Substance | Relationship Strength | Studies | Trials | Classes | Roles |
acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 2.02 | 1 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
octanoic acid octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764. octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid. | 2.05 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | antibacterial agent; Escherichia coli metabolite; human metabolite |
guaiacol Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2.02 | 1 | 0 | guaiacols | disinfectant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; expectorant; plant metabolite |
indoleacetic acid indoleacetic acid: RN given refers to unlabeled parent cpd; structure in Merck Index, 9th ed, #4841. auxin : Any of a group of compounds, both naturally occurring and synthetic, that induce cell elongation in plant stems (from Greek alphaupsilonxialphanuomega, "to grow").. indole-3-acetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group. | 2.05 | 1 | 0 | indole-3-acetic acids; monocarboxylic acid | auxin; human metabolite; mouse metabolite; plant hormone; plant metabolite |
phenylacetic acid phenylacetic acid : A monocarboxylic acid that is toluene in which one of the hydrogens of the methyl group has been replaced by a carboxy group. | 2.05 | 1 | 0 | benzenes; monocarboxylic acid; phenylacetic acids | allergen; Aspergillus metabolite; auxin; EC 6.4.1.1 (pyruvate carboxylase) inhibitor; Escherichia coli metabolite; human metabolite; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite; toxin |
1-propanol 1-Propanol: A colorless liquid made by oxidation of aliphatic hydrocarbons that is used as a solvent and chemical intermediate.. propan-1-ol : The parent member of the class of propan-1-ols that is propane in which a hydrogen of one of the methyl groups is replaced by a hydroxy group. | 2.02 | 1 | 0 | propan-1-ols; short-chain primary fatty alcohol | metabolite; protic solvent |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.02 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
phenylethyl alcohol Phenylethyl Alcohol: An antimicrobial, antiseptic, and disinfectant that is used also as an aromatic essence and preservative in pharmaceutics and perfumery.. 2-phenylethanol : A primary alcohol that is ethanol substituted by a phenyl group at position 2. | 2.47 | 2 | 0 | benzenes; primary alcohol | Aspergillus metabolite; fragrance; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite |
n-hexanal [no description available] | 2.02 | 1 | 0 | medium-chain fatty aldehyde; n-alkanal; saturated fatty aldehyde | human urinary metabolite |
n-pentanol n-pentanol: RN given refers to parent cpd. pentan-1-ol : A short-chain primary fatty alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia. | 2.91 | 4 | 0 | pentanol; short-chain primary fatty alcohol | human metabolite; plant metabolite |
linalool linalool: RN given refers to parent cpd without isomeric designation; structure. linalool : A monoterpenoid that is octa-1,6-diene substituted by methyl groups at positions 3 and 7 and a hydroxy group at position 3. It has been isolated from plants like Ocimum canum. | 2.02 | 1 | 0 | monoterpenoid; tertiary alcohol | antimicrobial agent; fragrance; plant metabolite; volatile oil component |
camphene camphene : A monoterpene with a bicyclic skeleton that is bicyclo[2.2.1]heptane substituted by geminal methyl groups at position 2 and a methylidene group at position 3. It is a widespread natural product found in many essential oils. | 2.02 | 1 | 0 | carbobicyclic compound; monoterpene | fragrance; plant metabolite |
2-heptanone heptan-2-one : A dialkyl ketone with methyl and pentyl as the alkyl groups. | 2.43 | 2 | 0 | dialkyl ketone; methyl ketone | mouse metabolite; pheromone |
pentanal pentanal : A saturated fatty aldehyde composed from five carbons in a straight chain. | 2.02 | 1 | 0 | saturated fatty aldehyde | plant metabolite |
1-hexanol 1-hexanol: RN given refers to parent cpd. hexanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of six carbon atoms.. hexan-1-ol : A primary alcohol that is hexane substituted by a hydroxy group at position 1. | 2.02 | 1 | 0 | hexanol; primary alcohol | alarm pheromone; antibacterial agent; fragrance; plant metabolite |
1-octene 1-octene: RN given refers to parent cpd. 1-octene : An octene with an unsaturation C-1. | 2.21 | 1 | 0 | octene | |
octyl acetate octyl acetate : The acetate ester of octan-1-ol. | 2.06 | 1 | 0 | acetate ester | plant metabolite |
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. | 2.07 | 1 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
ethyl acetate ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 2.46 | 2 | 0 | acetate ester; ethyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; metabolite; polar aprotic solvent; Saccharomyces cerevisiae metabolite |
hexanoic acid hexanoic acid : A C6, straight-chain saturated fatty acid. | 2.05 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | human metabolite; plant metabolite |
elemene elemene: a sclerosing and antineoplastic agent isolated from Curcuma wenyujin & Rhizoma zedoariae; beta- and delta- elemene are also available | 2.03 | 1 | 0 | | |
prenol [no description available] | 2.1 | 1 | 0 | alkenyl alcohol; prenols | |
methyl n-butyl ketone Methyl n-Butyl Ketone: An industrial solvent which causes nervous system degeneration. MBK is an acronym often used to refer to it.. hexanone : A ketone that is a hexane carrying an oxo substituent at unspecified position. | 2.08 | 1 | 0 | ketone | |
2,3-pentanedione pentane-2,3-dione : An alpha-diketone that is pentane substituted at the 2- and 3-positions by oxo groups. | 2.02 | 1 | 0 | alpha-diketone; methyl ketone | flavouring agent |
1-penten-3-ol [no description available] | 2.02 | 1 | 0 | alcohol | |
2-piperidone 2-piperidone: structure given in first source. piperidin-2-one : A delta-lactam that is piperidine which is substituted by an oxo group at position 2. | 2.05 | 1 | 0 | delta-lactam; piperidones | EC 1.2.1.88 (L-glutamate gamma-semialdehyde dehydrogenase) inhibitor |
2-nonanone 2-nonanone: RN given refers to cpd with locant for oxo moiety in position 2. nonanone : Any ketone that is nonane substituted by an oxo group at unspecified position.. nonan-2-one : A methyl ketone that is nonane in which the methylene hydrogens at position 2 are replaced by an oxo group. | 2.08 | 1 | 0 | methyl ketone | plant metabolite |
1,2-octanediol [no description available] | 2.1 | 1 | 0 | octanediol | |
2-ethylfuran 2-ethylfuran: structure in first source. 2-ethylfuran : A member of the class of furans that is furan in which the hydrogen atom at position 2 has been replaced by an ethyl group. | 2.02 | 1 | 0 | furans; volatile organic compound | bacterial metabolite; fragrance; Maillard reaction product; plant metabolite |
methional [no description available] | 2.1 | 1 | 0 | aliphatic sulfide | prostaglandin antagonist |
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. | 3.91 | 12 | 0 | alkenyl alcohol; medium-chain fatty alcohol | antimicrobial agent; fungal metabolite; insect attractant; volatile oil component |
4-methyl-3-heptanone 4-methyl-3-heptanone: the principal alarm phermone of Atta texana & Atta cephalotes. 4-methylheptan-3-one : A dialkyl ketone that is 4-methylheptane substituted by an oxo group at position 3. | 2.47 | 2 | 0 | dialkyl ketone | alarm pheromone; flavouring agent; mammalian metabolite |
zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 2.25 | 1 | 0 | titanium group element atom | |
geosmin geosmin: earthy smelling cpd from sediment in Lake Biwa; structure. (-)-geosmin : The (-)-stereoisomer of geosmin, having 4S,4aS,8aR configuration. | 2.07 | 1 | 0 | geosmin | |
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. | 2.5 | 2 | 0 | benzenes; phenyl acetates | |
4-ethylphenol 4-ethylphenol: RN given refers to parent cpd. 4-ethylphenol : A member of the class of phenols carrying an ethyl substituent at position 4. | 2.02 | 1 | 0 | phenols | fungal xenobiotic metabolite |
myrcene myrcene: structure in first source. beta-myrcene : A monoterpene that is octa-1,6-diene bearing methylene and methyl substituents at positions 3 and 7 respectively. | 2.52 | 2 | 0 | monoterpene | anabolic agent; anti-inflammatory agent; flavouring agent; fragrance; plant metabolite; volatile oil component |
diacetone alcohol diacetone alcohol: skin irritant & catalyst for the resin used in fiberglass manufacture. diacetone alcohol : A beta-hydroxy ketone formed by hydroxylation of 4-methylpentan-2-one at the 4-position. It has been isolated from Achnatherum robustum. | 2.03 | 1 | 0 | beta-hydroxy ketone | plant metabolite |
isopentyl alcohol isopentyl alcohol: RN given refers to unlabeled parent cpd. isoamylol : An primary alcohol that is butan-1-ol in which a hydrogen at position 3 has been replaced by a methyl group. | 2.37 | 2 | 0 | alkyl alcohol; primary alcohol; volatile organic compound | antifungal agent; Saccharomyces cerevisiae metabolite; xenobiotic metabolite |
nonanal nonanal : A saturated fatty aldehyde formally arising from reduction of the carboxy group of nonanoic acid. Metabolite observed in cancer metabolism. | 2.02 | 1 | 0 | medium-chain fatty aldehyde; n-alkanal; saturated fatty aldehyde | human metabolite; plant metabolite |
alkenes [no description available] | 2.21 | 1 | 0 | | |
3-methyl-2-butenal 3-methylbut-2-enal : An enal consisting of but-2-ene with a methyl substituent at position 3 and an oxo group at position 1. | 2.1 | 1 | 0 | enal | metabolite |
1-octen-3-one 1-octen-3-one: structure in first source | 1.99 | 1 | 0 | olefinic compound | |
4-ethylguaiacol 4-ethylguaiacol: a constituent of wood creosote; suppresses intestinal smooth muscle contraction | 2.02 | 1 | 0 | methoxybenzenes; phenols | |
caprylates Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis. | 2.05 | 1 | 0 | fatty acid anion 8:0; straight-chain saturated fatty acid anion | human metabolite; Saccharomyces cerevisiae metabolite |
aristolochene [no description available] | 2.07 | 1 | 0 | aristolochene | |
(+)-delta-cadinene delta-cadinene: has antineoplastic activity; structure in first source. delta-cadinene : A member of the cadinene family of sesquiterpenes in which the double bonds are located at the 4-4a and 7-8 positions, and in which the isopropyl group at position 1 is cis to the hydrogen at the adjacent bridgehead carbon (position 8a).. (+)-delta-cadinene : A member of the cadinene family of sesquiterpenes in which the double bonds are located at the 4-4a and 7-8 positions, and in which the isopropyl group at position 1 is cis to the hydrogen at the adjacent bridgehead carbon (the 1S,8aR-enantiomer). | 2.02 | 1 | 0 | cadinene; delta-cadinene | |
pulegone pulegone: component of peppermint oil; RN given refers to cpd without isomeric designation; structure in Merck. (+)-pulegone : The (5R)-enantiomer of p-menth-4(8)-en-3-one. | 2.03 | 1 | 0 | p-menth-4(8)-en-3-one | |
2,4-hexadienal 2,4-hexadienal: RN given refers to compound with no isomeric designation. hexadienal : An enal that is hexadiene carrying an oxo group at position 1.. (E,E)-2,4-hexadienal : A hexadienal that is hexanal with trans double bonds at positions 2 and 4. It is found in tomatoes, kiwi fruit, mangoes, potato chips, herbs and spices. | 2.02 | 1 | 0 | hexadienal; polyunsaturated fatty aldehyde; volatile organic compound | flavouring agent; plant metabolite |
geraniol [no description available] | 2.05 | 1 | 0 | 3,7-dimethylocta-2,6-dien-1-ol; monoterpenoid; primary alcohol | allergen; fragrance; plant metabolite; volatile oil component |
citral citral: Xref geranial: geraniol is also available; Xref neral: nerol is also available; vitamin A antagonist; oxygenated monoterpene; inhibits cytosolic dehydrogenases; structure. citral : An enal that consists of octa-2,6-dienal bearing methyl substituents at positions 3 and 7. A mixture of the two geometric isomers geranial and neral, it is the major constituent (75-85%) of oil of lemon grass, the volatile oil of Cymbopogon citratus, or of C. flexuosus. It also occurs in oils of verbena, lemon, and orange. | 2.05 | 1 | 0 | enal; monoterpenoid; polyprenal | plant metabolite; volatile oil component |
sesquiterpenes [no description available] | 2.76 | 3 | 0 | | |
nadp [no description available] | 1.99 | 1 | 0 | | |
2-hexenal, z-isomer 2-hexenal: product of lipid peroxidation in the rat liver; a green odor chemical; do not confuse with the hexabarbital synonym, hexenal; RN given refers to cpd without isomeric designation. 2-hexenal : A hexenal having the double bond at the 2-position.. (2E)-hexenal : A 2-hexenal in which the olefinic double bond has E configuration. It occurs naturally in a wide range of fruits, vegetables, and spices. | 2.02 | 1 | 0 | 2-hexenal | antibacterial agent; flavouring agent; plant metabolite |
humulene humulene: structure given in first source. (1E,4E,8E)-alpha-humulene : The (1E,4E,8E)-isomer of alpha-humulene. | 2.02 | 1 | 0 | alpha-humulene | |
2,4-heptadienal 2,4-heptadienal: structure in first source. (E,E)-hepta-2,4-dienal : A heptadienal in which the two double bonds are located at positions 2 and 4 (the E,E-geoisomer). | 2.02 | 1 | 0 | heptadienal | flavouring agent |
2-octenal 2-octenal: RN given refers to cpd without isomeric designation. (E)-oct-2-enal : The (E)-isomer of oct-2-enal.. oct-2-enal : An enal consisting of oct-2-ene having an oxo group at the 1-position. | 1.99 | 1 | 0 | oct-2-enal | antifungal agent; volatile oil component |
caryophyllene caryophyllene: RN given refers to cpd without isomeric designation; structure given in first source | 2.13 | 1 | 0 | | |
2-pentenal 2-pentenal: RN given refers to cpd without isomeric designation. 2-pentenal : An enal consisting of pent-2-ene having an oxo group at the 1-position. (E)-2-pentenal : A 2-pentenal in which the double bond has (E)-configuration. It is found in cigarette smoke, virgin olive oil, and milk. | 2.02 | 1 | 0 | 2-pentenal | plant metabolite |
germacrene d germacrene D: RN in 9th CI Form Index for unspecified stereoisomer: 37839-63-7 | 2.07 | 1 | 0 | | |
valencene valencene: structure in first source. (+)-valencene : A carbobicyclic compound and sesquiterpene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene which is substituted a prop-1-en-2-yl group at position 3 and by methyl groups at positions 4a and 5 (the 3R,4aS,5R- diastereoisomer). | 2.07 | 1 | 0 | carbobicyclic compound; polycyclic olefin; sesquiterpene | |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.99 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
4-sulfophenylmethallyl ether [no description available] | 2.13 | 1 | 0 | | |
2-methylisoborneol 2-methylisoborneol: structure. 2-methylisoborneol : An bornane monoterpenoid comprising isoborneol carrying a 2-methyl substituent (the 1R,2R,4R-diastereomer). | 2.07 | 1 | 0 | | |