Substance | Relationship Strength | Studies | Trials | Classes | Roles |
bromide Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) | 3.17 | 5 | 0 | halide anion; monoatomic bromine | |
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. | 5.21 | 45 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
carbamates [no description available] | 2.04 | 1 | 0 | amino-acid anion | |
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). | 2.6 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.02 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.52 | 2 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
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. | 2.77 | 3 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
indole [no description available] | 2.11 | 1 | 0 | indole; polycyclic heteroarene | Escherichia coli metabolite |
iodine Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.41 | 1 | 0 | diatomic iodine | nutrient |
methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 1.98 | 1 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
sulfuric acid sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 2.03 | 1 | 0 | sulfur oxoacid | catalyst |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.06 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases | 2.99 | 4 | 0 | phenanthroline | EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor |
1-anilino-8-naphthalenesulfonate 1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.07 | 1 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
phenytoin [no description available] | 2.31 | 1 | 0 | imidazolidine-2,4-dione | anticonvulsant; drug allergen; sodium channel blocker; teratogenic agent |
phenanthridone phenanthridone: coal tar derivative; structure given in first source. phenanthridone : A member of the class of phenanthridines that is phenanthridine with an oxo substituent at position 6. A poly(ADP-ribose) polymerase (PARP) inhibitor, it has been shown to exhibit immunosuppressive activity. | 2.13 | 1 | 0 | lactam; phenanthridines | EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; immunosuppressive agent; mutagen |
fluoxetine Fluoxetine: The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.. fluoxetine : A racemate comprising equimolar amounts of (R)- and (S)-fluoxetine. A selective serotonin reuptake inhibitor (SSRI), it is used (generally as the hydrochloride salt) for the treatment of depression (and the depressive phase of bipolar disorder), bullimia nervosa, and obsessive-compulsive disorder.. N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propan-1-amine : An aromatic ether consisting of 4-trifluoromethylphenol in which the hydrogen of the phenolic hydroxy group is replaced by a 3-(methylamino)-1-phenylpropyl group. | 2.01 | 1 | 0 | (trifluoromethyl)benzenes; aromatic ether; secondary amino compound | |
benzimidazole 1H-benzimidazole : The 1H-tautomer of benzimidazole. | 2.08 | 1 | 0 | benzimidazole; polycyclic heteroarene | |
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2.07 | 1 | 0 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
4-toluenesulfonic acid 4-toluenesulfonic acid: RN given refers to parent cpd; other RNs in 9th CI Form Index. toluene-4-sulfonic acid : An arenesulfonic acid that is benzenesulfonic acid in which the hydrogen at position 4 is replaced by a methyl group. | 2.08 | 1 | 0 | arenesulfonic acid; toluenes | |
aniline [no description available] | 2.02 | 1 | 0 | anilines; primary arylamine | |
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. | 2.08 | 1 | 0 | formamides; volatile organic compound | geroprotector; hepatotoxic agent; polar aprotic solvent |
acetyl chloride [no description available] | 2.02 | 1 | 0 | acyl chloride | |
trifluoroacetic acid Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 2.02 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; reagent |
dimethyl sulfate dimethyl sulfate: RN given refers to unlabeled cpd; structure. dimethyl sulfate : The dimethyl ester of sulfuric acid. | 2.03 | 1 | 0 | alkyl sulfate | alkylating agent; immunosuppressive agent |
benzotrifluoride alpha,alpha,alpha-trifluorotoluene: structure in first source. (trifluoromethyl)benzene : A fluorohydrocarbon that is fluoroform in which the hydrogen is substituted by a phenyl group. | 2.01 | 1 | 0 | (trifluoromethyl)benzenes; fluorohydrocarbon | environmental contaminant; NMR chemical shift reference compound; solvent |
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. | 2.06 | 1 | 0 | styrenes; vinylarene; volatile organic compound | mouse metabolite; mutagen; plant metabolite |
diisopropylamine diisopropylamine: structure given in first source | 1.98 | 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. | 2.49 | 2 | 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. | 2.31 | 1 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
isoquinoline [no description available] | 2.08 | 1 | 0 | azaarene; isoquinolines; mancude organic heterobicyclic parent; ortho-fused heteroarene | |
2-naphthol 2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 2.02 | 1 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
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. | 2.13 | 1 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinazolines | |
hydrazine diamine : Any polyamine that contains two amino groups. | 2.11 | 1 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
diazomethane Diazomethane: A diazonium compound with the formula CH2N2.. diazomethane : The simplest diazo compound, in which a diazo group is attached to a methylene group. | 2.15 | 1 | 0 | diazo compound | alkylating agent; antineoplastic agent; carcinogenic agent; poison |
hydantoins Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.31 | 1 | 0 | imidazolidine-2,4-dione | |
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. | 2.01 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
1,1-diphenylethylene 1,1-diphenylethylene: structure | 2.11 | 1 | 0 | | |
1-hexene 1-hexene: structure in first source. 1-hexene : An alkene that is hexane carrying a double bond at position 1. | 2.02 | 1 | 0 | alkene | |
2-iodobenzenamine 2-iodobenzenamine: structure in first source | 2.08 | 1 | 0 | | |
potassium hydroxide potassium hydroxide: RN given refers to cpd with MF of K-OH | 2.57 | 2 | 0 | alkali metal hydroxide | |
carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.03 | 1 | 0 | carbon oxoanion | |
propargyl ether propargyl ether: structure in first source | 2.41 | 1 | 0 | | |
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. | 2.95 | 4 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
fluorides [no description available] | 2.44 | 2 | 0 | halide anion; monoatomic fluorine | |
iodine [no description available] | 2.77 | 3 | 0 | halide anion; monoatomic iodine | human metabolite |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.44 | 2 | 0 | benzenes; phenyl acetates | |
alkenes [no description available] | 2.74 | 3 | 0 | | |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.31 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
neocuproine neocuproine: Spectrophotometric determination of copper and ultramicro blood sugar determinations; structure; RN given refers to parent cpd. neocuproine : A member of the class of phenanthrolines that is 1,10-phenanthroline bearing two methyl substituents at positions 2 and 9. | 2.06 | 1 | 0 | phenanthrolines | chelator; copper chelator |
1,7-phenanthroline [no description available] | 3.17 | 5 | 0 | phenanthroline | |
trifluoroacetamide [no description available] | 2.02 | 1 | 0 | | |
1,5-diazabicyclo(4.3.0)non-5-ene 1,5-diazabicyclo(4.3.0)non-5-ene: inhibitor of indolamine-N-methyltransferase; RN given refers to parent cpd; structure | 2.08 | 1 | 0 | pyrrolopyrimidine | |
1,2-dioxetane [no description available] | 2.02 | 1 | 0 | | |
dehydroalanine 2-ammonioprop-2-enoate : An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of 2-aminoacrylic acid.. 2-aminoacrylic acid : A 2,3-dehydroamino acid that is alanine which has been dehydrogenated to introduce a double bond between positions 2 and 3. | 2.07 | 1 | 0 | 2,3-dehydroamino acid; alpha,beta-unsaturated monocarboxylic acid; amino acid zwitterion; enamine; non-proteinogenic alpha-amino acid | alkylating agent; human metabolite; mouse metabolite |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.41 | 1 | 0 | | |
2-oxindole 2-oxindole: RN given refers to parent cpd; structure. indolin-2-one : An indolinone carrying an oxo group at position 2. | 2.07 | 1 | 0 | gamma-lactam; indolinone | |
anhydrolycorinone anhydrolycorinone: structure in first source | 2.07 | 1 | 0 | phenanthridines | |
tacrolimus Tacrolimus: A macrolide isolated from the culture broth of a strain of Streptomyces tsukubaensis that has strong immunosuppressive activity in vivo and prevents the activation of T-lymphocytes in response to antigenic or mitogenic stimulation in vitro.. tacrolimus (anhydrous) : A macrolide lactam containing a 23-membered lactone ring, originally isolated from the fermentation broth of a Japanese soil sample that contained the bacteria Streptomyces tsukubaensis. | 2.08 | 1 | 0 | macrolide lactam | bacterial metabolite; immunosuppressive agent |
tetronic acid tetronic acid: structure; in fifth source | 2.05 | 1 | 0 | | |
stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 2.58 | 2 | 0 | stilbene | |
vasicine vasicine: RN given refers to (R)-isomer | 2.13 | 1 | 0 | | |
triethyloxonium tetrafluoroborate triethyloxonium tetrafluoroborate: a trialkyloxonium salt (Meerweins' reagents) | 2.07 | 1 | 0 | | |
lithium Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 1.98 | 1 | 0 | alkali metal atom | |
cesium Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency. | 2.03 | 1 | 0 | alkali metal atom | |
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]. | 2.46 | 2 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
cholest-8(14)-en-3-ol-15-one cholest-8(14)-en-3-ol-15-one: structure given in first source; regulator of cholesterol metabolism; RN given refers to (3beta,5alpha)-isomer. 3beta-hydroxy-5alpha-cholest-8(14)-en-15-one : A 3beta-hydroxysteroid consisting of 3beta-hydroxy-5alpha-cholest-8(14)-ene having an additional oxo group at the 15-position. | 1.98 | 1 | 0 | 15-oxo steroid; 3beta-hydroxy steroid | |
phytosterols Phytosterols: A class of organic compounds known as sterols or STEROIDS derived from plants.. phytosterols : Sterols similar to cholesterol which occur in plants and vary only in carbon side chains and/or presence or absence of a double bond. | 2.07 | 1 | 0 | | |
vulpinic acid vulpinic acid: RN given refers to cpd without isomeric designation; structure given in first source; vulpinic acid refers to (E)-isomer | 2.05 | 1 | 0 | butenolide | |
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. | 2.13 | 1 | 0 | | |