanone 3-octanone : A dialkyl ketone that is octane in which the two methylene protons at position 3 have been replaced by an oxo group. | 2.21 | 1 | 0 | dialkyl ketone | antifeedant; biomarker; fungal metabolite; human urinary metabolite; insect attractant; plant metabolite; toxin |
1,4-diphenylbutadiene [no description available] | 2.13 | 1 | 0 | styrenes | |
nadp [no description available] | 1.96 | 1 | 0 | | |
chloramine-t chloramine-T: RN given refers to unlabeled parent cpd. chloramine T : An organic sodium salt derivative of toluene-4-sulfonamide with a chloro substituent in place of an amino hydrogen. | 2.11 | 1 | 0 | organic sodium salt | allergen; antifouling biocide; disinfectant |
silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 2.02 | 1 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
zeolites [no description available] | 3.64 | 2 | 0 | | |
bleomycetin bleomycetin: RN given refers to parent cpd | 2 | 1 | 0 | | |
heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 2.37 | 2 | 0 | | |
salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 2.07 | 1 | 0 | monohydroxybenzoate | plant metabolite |