| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.49 | 2 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
benzene
[no description available] | 2.57 | 2 | 0 | aromatic annulene;
benzenes;
volatile organic compound | carcinogenic agent;
environmental contaminant;
non-polar solvent |
butyraldehyde
[no description available] | 2.49 | 2 | 0 | butanals | biomarker;
Escherichia coli metabolite;
mouse metabolite |
formic acid
formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 2.05 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
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). | 2.06 | 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. | 2.11 | 1 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
diacetyl
butane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. | 2.04 | 1 | 0 | alpha-diketone | Escherichia coli metabolite;
Saccharomyces cerevisiae 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. | 2.05 | 1 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.25 | 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 |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.11 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
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. | 1.96 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
piperonyl butoxide
[no description available] | 1.96 | 1 | 0 | benzodioxoles | pesticide synergist |
carbon tetrachloride
Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.11 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
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. | 2.13 | 1 | 0 | pentanol;
short-chain primary fatty alcohol | human metabolite;
plant metabolite |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 2.15 | 1 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
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. | 2.25 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
tert-amyl alcohol
2-methylbutan-2-ol : A tertiary alcohol that is propan-1-ol in which both of the hydrogens at position 1 have been replaced by methyl groups. | 2.13 | 1 | 0 | aliphatic alcohol;
tertiary alcohol | protic solvent |
methylethyl ketone
methylethyl ketone: solvent; colorless synthetic resins, smokeless powders; may be irritating to eyes, mucous membranes; may be toxic in high concentrations; structure. butanone : Any ketone that is butane substituted by an oxo group at unspecified position.. butan-2-one : A dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. | 2.13 | 1 | 0 | butanone;
dialkyl ketone;
methyl ketone;
volatile organic compound | bacterial metabolite;
polar aprotic solvent |
2-furoic acid
2-furoic acid: RN given refers to parent cpd. furoic acid : A monocarboxylic acid that consists of a furan ring having a single carboxylic acid group on any ring position and derivatives thereof.. 2-furoic acid : A furoic acid having the carboxylic acid group located at position 2. | 7.25 | 1 | 0 | furoic acid | bacterial xenobiotic metabolite;
human xenobiotic metabolite;
inhibitor;
plant metabolite;
Saccharomyces cerevisiae metabolite |
2-methyltetrahydrofuran
2-methyltetrahydrofuran: structure in first source | 8.06 | 4 | 0 | | |
furfuryl alcohol
furfuryl alcohol: structure. furfuryl alcohol : A furan bearing a hydroxymethyl substituent at the 2-position. | 3.28 | 5 | 0 | furans;
primary alcohol | Maillard reaction product |
furaldehyde
Furaldehyde: A heterocyclic compound consisting of a furan where the hydrogen at position 2 is substituted by a formyl group.. furfural : An aldehyde that is furan with the hydrogen at position 2 substituted by a formyl group. | 3.7 | 9 | 0 | aldehyde;
furans | Maillard reaction product;
metabolite |
pyrrolidonecarboxylic acid
Pyrrolidonecarboxylic Acid: A cyclized derivative of L-GLUTAMIC ACID. Elevated blood levels may be associated with problems of GLUTAMINE or GLUTATHIONE metabolism.. 5-oxo-L-proline : An optically active form of 5-oxoproline having L-configuration. | 1.97 | 1 | 0 | 5-oxoproline;
L-proline derivative;
non-proteinogenic L-alpha-amino acid | algal metabolite |
ethylbenzene
[no description available] | 2.11 | 1 | 0 | alkylbenzene | |
acrolein
[no description available] | 1.96 | 1 | 0 | enal | herbicide;
human xenobiotic metabolite;
toxin |
3-hydroxybutanal
[no description available] | 2.13 | 1 | 0 | | |
furan
furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 5.01 | 9 | 1 | furans;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | carcinogenic agent;
hepatotoxic agent;
Maillard reaction product |
n-dodecane
dodecane : A straight-chain alkane with 12 carbon atoms. It has been isolated from the essential oils of various plants including Zingiber officinale (ginger). | 2.04 | 1 | 0 | alkane | plant metabolite |
meglumine
Meglumine: 1-Deoxy-1-(methylamino)-D-glucitol. A derivative of sorbitol in which the hydroxyl group in position 1 is replaced by a methylamino group. Often used in conjunction with iodinated organic compounds as contrast medium.. N-methylglucamine : A hexosamine that is D-glucitol in which the hydroxy group at position 1 is substituted by the nitrogen of a methylamino group. A crystalline base, it is used in preparing salts of certain acids for use as diagnostic radiopaque media, while its antimonate is used as an antiprotozoal in the treatment of leishmaniasis. | 1.93 | 1 | 0 | hexosamine;
secondary amino compound | |
mesityl oxide
mesityl oxide: solvent for extraction of nitrocellulose, many resins, & tellurium; structure | 7.13 | 1 | 0 | olefinic compound | |
thiazoles
[no description available] | 1.97 | 1 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
thiazolidines
Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 1.97 | 1 | 0 | thiazolidine | |
ethyl levulinate
ethyl levulinate: structure in first source | 2.55 | 2 | 0 | oxo carboxylic acid | |
5-methyl-2-furfural
5-methyl-2-furfural: RN given refers to cpd with locants as specified | 2.06 | 1 | 0 | aldehyde;
furans | EC 2.2.1.6 (acetolactate synthase) inhibitor;
flavouring agent;
human metabolite;
Maillard reaction product |
2,5-dimethylfuran
2,5-dimethylfuran: metabolite of n-hexane. 2,5-dimethylfuran : A member of the class of furans that is furan in which the hydrogens at positions 2 and 5 are replaced by methyl groups. | 3.33 | 6 | 0 | furans | antifungal agent;
bacterial metabolite;
fuel;
fumigant;
human urinary metabolite;
Maillard reaction product;
plant metabolite |
3-methylfuran
3-methylfuran: RN given refers to cpd with specified locant for methyl group. 3-methylfuran : A member of the class of furans that is furan in which the hydrogen at position 3 is replaced by a methyl group. It is a chemical that is produced in foods during food processing and preservation techniques that involve heat treatment such as cooking and pasteurization. | 3.02 | 4 | 0 | furans;
volatile organic compound | Aspergillus metabolite;
environmental contaminant;
fungal metabolite;
Penicillium metabolite;
plant metabolite |
undecane
undecane : A straight-chain alkane with 11 carbon atoms. | 2.06 | 1 | 0 | alkane | |
2-acetylfuran
2-acetylfuran : A furan carrying an acetyl substituent at the 2-position. Used in the production of the antibiotic cefuroxime (CHEBI:3515). | 2.17 | 1 | 0 | aromatic ketone;
furans;
methyl ketone | |
methionine sulfoximine
methionine sulfoximine : A non-proteinogenic alpha-amino acid that is the sulfoximine derivative of methionine . | 1.97 | 1 | 0 | methionine derivative;
non-proteinogenic alpha-amino acid;
sulfoximide | |
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. | 2.17 | 1 | 0 | furans;
volatile organic compound | bacterial metabolite;
fragrance;
Maillard reaction product;
plant metabolite |
2-pentylfuran
2-pentylfuran: structure in first source. 2-pentylfuran : A member of the class of furans that is furan in which the hydrogen at position 2 is replaced by a pentyl group. It is found in many heat-processed foods and drinks. | 7.55 | 2 | 0 | furans | Aspergillus metabolite;
bacterial metabolite;
flavouring agent;
human urinary metabolite;
insect repellent;
plant growth stimulator;
volatile oil component |
buthionine sulfoximine
Buthionine Sulfoximine: A synthetic amino acid that depletes glutathione by irreversibly inhibiting gamma-glutamylcysteine synthetase. Inhibition of this enzyme is a critical step in glutathione biosynthesis. It has been shown to inhibit the proliferative response in human T-lymphocytes and inhibit macrophage activation. (J Biol Chem 1995;270(33):1945-7). 2-amino-4-(S-butylsulfonimidoyl)butanoic acid : A non-proteinogenic alpha-amino acid that is homocysteine in which the thiol group carries an oxo, imino and butyl groups.. S-butyl-DL-homocysteine (S,R)-sulfoximine : A sulfoximide that is the sulfoximine derivative of an analogue of DL-methionine in which the S-methyl group is replaced by S-butyl. | 1.97 | 1 | 0 | diastereoisomeric mixture;
homocysteines;
non-proteinogenic alpha-amino acid;
sulfoximide | EC 6.3.2.2 (glutamate--cysteine ligase) inhibitor;
ferroptosis inducer |
molybdenum
Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 7.1 | 1 | 0 | chromium group element atom | micronutrient |
niobium
Niobium: A metal element atomic number 41, atomic weight 92.906, symbol Nb. | 2.15 | 1 | 0 | vanadium group element 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. | 8.21 | 5 | 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. | 2.49 | 2 | 0 | elemental platinum;
nickel group element atom;
platinum group metal atom | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 7.11 | 1 | 0 | dihydrogen | |
fluorosulfonic acid
perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer | 2.77 | 3 | 0 | sulfur oxoacid | NMR solvent |
galactose
aldohexose : A hexose with a (potential) aldehyde group at one end. | 2.06 | 1 | 0 | | |
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. | 2.13 | 1 | 0 | alkyl alcohol;
primary alcohol;
volatile organic compound | antifungal agent;
Saccharomyces cerevisiae metabolite;
xenobiotic metabolite |
alkenes
[no description available] | 2.06 | 1 | 0 | | |
meglumine antimoniate
Meglumine Antimoniate: ANTIMONY salt of meglumine that is used in the treatment of LEISHMANIASIS. | 1.93 | 1 | 0 | | |
2-oxothiazolidine-4-carboxylic acid
2-oxothiazolidine-4-carboxylic acid: analog of 5-oxoproline in which the 4-methylene moiety is replaced by sulfur; acts as 5-oxo-L-prolinase substrate; structure in first source; RN given refers to parent cpd without isomeric designation; Procysteine is a trade name | 1.97 | 1 | 0 | | |
anthiolimine
anthiolimine: structure | 1.93 | 1 | 0 | | |
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.25 | 1 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic |
erythrose
D-erythrose : The D-enantiomer of erythrose. | 2.03 | 1 | 0 | erythrose | plant metabolite |
carbene
carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.06 | 1 | 0 | carbene;
methanediyl | |
xylose
xylopyranose: structure in first source | 7.13 | 1 | 0 | D-xylose | |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.77 | 3 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
lignin
Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 2.78 | 3 | 0 | | |
bradykinin
[no description available] | 1.93 | 1 | 0 | oligopeptide | human blood serum metabolite;
vasodilator agent |
dehydroascorbic acid
Dehydroascorbic Acid: The reversibly oxidized form of ascorbic acid. It is the lactone of 2,3-DIKETOGULONIC ACID and has antiscorbutic activity in man on oral ingestion.. L-dehydroascorbate : An organic anion and the conjugate base of L-dehydroascorbic acid, arising from deprotonation of the acidic C2-position.. L-dehydroascorbic acid : Dehydroascorbic acid having the L-configuration. | 2.03 | 1 | 0 | dehydroascorbic acid;
vitamin C | coenzyme;
mouse metabolite |
nadp
[no description available] | 1.96 | 1 | 0 | | |
methyl radical
[no description available] | 2.06 | 1 | 0 | organic radical | |
cystine
[no description available] | 1.97 | 1 | 0 | | |
4-hydroxy-5-methyl-3(2h)-furanone
4-hydroxy-5-methyl-3-furanone : A member of the class of furans that is 5-methyl-2,3-dihydrofuran with a hydroxy group at position 4 and a keto group at position 3. | 2.05 | 1 | 0 | cyclic ketone;
enol;
furans | metabolite |
diethyl maleate
diethyl maleate : A maleate ester resulting from the formal condensation of both carboxy groups of maleic acid with ethanol. A colourless liquid at room temperature (m.p. -10degreeC) with boiling point 220degreeC at 1 atm., it is commonly used as a dienophile for Diels-Alder-type cycloaddition reactions in organic synthesis. | 1.97 | 1 | 0 | ethyl ester;
maleate ester | glutathione depleting agent |
antimony
Antimony: A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes. | 1.93 | 1 | 0 | metalloid atom;
pnictogen | |
zeolites
[no description available] | 2.15 | 1 | 0 | | |
molybdenum carbide
molybdenum carbide: catalyst for the hydrodeoxygenation of vegetable oils | 7.1 | 1 | 0 | | |
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. | 2.03 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |