| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
1,2,4-trichlorobenzene
1,2,4-trichlorobenzene : A trichlorobenzene with chloro substituents at positions 1, 2 and 4. | 2.69 | 3 | 0 | trichlorobenzene | |
protocatechuic acid
protocatechuic acid: RN given refers to parent cpd; structure. 3,4-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. | 2.43 | 2 | 0 | catechols;
dihydroxybenzoic acid | antineoplastic agent;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
3-oxoadipic acid
3-oxoadipic acid: RN given refers to parent cpd. 3-oxoadipic acid : An oxo dicarboxylic acid consisting of adipic acid having a single oxo group at the 3-position. | 2.42 | 2 | 0 | dicarboxylic fatty acid;
oxo dicarboxylic acid | bacterial xenobiotic metabolite;
human metabolite |
4-hydroxybenzoic acid
4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 3.48 | 8 | 0 | monohydroxybenzoic acid | algal metabolite;
plant metabolite |
anthranilic acid
anthranilic acid: RN given refers to parent cpd; structure in Negwer, 5th ed, #565. anthranilic acid : An aminobenzoic acid that is benzoic acid having a single amino substituent located at position 2. It is a metabolite produced in L-tryptophan-kynurenine pathway in the central nervous system. | 1.98 | 1 | 0 | aminobenzoic acid | human metabolite;
mouse metabolite |
benzoic acid
Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 4.86 | 11 | 0 | benzoic acids | algal metabolite;
antimicrobial food preservative;
drug allergen;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
catechol
[no description available] | 2.45 | 2 | 0 | catechols | allelochemical;
genotoxin;
plant metabolite |
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). | 2.03 | 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. | 2.89 | 4 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
salicylic acid
Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 1.95 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite |
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. | 1.96 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | antibacterial agent;
Escherichia coli metabolite;
human metabolite |
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. | 2.46 | 2 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
imidazole
imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 1.99 | 1 | 0 | imidazole | |
acetanilide
acetanilide: a phenylacetamide; use ACETANILIDES for the plural group meaning of the singular term. N-phenylacetamide : A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen is substituted by a phenyl group. | 1.95 | 1 | 0 | acetamides;
anilide | analgesic |
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. | 2.25 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.92 | 4 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
4-aminobenzoic acid
4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group. | 2.89 | 4 | 0 | aminobenzoic acid;
aromatic amino-acid zwitterion | allergen;
Escherichia coli metabolite;
plant metabolite |
4-nitrophenol
4-nitrophenol: RN given refers to parent cpd. mononitrophenol : A nitrophenol that is phenol carrying a single nitro substituent at unspecified position.. 4-nitrophenol : A member of the class of 4-nitrophenols that is phenol in which the hydrogen that is para to the hydroxy group has been replaced by a nitro group. | 1.95 | 1 | 0 | 4-nitrophenols | human xenobiotic metabolite;
mouse metabolite |
pentachlorophenol
PENTA: structure given in first source | 2.15 | 1 | 0 | aromatic fungicide;
chlorophenol;
organochlorine pesticide;
pentachlorobenzenes | human xenobiotic metabolite |
phenol
[no description available] | 2.38 | 2 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite |
thiosulfates
Thiosulfates: Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.. thiosulfate(2-) : A divalent inorganic anion obtained by removal of both protons from thiosulfuric acid. | 1.99 | 1 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | human metabolite |
sulfites
Sulfites: Inorganic salts of sulfurous acid.. sulfites : Any sulfurous acid derivative that is a salt or an ester of sulfurous acid.. organosulfonate oxoanion : An organic anion obtained by deprotonation of the sufonate group(s) of any organosulfonic acid.. sulfite : A sulfur oxoanion that is the conjugate base of hydrogen sulfite (H2SO3). | 1.99 | 1 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 1.97 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
2,3-dichloro-alpha-methylbenzylamine
2,3-dichloro-alpha-methylbenzylamine: inhibitor of phenethanolamine N-methyltransferase; RN given refers to parent cpd without isomeric designation; structure | 2 | 1 | 0 | | |
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine: A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in Parkinson disease.. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine substituted by a methyl group at position 1 and a phenyl group at position 4. | 1.98 | 1 | 0 | methylpyridines;
phenylpyridine;
tetrahydropyridine | neurotoxin |
1-methylimidazole
1-methyl-1H-imidazole : A 1H-imidazole having a methyl substituent at the N-1 position. | 1.99 | 1 | 0 | imidazoles | |
2,2'-dipyridyl
2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'. | 2 | 1 | 0 | bipyridine | chelator;
ferroptosis inhibitor |
2,4-dichlorophenoxyacetic acid
2,4-Dichlorophenoxyacetic Acid: An herbicide with irritant effects on the eye and the gastrointestinal system.. 2,4-D : A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines. | 8.94 | 13 | 0 | chlorophenoxyacetic acid;
dichlorobenzene | agrochemical;
defoliant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
environmental contaminant;
phenoxy herbicide;
synthetic auxin |
beta-resorcylic acid
beta-resorcylic acid: RN given refers to parent cpd; structure | 1.95 | 1 | 0 | | |
theophylline
[no description available] | 1.95 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
antipyrine
Antipyrine: An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29). antipyrine : A pyrazolone derivative that is 1,2-dihydropyrazol-3-one substituted with methyl groups at N-1 and C-5 and with a phenyl group at N-2. | 1.95 | 1 | 0 | pyrazolone | antipyretic;
cyclooxygenase 3 inhibitor;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
clonidine
Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.. clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group. | 1.98 | 1 | 0 | clonidine;
imidazoline | |
decanoic acid
decanoate : A fatty acid anion 10:0 that is the conjugate base of decanoic acid.. decanoic acid : A C10, straight-chain saturated fatty acid. | 1.96 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
anti-inflammatory agent;
antibacterial agent;
human metabolite;
plant metabolite;
volatile oil component |
2,5-dihydroxybenzoic acid
2,5-dihydroxybenzoic acid: RN given refers to parent cpd; a oxidative product of saligenin. 2,5-dihydroxybenzoic acid : A dihydroxybenzoic acid having the two hydroxy groups at the 2- and 5-positions. | 2.67 | 3 | 0 | dihydroxybenzoic acid | EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
fungal metabolite;
human metabolite;
MALDI matrix material;
mouse metabolite |
lauric acid
dodecanoic acid : A straight-chain, twelve-carbon medium-chain saturated fatty acid with strong bactericidal properties; the main fatty acid in coconut oil and palm kernel oil. | 1.96 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
antibacterial agent;
plant metabolite |
4-dichlorobenzene
dichlorobenzene : Any member of the class of chlorobenzenes carrying two chloro groups at unspecified positions.. 1,4-dichlorobenzene : A dichlorobenzene carrying chloro groups at positions 1 and 4. | 1.98 | 1 | 0 | dichlorobenzene | insecticide |
phenylbutazone
Phenylbutazone: A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS.. phenylbutazone : A member of the class of pyrazolidines that is 1,2-diphenylpyrazolidine-3,5-dione carrying a butyl group at the 4-position. | 1.95 | 1 | 0 | pyrazolidines | antirheumatic drug;
EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor;
metabolite;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
peripheral nervous system drug |
proadifen
Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 2 | 1 | 0 | diarylmethane | |
2-thiosalicylic acid
2-thiosalicylic acid: a degradation product of thimerosal; RN given refers to parent cpd. thiosalicylic acid : A sulfanylbenzoic acid that is the 2-sulfanyl derivative of benzoic acid. | 1.96 | 1 | 0 | sulfanylbenzoic acid | antipyretic;
non-narcotic analgesic |
tolazoline
Tolazoline: A vasodilator that apparently has direct actions on blood vessels and also increases cardiac output. Tolazoline can interact to some degree with histamine, adrenergic, and cholinergic receptors, but the mechanisms of its therapeutic effects are not clear. It is used in treatment of persistent pulmonary hypertension of the newborn.. tolazoline : A member of the class of imidazoles that is 4,5-dihydro-1H-imidazole substituted by a benzyl group. | 1.95 | 1 | 0 | imidazoles | alpha-adrenergic antagonist;
antihypertensive agent;
vasodilator agent |
corticosterone
[no description available] | 2.39 | 2 | 0 | 11beta-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
prednisolone
Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 1.99 | 1 | 0 | 11beta-hydroxy steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(1),Delta(4)-steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | adrenergic agent;
anti-inflammatory drug;
antineoplastic agent;
drug metabolite;
environmental contaminant;
immunosuppressive agent;
xenobiotic |
estriol
hormonin: estrogen replacement; each tablet contains 600 ug micronized 17beta-estradiol, 270 ug estriol and 1.4 mg estrone. chlorapatite : A phosphate mineral with the formula Ca5(PO4)3Cl. | 1.99 | 1 | 0 | 16alpha-hydroxy steroid;
17beta-hydroxy steroid;
3-hydroxy steroid | estrogen;
human metabolite;
human xenobiotic metabolite;
mouse metabolite |
2,6-dichlorobenzoic acid
2,6-dichlorobenzoic acid : A chlorobenzoic acid carrying two chloro groups at positions 2 and 6 respectively. | 1.98 | 1 | 0 | chlorobenzoic acid;
dichlorobenzene | bacterial xenobiotic metabolite |
2,5-dichlorobenzoic acid
2,5-dichlorobenzoic acid : A chlorobenzoic acid that is benzoic acid in which the ring hydrogens at positions 2 and 5 are substituted by chloro groups. | 2.69 | 3 | 0 | chlorobenzoic acid;
dichlorobenzene | |
3,4-dichlorobenzoic acid
3,4-dichlorobenzoic acid: structure given in first source. 3,4-dichlorobenzoic acid : A chlorobenzoic acid carrying chloro substituents at positions 3 and 4. | 2.65 | 3 | 0 | chlorobenzoic acid | |
aldosterone
[no description available] | 1.99 | 1 | 0 | 11beta-hydroxy steroid;
18-oxo steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid hormone;
mineralocorticoid;
primary alpha-hydroxy ketone;
steroid aldehyde | human metabolite;
mouse metabolite |
estrone
Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 1.99 | 1 | 0 | 17-oxo steroid;
3-hydroxy steroid;
phenolic steroid;
phenols | antineoplastic agent;
bone density conservation agent;
estrogen;
human metabolite;
mouse metabolite |
androsterone
[no description available] | 1.99 | 1 | 0 | 17-oxo steroid;
3alpha-hydroxy steroid;
androstanoid;
C19-steroid | androgen;
anticonvulsant;
human blood serum metabolite;
human metabolite;
human urinary metabolite;
mouse metabolite;
pheromone |
etiocholanolone
Etiocholanolone: The 5-beta-reduced isomer of ANDROSTERONE. Etiocholanolone is a major metabolite of TESTOSTERONE and ANDROSTENEDIONE in many mammalian species including humans. It is excreted in the URINE.. 3alpha-hydroxy-5beta-androstan-17-one : An androstanoid that is 5beta-androstane substituted by an alpha-hydroxy group at position 3 and an oxo group at position 17. It is a metabolite of testosterone in mammals. | 2.39 | 2 | 0 | 17-oxo steroid;
3alpha-hydroxy steroid;
androstanoid | human metabolite;
mouse metabolite |
dehydroepiandrosterone
Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 2.39 | 2 | 0 | 17-oxo steroid;
3beta-hydroxy-Delta(5)-steroid;
androstanoid | androgen;
human metabolite;
mouse metabolite |
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. | 2.02 | 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 |
aminopyrine
Aminopyrine: A pyrazolone with analgesic, anti-inflammatory, and antipyretic properties but has risk of AGRANULOCYTOSIS. A breath test with 13C-labeled aminopyrine has been used as a non-invasive measure of CYTOCHROME P-450 metabolic activity in LIVER FUNCTION TESTS.. aminophenazone : A pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. | 1.95 | 1 | 0 | pyrazolone;
tertiary amino compound | antipyretic;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
2,3,4,6-tetrachlorophenol
2,3,4,6-tetrachlorophenol: RN given refers to parent cpd; see also record for tetrachlorophenol with locants for chloro groups not specified. 2,3,4,6-tetrachlorophenol : A tetrachlorophenol in which the chlorines are located at positions 2, 3, 4, and 6. | 3.27 | 6 | 0 | tetrachlorophenol | xenobiotic metabolite |
kanamycin a
Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components. | 2.02 | 1 | 0 | kanamycins | bacterial metabolite |
edetic acid
Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 2 | 1 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 2.02 | 1 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
4-nitrobenzoic acid
4-nitrobenzoic acid: RN given refers to parent cpd. 4-nitrobenzoic acid : A nitrobenzoic acid having the nitro group at the 4-position. | 3.07 | 5 | 0 | nitrobenzoic acid | |
aniline
[no description available] | 2.37 | 2 | 0 | anilines;
primary arylamine | |
androstenedione
Androstenedione: A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as well as ESTRONE and ESTRADIOL.. androst-4-ene-3,17-dione : A 3-oxo Delta(4)-steroid that is androst-4-ene substituted by oxo groups at positions 3 and 17. It is a steroid hormone synthesized in the adrenal glands and gonads. | 2.39 | 2 | 0 | 17-oxo steroid;
3-oxo-Delta(4) steroid;
androstanoid | androgen;
Daphnia magna metabolite;
human metabolite;
mouse metabolite |
desoxycorticosterone
Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE | 2.39 | 2 | 0 | 20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
mineralocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
17-alpha-hydroxyprogesterone
17alpha-hydroxyprogesterone : A 17alpha-hydroxy steroid that is the 17alpha-hydroxy derivative of progesterone. | 2.39 | 2 | 0 | 17alpha-hydroxy-C21-steroid;
17alpha-hydroxy steroid;
tertiary alpha-hydroxy ketone | human metabolite;
metabolite;
mouse metabolite;
progestin |
4-hydroxypropiophenone
[no description available] | 1.95 | 1 | 0 | acetophenones | |
isoleucine
Isoleucine: An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels.. isoleucine : A 2-amino-3-methylpentanoic acid having either (2R,3R)- or (2S,3S)-configuration.. L-isoleucine : The L-enantiomer of isoleucine. | 2.02 | 1 | 0 | aspartate family amino acid;
isoleucine;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
4-chlorobenzoic acid
4-chlorobenzoic acid: RN given refers to parent cpd. 4-chlorobenzoic acid : A monochlorobenzoic acid carrying a chloro substituent at position 4. | 3.92 | 13 | 0 | monochlorobenzoic acid | bacterial xenobiotic metabolite |
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 1.98 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2 | 1 | 0 | alkane;
gas molecular entity | food propellant |
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. | 2 | 1 | 0 | chloroethenes;
gas molecular entity;
monohaloethene | carcinogenic agent |
propylene dichloride
propylene dichloride: Russian drug; structure. 1,2-dichloropropane : A chloroalkane that is propane in which a hydrogen from each of two adjacent carbons has been replaced by chlorines. | 2 | 1 | 0 | chloroalkane;
volatile organic compound | |
1-naphthoic acid
naphthoic acid : An aromatic carboxylic acid that consists of a naphthalene skeleton substituted by one or more carboxy groups. | 1.98 | 1 | 0 | naphthoic acid | bacterial xenobiotic metabolite;
fungal xenobiotic metabolite |
2,4,6-trichlorophenol
[no description available] | 2.49 | 2 | 0 | trichlorophenol | carcinogenic agent |
2-iodobenzoic acid
iodobenzoic acid : A member of the class of benzoic acids that is benzoic acid bearing at least one iodo substituent. | 1.98 | 1 | 0 | 2-halobenzoic acid;
iodobenzoic acid | |
2-nitrophenol
nitrophenol : Any member of the class of phenols or substituted phenols carrying at least 1 nitro group. | 1.95 | 1 | 0 | 2-nitrophenols | |
2,3,5-triiodobenzoic acid
2,3,5-triiodobenzoic acid: inhibitor of auxin transport; RN given refers to parent cpd. 2,3,5-triiodobenzoic acid : A member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 2, 3 and 5 are replaced by iodine atoms. It is an auxin polar transport inhibitor. | 1.98 | 1 | 0 | benzoic acids;
organoiodine compound | antiauxins |
veratric acid
veratric acid: RN given refers to parent cpd; structure. 3,4-dimethoxybenzoic acid : A member of the class of benzoic acids that is benzoic acid substituted by methoxy groups at positions 2 and 3. | 1.96 | 1 | 0 | benzoic acids | allergen;
plant metabolite |
2-naphthoic acid
2-naphthoic acid: RN given refers to parent cpd. 2-naphthoic acid : A naphthoic acid that is naphthalene carrying a carboxy group at position 2. | 1.98 | 1 | 0 | naphthoic acid | mouse metabolite;
xenobiotic metabolite |
methyl benzoate
methyl benzoate : A benzoate ester obtained by condensation of benzoic acid and methanol. | 3.06 | 1 | 0 | benzoate ester;
methyl ester | insect attractant;
metabolite |
propylparaben
Parabens: Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872) | 2.69 | 3 | 0 | benzoate ester;
paraben;
phenols | antifungal agent;
antimicrobial agent |
2-methyl-4-chlorophenoxyacetic acid
2-Methyl-4-chlorophenoxyacetic Acid: A powerful herbicide used as a selective weed killer.. (4-chloro-2-methylphenoxy)acetic acid : A chlorophenoxyacetic acid that is (4-chlorophenoxy)acetic acid substituted by a methyl group at position 2. | 2.02 | 1 | 0 | chlorophenoxyacetic acid;
monochlorobenzenes | environmental contaminant;
phenoxy herbicide;
synthetic auxin |
2-chlorophenol
chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms. | 2.92 | 4 | 0 | 2-halophenol;
monochlorophenol | |
3,4-dichlorophenol
[no description available] | 2.15 | 1 | 0 | dichlorophenol | |
5-nitrosalicylic acid
5-nitrosalicylic acid : A monohydroxybenzoic acid in which the hydroxy group is ortho- to the carboxylic acid group and which has a nitro substituent para- to the phenolic hydroxy group. | 1.95 | 1 | 0 | 4-nitrophenols;
monohydroxybenzoic acid | |
4-tert-butylbenzoic acid
4-tert-butylbenzoic acid: RN given refers to parent cpd | 2.89 | 4 | 0 | alkylbenzene | |
3-toluic acid
3-toluic acid: RN given refers to parent cpd; structure | 3.08 | 5 | 0 | methylbenzoic acid | human xenobiotic metabolite |
3-aminobenzoic acid
3-aminobenzoic acid: RN given refers to parent cpd. 3-aminobenzoic acid : An aminobenzoic acid carrying an amino group at position 3. | 2.67 | 3 | 0 | aminobenzoic acid | |
3-hydroxybenzoic acid
3-hydroxybenzoic acid: RN given refers to parent cpd. 3-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid substituted by a hydroxy group at position 3. It has been isolated from Taxus baccata. It is used as an intermediate in the synthesis of plasticisers, resins, pharmaceuticals, etc. | 2.89 | 4 | 0 | monohydroxybenzoic acid | bacterial metabolite;
plant metabolite |
3-nitroaniline
3-nitroaniline: used as a sole source of nitrogen , carbon and energy | 1.95 | 1 | 0 | | |
3,5-dinitrobenzoic acid
3,5-dinitrobenzoic acid : A member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 3 and 5 are replaced by nitro groups. | 1.96 | 1 | 0 | benzoic acids;
C-nitro compound | |
4-toluic acid
4-toluic acid: RN given refers to parent cpd; structure. p-toluic acid : A methylbenzoic acid in which the methyl substituent is located at position 4. | 3.59 | 9 | 0 | methylbenzoic acid | |
4-nitroaniline
[no description available] | 1.95 | 1 | 0 | nitroaniline | bacterial xenobiotic metabolite |
4-anisic acid
4-methoxybenzoic acid: structure in first source. 4-methoxybenzoic acid : A methoxybenzoic acid substituted with a methoxy group at position C-4. | 3.07 | 5 | 0 | methoxybenzoic acid | plant metabolite |
benzylamine
aminotoluene : Any member of the class of toluenes carrying one or more amino groups. | 2 | 1 | 0 | aralkylamine;
primary amine | allergen;
EC 3.5.5.1 (nitrilase) inhibitor;
plant metabolite |
4-methylbenzenethiol
4-methylbenzenethiol: structure in first source | 1.96 | 1 | 0 | | |
4-toluidine
4-toluidine: RN given refers to parent cpd. p-toluidine : An aminotoluene in which the amino substituent is para to the methyl group. | 1.95 | 1 | 0 | aminotoluene | |
thiophenol
thiophenol : A thiol in which the sulfanyl group is attached to a phenyl group. | 1.96 | 1 | 0 | aryl thiol | |
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. | 1.96 | 1 | 0 | pyrrole;
secondary amine | |
heptanoic acid
heptanoic acid : A C7, straight-chain fatty acid that contributes to the odour of some rancid oils. Used in the preparation of esters for the fragrance industry, and as an additive in cigarettes. | 1.96 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | plant metabolite |
pelargonic acid
pelargonic acid: K salt acts as cariostatic agent; RN given refers to parent cpd; structure. nonanoic acid : A C9 straight-chain saturated fatty acid which occurs naturally as esters of the oil of pelargonium. Has antifungal properties, and is also used as a herbicide as well as in the preparation of plasticisers and lacquers. | 1.96 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
antifeedant;
Daphnia magna metabolite;
plant metabolite |
undecanoic acid
undecanoic acid : A straight-chain, eleven-carbon saturated medium-chain fatty acid found in body fluids; the most fungitoxic of the C7:0 - C18:0 fatty acid series.. undecanoate : A medium-chain fatty acid anion that is the conjugate base of undecanoic acid; used in tandem with testosterone cation in the treatment of male hypogonadism. Major species at pH 7.3. | 1.96 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | antifungal agent;
human metabolite |
2-toluic acid
2-toluic acid: RN given refers to parent cpd; structure. o-toluic acid : A methylbenzoic acid that is benzoic acid substituted by a methyl group at position 2. | 1.98 | 1 | 0 | methylbenzoic acid | xenobiotic metabolite |
2-chlorobenzoic acid
2-chlorobenzoic acid: RN given refers to parent cpd. chlorobenzoic acid : Any member of the class of benzoic acids in which the benzene ring is substituted by at least one chloro group.. 2-chlorobenzoic acid : A monochlorobenzoic acid having the chloro group at the 2-position. | 2.91 | 4 | 0 | 2-halobenzoic acid;
monochlorobenzoic acid | plant hormone;
plant metabolite |
5-iodosalicylic acid
5-iodosalicylic acid: RN given refers to parent cpd | 1.95 | 1 | 0 | | |
2,4-dichlorophenol
2,4-dichlorophenol: RN given refers to unlabeled parent+ cpd; structure. 2,4-dichlorophenol : A dichlorophenol that is phenol carrying chloro substituents at positions 2 and 4. | 1.98 | 1 | 0 | dichlorophenol | |
vanillic acid
Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 2.38 | 2 | 0 | methoxybenzoic acid;
monohydroxybenzoic acid | plant metabolite |
3-nitrobenzoic acid
3-nitrobenzoic acid: RN given refers to parent cpd | 3.07 | 5 | 0 | | |
3,5-diiodosalicylic acid
3,5-diiodosalicylic acid: RN given refers to parent cpd; structure | 1.95 | 1 | 0 | | |
2-aminothiophenol
2-aminothiophenol: RN given refers to parent cpd; structure. 2-aminothiophenol : An aryl thiol that is thiophenol substituted at position 2 by an amino group. | 1.96 | 1 | 0 | aryl thiol;
substituted aniline | plant metabolite |
carzenide
[no description available] | 2.38 | 2 | 0 | sulfonamide | |
pregnenolone
[no description available] | 2.39 | 2 | 0 | 20-oxo steroid;
3beta-hydroxy-Delta(5)-steroid;
C21-steroid | human metabolite;
mouse 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. | 2 | 1 | 0 | diazine;
pyrazines | Daphnia magna metabolite |
ephedrine
Ephedrine: A phenethylamine found in EPHEDRA SINICA. PSEUDOEPHEDRINE is an isomer. It is an alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used for asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists.. (-)-ephedrine : A phenethylamine alkaloid that is 2-phenylethanamine substituted by a methyl group at the amino nitrogen and a methyl and a hydroxy group at position 2 and 1 respectively. | 1.95 | 1 | 0 | phenethylamine alkaloid;
phenylethanolamines | bacterial metabolite;
environmental contaminant;
nasal decongestant;
plant metabolite;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
gamma-resorcylic acid
[no description available] | 1.95 | 1 | 0 | dihydroxybenzoic acid | metabolite |
3,5-dichlorosalicylic acid
3,5-dichlorosalicylic acid: structure in first source | 1.95 | 1 | 0 | chlorobenzoic acid | |
5-chlorosalicylic acid
5-chlorosalicylic acid: major metabolite of meseclazone; RN given refers to parent cpd. 5-chlorosalicylic acid : A monohydroxybenzoic acid that is 2-hydroxybenzoic acid (salicylic acid) in which the hydrogen at position 5 is replaced by chlorine. | 1.95 | 1 | 0 | chlorobenzoic acid;
monochlorobenzenes;
monohydroxybenzoic acid | |
nandrolone
Nandrolone: C18 steroid with androgenic and anabolic properties. It is generally prepared from alkyl ethers of ESTRADIOL to resemble TESTOSTERONE but less one carbon at the 19 position.. nandrolone : A 3-oxo Delta(4)-steroid that is estr-4-en-3-one substituted by a beta-hydroxy group at position 17. | 1.99 | 1 | 0 | 17beta-hydroxy steroid;
3-oxo-Delta(4) steroid;
anabolic androgenic steroid | human metabolite |
2-fluorobenzoic acid
2-fluorobenzoic acid: RN given refers to parent cpd. 2-fluorobenzoic acid : A 2-halobenzoic acid that is benzoic acid carrying a fluoro substituent at position 2.. fluorobenzoic acid : Any benzoic acid carrying at least one fluoro substituent on the benzene ring. Fluorobenzoic acids are important intermediates in the synthesis of antibacterial drugs. | 1.98 | 1 | 0 | 2-halobenzoic acid;
fluorobenzoic acid | |
4-(trifluoromethyl)benzoic acid
4-trifluoromethylbenzoic acid : A benzoic acid carrying a 4-trifluoromethyl substituent. | 2.67 | 3 | 0 | (trifluoromethyl)benzenes;
benzoic acids | |
3-fluorobenzoic acid
[no description available] | 2.39 | 2 | 0 | fluorobenzoic acid | |
4-fluorobenzoic acid
[no description available] | 4.18 | 5 | 0 | fluorobenzoic acid | bacterial xenobiotic metabolite |
3,5-dimethylbenzoic acid
3,5-dimethylbenzoic acid : A dimethylbenzoic acid in which the two methyl groups are located at positions 3 and 5. | 1.96 | 1 | 0 | dimethylbenzoic acid | |
androstenediol
Androstenediol: An intermediate in TESTOSTERONE biosynthesis, found in the TESTIS or the ADRENAL GLANDS. Androstenediol, derived from DEHYDROEPIANDROSTERONE by the reduction of the 17-keto group (17-HYDROXYSTEROID DEHYDROGENASES), is converted to TESTOSTERONE by the oxidation of the 3-beta hydroxyl group to a 3-keto group (3-HYDROXYSTEROID DEHYDROGENASES).. androst-5-ene-3beta,17beta-diol : A 3beta-hydroxy-Delta(5)-steroid that is 3beta-hydroxyandrost-5-ene carrying an additional hydroxy group at position 17beta. | 1.99 | 1 | 0 | 17beta-hydroxy steroid;
3beta-hydroxy-Delta(5)-steroid | androgen;
human metabolite;
mouse metabolite;
radiation protective agent |
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. | 2.39 | 2 | 0 | 17beta-hydroxy steroid;
17beta-hydroxyandrostan-3-one;
3-oxo-5alpha-steroid | androgen;
Daphnia magna metabolite;
human metabolite;
mouse metabolite |
azomycin
azomycin: RN given refers to parent cpd with specified locant; structure | 1.99 | 1 | 0 | C-nitro compound;
imidazoles | antitubercular agent |
cumic acid
cumic acid : A member of the class of benzoic acids that is cumene substituted by at least one carboxy group.. p-cumic acid : A cumic acid that consists of benzoic acid substituted by an isopropyl group at position 4. | 1.98 | 1 | 0 | cumic acid | plant metabolite |
3-nitrophenol
[no description available] | 1.95 | 1 | 0 | 3-nitrophenols | |
2,6-dinitrophenol
[no description available] | 1.95 | 1 | 0 | dinitrophenol | |
3-methoxybenzoic acid
[no description available] | 3.08 | 5 | 0 | methoxybenzoic acid | flavouring agent;
human urinary metabolite |
4-bromobenzoic acid
4-bromobenzoic acid : A bromobenzoic acid carrying a single bromo subsituent at the 4-position. | 3.07 | 5 | 0 | bromobenzoic acid | |
algestone
Algestone: A synthetic progestational dihydroxy derivative of PROGESTERONE. Its acetonide possesses anti-inflammatory properties.. algestone : A C21-steroid that is pregn-4-ene substituted by oxo groups at position 3 and 20 and hydroxy groups at positions 16 and 17. | 1.99 | 1 | 0 | 16alpha-hydroxy steroid;
17-hydroxy steroid;
20-oxo steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
tertiary alpha-hydroxy ketone | progestin |
3,5-dinitrosalicylic acid
3,5-dinitrosalicylic acid: RN given refers to parent cpd. 3,5-dinitrosalicylic acid : A monohydroxybenzoic acid consisting of 2-hydroxybenzoic acid having nitro substituents at the 3- and 5-positions. It is used in colorimetric testing for the presence of free carbonyl groups (C=O) in reducing sugars. | 1.95 | 1 | 0 | C-nitro compound;
monohydroxybenzoic acid | hapten |
3-iodobenzoate
3-iodobenzoic acid: RN given refers to unlabeled parent cpd. 3-iodobenzoic acid : An iodobenzoic acid with a single iodo substituent placed at the 3-position. | 2.89 | 4 | 0 | iodobenzoic acid | |
4-ethylbenzoic acid
[no description available] | 2.67 | 3 | 0 | benzoic acids | |
4-cyanobenzoic acid
[no description available] | 2.67 | 3 | 0 | | |
4-carboxybenzaladehyde
4-formylbenzoic acid : A member of the class of benzoic acids that is benzoic acid substituted by a formyl group at position 4. | 1.98 | 1 | 0 | benzaldehydes;
benzoic acids;
monocarboxylic acid | plant metabolite |
4-(dimethylamino)benzoic acid
[no description available] | 1.98 | 1 | 0 | | |
tridecanoic acid
tridecanoate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of tridecanoic acid.. tridecanoic acid : A C13 straight-chain saturated fatty acid. | 1.96 | 1 | 0 | long-chain fatty acid;
straight-chain saturated fatty acid | plant metabolite |
isovanillic acid
3-hydroxy-4-methoxybenzoic acid : A methoxybenzoic acid that is 4-methoxybenzoic acid bearing a hydroxy substituent at position 3. | 1.96 | 1 | 0 | methoxybenzoic acid;
monohydroxybenzoic acid | antibacterial agent;
plant metabolite |
2-methylimidazole
[no description available] | 1.99 | 1 | 0 | | |
manganese dioxide
[no description available] | 1.97 | 1 | 0 | manganese molecular entity;
metal oxide | |
1-methyl-2-nitroimidazole
[no description available] | 1.99 | 1 | 0 | | |
4-nitrothiophenolate
4-nitrothiophenolate: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
3-chlorobiphenyl
3-chlorobiphenyl: RN given refers to cpd with specified locant for chlorine | 2.06 | 1 | 0 | monochlorobiphenyl | |
4-chlorocatechol
4-chlorocatechol : A chlorocatechol that is catechol substituted by a chloro group at position 4. | 2.7 | 3 | 0 | chlorocatechol;
monochlorobenzenes | bacterial xenobiotic metabolite |
3,5-dibromosalicylic acid
3,5-dibromosalicylic acid: structure in first source | 1.95 | 1 | 0 | | |
acedoben
4-acetamidobenzoic acid : A amidobenzoic acid that consists of benzoic acid bearing an acetamido substituent at position 4. | 1.98 | 1 | 0 | amidobenzoic acid | |
3-chloro-4-hydroxybenzoate
[no description available] | 2.39 | 2 | 0 | | |
3-chlorocatechol
3-chlorocatechol: inhibits catechol-2,3-dioxygenase. chlorocatechol : Any member of the class of catechols that is catechol substituted by at least one chloro group.. 3-chlorocatechol : A chlorocatechol that is catechol in which the hydrogen adjacent to one of the hydroxy groups is replaced by a chlorine. | 2.92 | 4 | 0 | chlorocatechol;
monochlorobenzenes | |
st 91
ST 91: RN given refers to parent cpd; structure | 1.98 | 1 | 0 | substituted aniline | |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 1.97 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
mercury
Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 1.97 | 1 | 0 | elemental mercury;
zinc group element atom | neurotoxin |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.01 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
mercuric chloride
Mercuric Chloride: Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.. mercury dichloride : A mercury coordination entity made up of linear triatomic molecules in which a mercury atom is bonded to two chlorines. Water-soluble, it is highly toxic. Once used in a wide variety of applications, including preserving wood and anatomical specimens, embalming and disinfecting, as an intensifier in photography, as a mordant for rabbit and beaver furs, and freeing gold from lead, its use has markedly declined as less toxic alternatives have been developed. | 1.96 | 1 | 0 | mercury coordination entity | sensitiser |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 3.48 | 2 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
3,5-dichlorocatechol
3,5-dichlorocatechol : A dichlorocatechol carrying chloro groups at positions 3 and 5. | 2.02 | 1 | 0 | dichlorocatechol | |
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. | 2.39 | 2 | 0 | benzenes;
phenyl acetates | |
tetrachloroethylene
Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 2.68 | 3 | 0 | chlorocarbon;
chloroethenes | nephrotoxic agent |
3-acetamidobenzoic acid
N-acetyl-m-aminobenzoic acid: from Solanum laciniatum; structure in first source | 1.98 | 1 | 0 | | |
norharman
norharman: RN given refers to parent cpd. beta-carboline : The parent compound of the beta-carbolines, a tricyclic structure comprising an indole ring system ortho- fused to C-3 and C-4 of a pyridine ring. | 2.39 | 2 | 0 | beta-carbolines;
mancude organic heterotricyclic parent | fungal metabolite;
marine metabolite |
4-aminomethylbenzoic acid
[no description available] | 1.98 | 1 | 0 | benzoic acids | |
2-ethylimidazole
[no description available] | 1.99 | 1 | 0 | | |
3-(dimethylamino)benzoic acid
3-(dimethylamino)benzoic acid: RN given refers to parent cpd | 1.98 | 1 | 0 | | |
4-(fluorosulfonyl)benzoic acid
[no description available] | 2.39 | 2 | 0 | | |
2-phenylimidazole
[no description available] | 1.99 | 1 | 0 | | |
tiazuril
[no description available] | 1.98 | 1 | 0 | aryl sulfide | |
3,4-dimethoxy-5-hydroxybenzoic acid
3,4-dimethoxy-5-hydroxybenzoic acid: thiopurine methyltransferase inhibitor | 1.96 | 1 | 0 | trihydroxybenzoic acid | |
5-methoxysalicylic acid
5-methoxysalicylic acid: enhances intestinal absorption of insulin in rats; RN given refers to parent cpd. 5-methoxysalicylic acid : A methoxysalicylic acid that is salicylic acid which is carrying a methoxy group at position 5. | 1.95 | 1 | 0 | methoxysalicylic acid | bacterial metabolite;
human urinary metabolite |
2-(2-methyl-4-chlorophenylamino)-2-imidazoline
2-(2-methyl-4-chlorophenylamino)-2-imidazoline: RN given refers to parent cpd; structure in first source | 1.98 | 1 | 0 | | |
3,5-dihydroxy-4-methoxybenzoic acid
3,5-dihydroxy-4-methoxybenzoic acid: catechol methyltransferase inhibitor; N1 same as NM | 1.96 | 1 | 0 | trihydroxybenzoic acid | |
xylonidine
xylonidine: alpha adrenoreceptor stimulation by above cpd mainly inhibits the release of mediator and/or the bronchoconstriction caused by moderate activation of sensory nerves; forced molting agent; structure given in first source | 1.98 | 1 | 0 | | |
1-methyl-4-(4-chlorophenyl)-1,2,3,6-tetrahydropyridine
[no description available] | 1.98 | 1 | 0 | | |
2-aminoimidazole
2-aminoimidazole: from catabolism of arginine | 1.99 | 1 | 0 | | |
4-phenyl-1,2,3,6-tetrahydropyridine
4-phenyl-1,2,3,6-tetrahydropyridine: RN given refers to parent cpd | 1.98 | 1 | 0 | | |
4-(methylthio)benzoic acid
[no description available] | 2.39 | 2 | 0 | | |
coenzyme a
[no description available] | 2 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
17-alpha-hydroxypregnenolone
17-alpha-Hydroxypregnenolone: A 21-carbon steroid that is converted from PREGNENOLONE by STEROID 17-ALPHA-HYDROXYLASE. It is an intermediate in the delta-5 pathway of biosynthesis of GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.. 17alpha-hydroxypregnenolone : A hydroxypregnenolone carrying an alpha-hydroxy group at position 17. | 2.39 | 2 | 0 | 17alpha-hydroxy-C21-steroid;
17alpha-hydroxy steroid;
3beta-hydroxy-Delta(5)-steroid;
hydroxypregnenolone;
tertiary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
1-methyl-4-(2'-methylphenyl)-1,2,3,6-tetrahydropyridine
1-methyl-4-(2'-methylphenyl)-1,2,3,6-tetrahydropyridine: more potent dopaminergic neurotoxic compound than MPTP in mice | 1.98 | 1 | 0 | | |
11-ketoprogesterone
11-ketoprogesterone: structure | 1.99 | 1 | 0 | corticosteroid hormone | |
glucuronic acid
Glucuronic Acid: A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES.. D-glucuronic acid : The D-enantiomer of glucuronic acid.. D-glucopyranuronic acid : A D-glucuronic acid in cyclic pyranose form. | 2.06 | 1 | 0 | D-glucuronic acid | algal metabolite |
4-mercaptobenzoate
4-mercaptobenzoate: substrate for 4-hydroxybenzoate hydroxylase | 2.39 | 2 | 0 | | |
2,5-dihydro-2-(4-methoxyphenyl)-3h-pyrazolo(4,3-c)quinolin-3-one
[no description available] | 2.39 | 2 | 0 | | |
2 alpha-methyl-9 alpha-fluorocortisol
[no description available] | 1.99 | 1 | 0 | | |
beta-carboline-3-carboxylic acid ethyl ester
beta-carboline-3-carboxylic acid ethyl ester: isolated from brain tissue & urine; extremely potent displacer of diazepam from brain benzodiazepam receptors; structure in first source | 2.39 | 2 | 0 | beta-carbolines | |
beta-carboline-3-carboxylic acid methyl ester
beta-carboline-3-carboxylic acid methyl ester: structure given in first source | 2.39 | 2 | 0 | beta-carbolines | |
2-methyltryptoline
2-methyltryptoline: enzymatic preparation from human brain converts methyltyptamine to methyltryptoline; structure | 1.98 | 1 | 0 | beta-carbolines | |
n(omega)-hydroxyarginine
N(omega)-hydroxyarginine: can cause vasorelaxation of bovine intrapulmonary artery; structure given in first source. N(5)-[(Z)-amino(hydroxyimino)methyl]-L-ornithine : An N(5)-[amino(hydroxyimino)methyl]-L-ornithine in which the double bond has Z-configuration. | 1.98 | 1 | 0 | amino acid zwitterion;
N(5)-[(E)-amino(hydroxyimino)methyl]ornithine;
N(5)-[(hydroxyamino)(imino)methyl]ornithine;
N(5)-[(Z)-amino(hydroxyimino)methyl]ornithine;
N(5)-[amino(hydroxyimino)methyl]-L-ornithine;
N(5)-[amino(hydroxyimino)methyl]ornithine;
N(omega)-hydroxy-L-arginine | |
3-ethoxy-beta-carboline
3-ethoxy-beta-carboline: high affinity benzodiazepine receptor ligand with partial inverse agonist properties | 2.39 | 2 | 0 | | |
tert-butyl beta-carboline-3-carboxylate
tert-butyl beta-carboline-3-carboxylate: benzodiazepine receptor antagonist | 2.39 | 2 | 0 | | |
r 79882
R 79882: a non-nucleoside inhibitor of HIV-1 reverse transcriptase; structure given in first source | 1.99 | 1 | 0 | | |
1-methyl-4-cyclohexyl-1,2,3,6-tetrahydropyridine
[no description available] | 1.98 | 1 | 0 | | |
1-methyl-4-(2'-ethylphenyl)-1,2,3,6-tetrahydropyridine
[no description available] | 1.98 | 1 | 0 | | |
1-methyl-4-(methylpyrrol-2-yl)-1,2,3,6-tetrahydropyridine
1-methyl-4-(methylpyrrol-2-yl)-1,2,3,6-tetrahydropyridine: structure given in first source | 1.98 | 1 | 0 | | |
4-benzyl-1-methyl-1,2,3,6-tetrahydropyridine
4-benzyl-1-methyl-1,2,3,6-tetrahydropyridine: structure given in first source; RN given is for HCl | 1.98 | 1 | 0 | | |
4-propylbenzoic acid
[no description available] | 1.98 | 1 | 0 | alkylbenzene | |
n-propyl-4-phenyl-1,2,3,6-tetrahydropyridine
N-propyl-4-phenyl-1,2,3,6-tetrahydropyridine: structure given in first source | 1.98 | 1 | 0 | | |
fenton's reagent
Fenton's reagent: used for oxidizing sugars & alcohols | 2.25 | 1 | 0 | | |
cortisone
[no description available] | 2.39 | 2 | 0 | 11-oxo steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
19-norprogesterone
19-norprogesterone: RN given refers to cpd without isomeric designation | 1.99 | 1 | 0 | corticosteroid hormone | |
5 alpha-androstane-3 beta,17 beta-diol
5alpha-androstane-3beta,17beta-diol : An androstane-3,17-diol that is 5alpha-androstane substituted by beta-hydroxy groups at positions 3 and 17. It is a metabolite of dihydrotestosterone. | 1.99 | 1 | 0 | 17beta-hydroxy steroid;
3beta-hydroxy steroid;
androstane-3,17-diol | Daphnia magna metabolite;
human metabolite |
cortodoxone
Cortodoxone: 17,21-Dihydroxypregn-4-ene-3,20-dione. A 17-hydroxycorticosteroid with glucocorticoid and anti-inflammatory activities.. 11-deoxycortisol : A deoxycortisol that is cortisol in which the hydroxy group at position 11 has been replaced by a hydrogen. | 2.39 | 2 | 0 | deoxycortisol;
glucocorticoid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
diclazuril
[no description available] | 1.98 | 1 | 0 | nitrile | |
sorbic acid
Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 2.41 | 2 | 0 | alpha,beta-unsaturated monocarboxylic acid;
sorbic acid | |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 7.13 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
r 82150
R 82150: structure given in first source; inhibits HIV-1 replication | 1.99 | 1 | 0 | | |
r 86183
[no description available] | 1.99 | 1 | 0 | | |
thiopental
Thiopental: A barbiturate that is administered intravenously for the induction of general anesthesia or for the production of complete anesthesia of short duration.. thiopental : A barbiturate, the structure of which is that of 2-thiobarbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 1.95 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
environmental contaminant;
intravenous anaesthetic;
sedative;
xenobiotic |
2-(allylthio)pyrazine
2-(allylthio)pyrazine: structure given in first source | 2 | 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. | 1.97 | 1 | 0 | alkali metal atom | |
quinine
[no description available] | 1.95 | 1 | 0 | cinchona alkaloid | antimalarial;
muscle relaxant;
non-narcotic analgesic |
4-azidobenzoic acid
[no description available] | 1.98 | 1 | 0 | | |
3-propoxy-beta-carboline
3-propoxy-beta-carboline: structure in first source | 2.39 | 2 | 0 | | |
dienelactone
dienelactone: structure given in first source | 2.01 | 1 | 0 | 4-carboxymethylenebut-2-en-4-olide | |
harman
harman: a beta-carboline; RN given refers to parent cpd; structure. harman : An indole alkaloid fundamental parent with a structure of 9H-beta-carboline carrying a methyl substituent at C-1. It has been isolated from the bark of Sickingia rubra, Symplocus racemosa, Passiflora incarnata, Peganum harmala, Banisteriopsis caapi and Tribulus terrestris, as well as from tobacco smoke. It is a specific, reversible inhibitor of monoamine oxidase A. | 2.39 | 2 | 0 | harmala alkaloid;
indole alkaloid fundamental parent;
indole alkaloid | anti-HIV agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
plant metabolite |
1-Ethyl-9H-pyrido[3,4-b]indole
[no description available] | 2.39 | 2 | 0 | harmala alkaloid | |
muconic acid
muconic acid: a metabolite of benzene; reported to be a reliable indicator of occupational exposure to benzene; structure given in first source. trans,trans-muconic acid : The trans,trans-isomer of muconic acid. It is metabolite of benzene in humans and serves as a biomarker of occupational exposure to benzene.. muconic acid : A hexadienedioic acid with unsaturation at positions 2 and 4. | 2.01 | 1 | 0 | muconic acid | biomarker;
human xenobiotic metabolite |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 1.97 | 1 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
levorphanol
Levorphanol: A narcotic analgesic that may be habit-forming. It is nearly as effective orally as by injection. | 1.95 | 1 | 0 | morphinane alkaloid | |
2-chloromuconic acid
2-chloromuconic acid: structure in first source. chloromuconic acid : A chlorocarboxylic acid that is muconic acid substituted by at least one chloro group. | 2.41 | 2 | 0 | | |
2-chloromaleylacetate
[no description available] | 1.98 | 1 | 0 | | |
mocetinostat
mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 1.98 | 1 | 0 | aminopyrimidine;
benzamides;
pyridines;
secondary amino compound;
secondary carboxamide;
substituted aniline | antineoplastic agent;
apoptosis inducer;
autophagy inducer;
cardioprotective agent;
EC 3.5.1.98 (histone deacetylase) inhibitor;
hepatotoxic agent |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.98 | 1 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
phenylmercuric acetate
Phenylmercuric Acetate: A phenyl mercury compound used mainly as a fungicide. Has also been used as a herbicide, slimicide, and bacteriocide. | 1.96 | 1 | 0 | arylmercury compound;
benzenes | |
cardiovascular agents
Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 1.93 | 1 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 1.98 | 1 | 0 | | |