| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
adenine
[no description available] | 1.96 | 1 | 0 | 6-aminopurines;
purine nucleobase | Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae 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: A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group.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. | 2.05 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | antibacterial agent;
Escherichia coli metabolite;
human metabolite |
palmitic acid
Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 1.97 | 1 | 0 | long-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
Daphnia magna metabolite;
EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor;
plant metabolite |
uric acid
Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 2.72 | 2 | 0 | uric acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
amitrole
Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 1.98 | 1 | 0 | aromatic amine;
triazoles | carotenoid biosynthesis inhibitor;
EC 1.11.1.6 (catalase) inhibitor;
herbicide |
aspirin
Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 1.98 | 1 | 0 | benzoic acids;
phenyl acetates;
salicylates | anticoagulant;
antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
EC 1.1.1.188 (prostaglandin-F synthase) inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
plant activator;
platelet aggregation inhibitor;
prostaglandin antagonist;
teratogenic agent |
cetyltrimethylammonium ion
Cetrimonium: Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics.. cetyltrimethylammonium ion : A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups. | 2.05 | 1 | 0 | quaternary ammonium ion | |
ciprofibrate
[no description available] | 3.24 | 6 | 0 | cyclopropanes;
monocarboxylic acid;
organochlorine compound | antilipemic drug |
clofibrate
angiokapsul: contains clofibrate & insoitolnicotinate | 8.5 | 8 | 0 | aromatic ether;
ethyl ester;
monochlorobenzenes | anticholesteremic drug;
antilipemic drug;
geroprotector;
PPARalpha agonist |
clofibric acid
Clofibric Acid: An antilipemic agent that is the biologically active metabolite of CLOFIBRATE.. clofibric acid : A monocarboxylic acid that is isobutyric acid substituted at position 2 by a p-chlorophenoxy group. It is a metabolite of the drug clofibrate. | 3.49 | 8 | 0 | aromatic ether;
monocarboxylic acid;
monochlorobenzenes | anticholesteremic drug;
antilipemic drug;
antineoplastic agent;
herbicide;
marine xenobiotic metabolite;
PPARalpha agonist |
diclofenac
Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt.. diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. | 2.21 | 1 | 0 | amino acid;
aromatic amine;
dichlorobenzene;
monocarboxylic acid;
secondary amino compound | antipyretic;
drug allergen;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
dichlorodiphenyl dichloroethylene
Dichlorodiphenyl Dichloroethylene: An organochlorine pesticide, it is the ethylene metabolite of DDT. | 2.13 | 1 | 0 | chlorophenylethylene;
monochlorobenzenes | human xenobiotic metabolite;
persistent organic pollutant |
fluorouracil
Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.21 | 1 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
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. | 2.05 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
antibacterial agent;
plant metabolite |
pentobarbital
Pentobarbital: A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236). pentobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 1.97 | 1 | 0 | barbiturates | GABAA receptor agonist |
stearic acid
octadecanoic acid : A C18 straight-chain saturated fatty acid component of many animal and vegetable lipids. As well as in the diet, it is used in hardening soaps, softening plastics and in making cosmetics, candles and plastics. | 1.99 | 1 | 0 | long-chain fatty acid;
saturated fatty acid;
straight-chain saturated fatty acid | algal metabolite;
Daphnia magna metabolite;
human metabolite;
plant metabolite |
pirinixic acid
pirinixic acid: structure | 2.25 | 1 | 0 | aryl sulfide;
organochlorine compound;
pyrimidines | |
thyroxine
Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 2.92 | 4 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
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. | 2.25 | 1 | 0 | 17-oxo steroid;
3beta-hydroxy-Delta(5)-steroid;
androstanoid | androgen;
human metabolite;
mouse metabolite |
triiodothyronine
Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3.. 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. | 2.69 | 3 | 0 | 2-halophenol;
amino acid zwitterion;
iodophenol;
iodothyronine | human metabolite;
mouse metabolite;
thyroid hormone |
chloroform
Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 2.02 | 1 | 0 | chloromethanes;
one-carbon compound | carcinogenic agent;
central nervous system drug;
inhalation anaesthetic;
non-polar solvent;
refrigerant |
hexadecafluoro-nonanoic acid
hexadecafluoro-nonanoic acid: an endocrine disruptor. hexadecafluorononanoic acid : Any derivative of nonanoic acid carrying sixteen fluoro substituents. | 3.44 | 7 | 0 | hexadecafluorononanoic acid | |
phencyclidine
Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 2.61 | 2 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
chlorotrifluoroethylene
[no description available] | 6.98 | 1 | 0 | | |
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. | 2.02 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | antifungal agent;
human metabolite |
diethylhexyl phthalate
Diethylhexyl Phthalate: An ester of phthalic acid. It appears as a light-colored, odorless liquid and is used as a plasticizer for many resins and elastomers.. bis(2-ethylhexyl) phthalate : A phthalate ester that is the bis(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. | 2.92 | 4 | 0 | diester;
phthalate ester | androstane receptor agonist;
apoptosis inhibitor;
plasticiser |
n-heptane
Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.08 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
plant metabolite |
catechin
Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 7.25 | 1 | 0 | catechin | antioxidant;
plant metabolite |
perfluorooctane
perfluorooctane: used in the treatment of giant retinal tears with proliferative vitreoretinopathy | 3.17 | 5 | 0 | fluoroalkane;
fluorocarbon | |
perfluoroheptane
[no description available] | 2.08 | 1 | 0 | fluorocarbon | |
perfluorooctanoic acid
perfluorooctanoic acid: RN given refers to parent cpd. perfluorooctanoic acid : A fluoroalkanoic acid that is perfluorinated octanoic acid. | 8.47 | 100 | 1 | fluoroalkanoic acid | carcinogenic agent;
endocrine disruptor;
environmental contaminant;
surfactant;
xenobiotic |
perfluorobutane
perfluorobutane: component of the echo contrast agent, BR14, which consists of perfluorobutane gas microbubbles. perflubutane : A fluorocarbon that is butane in which all of the hydrogens have been replaced by fluorines. Microbubbles of preflubutane are used in the ultrasound contrast agent BR14. | 3.17 | 5 | 0 | fluoroalkane;
fluorocarbon;
gas molecular entity | ultrasound contrast agent |
perflexane
perfluorohexane : A fluoroalkane that is hexane in which all of the hydrogens have been replaced by fluorines. | 4.44 | 18 | 0 | fluoroalkane;
fluorocarbon;
volatile organic compound | non-polar solvent;
radioopaque medium |
perfluorobutyric acid
perfluorobutyric acid: ion pairing reagent; RN given refers to parent cpd. perfluorobutyric acid : A monocarboxylic acid that is perfluorinated butyric acid. | 3.55 | 8 | 0 | fluoroalkanoic acid | chromatographic reagent;
environmental contaminant;
xenobiotic |
2-aminopurine
2-Aminopurine: A purine that is an isomer of ADENINE (6-aminopurine).. aminopurine : Any purine having at least one amino substituent.. 2-aminopurine : The parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. | 6.96 | 1 | 0 | 2-aminopurines;
nucleobase analogue | antimetabolite |
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. | 1.97 | 1 | 0 | 17beta-hydroxy steroid;
17beta-hydroxyandrostan-3-one;
3-oxo-5alpha-steroid | androgen;
Daphnia magna metabolite;
human metabolite;
mouse metabolite |
malondialdehyde
Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 1.98 | 1 | 0 | dialdehyde | biomarker |
d-alpha tocopherol
Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 1.98 | 1 | 0 | alpha-tocopherol | algal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite |
pregnenolone carbonitrile
Pregnenolone Carbonitrile: A catatoxic steroid and microsomal enzyme inducer having significant effects on the induction of cytochrome P450. It has also demonstrated the potential for protective capability against acetaminophen-induced liver damage. | 2.02 | 1 | 0 | aliphatic nitrile | |
methionine sulfoximine
methionine sulfoximine : A non-proteinogenic alpha-amino acid that is the sulfoximine derivative of methionine . | 1.98 | 1 | 0 | methionine derivative;
non-proteinogenic alpha-amino acid;
sulfoximide | |
nafenopin
Nafenopin: A peroxisome proliferator that is used experimentally to promote liver tumors. It has been used as an antihyperlipoproteinemic agent.. nafenopin : A racemate comprising equimolar amounts of (R)- and (S)-nafenopin. It is a peroxisome proliferator that is used experimentally to promote liver tumors. It has been used as an hypolipidemic agent.. 2-methyl-2-[4-(1,2,3,4-tetrahydronaphthalen-1-yl)phenoxy]propanoic acid : A monocarboxylic acid that is 2-hydroxy-2-methylpropanoic acid in which ther tertiary hydroxy group has been converted into the corresponding p-(1,2,3,4-tetrahydronaphthalen-1-yl)phenyl ether. | 1.98 | 1 | 0 | aromatic ether;
monocarboxylic acid | |
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. | 1.98 | 1 | 0 | diastereoisomeric mixture;
homocysteines;
non-proteinogenic alpha-amino acid;
sulfoximide | EC 6.3.2.2 (glutamate--cysteine ligase) inhibitor;
ferroptosis inducer |
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. | 2.11 | 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. | 2.11 | 1 | 0 | elemental mercury;
zinc group element atom | neurotoxin |
titanium
Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 2.05 | 1 | 0 | titanium group element atom | |
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. | 2.11 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
fluorine
Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 1.99 | 1 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
octyltrimethylammonium
octyltrimethylammonium: RN given refers to parent cpd. octyltrimethylammonium ion : A quarternary ammonium cation having one octyl and three methyl substituents around the central nitrogen. | 2.05 | 1 | 0 | quaternary ammonium ion | |
titanium dioxide
titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 2.05 | 1 | 0 | titanium oxides | food colouring |
fluorides
[no description available] | 1.97 | 1 | 0 | halide anion;
monoatomic fluorine | |
stilbene oxide
stilbene oxide: inducer of epoxide hydratase; RN given refers to cpd without isomeric designation | 1.98 | 1 | 0 | epoxide | |
stannic oxide
tin dioxide : A tin oxide compound consisting of tin(IV) covalently bound to two oxygen atoms. | 2.08 | 1 | 0 | tin oxide | |
dihydroalprenolol
Dihydroalprenolol: Hydrogenated alprenolol derivative where the extra hydrogens are often tritiated. This radiolabeled form of ALPRENOLOL, a beta-adrenergic blocker, is used to label the beta-adrenergic receptor for isolation and study. | 1.97 | 1 | 0 | | |
1-octanesulfonic acid
1-octanesulfonic acid: RN given refers to parent cpd | 2.1 | 1 | 0 | organosulfonic acid | local anaesthetic |
epigallocatechin gallate
epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 2.25 | 1 | 0 | flavans;
gallate ester;
polyphenol | antineoplastic agent;
antioxidant;
apoptosis inducer;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent;
plant metabolite |
perfluorohexanoic acid
perfluorohexanoic acid : A monocarboxylic acid that is perfluorinated hexanoic acid. | 8.81 | 10 | 0 | fluoroalkanoic acid | environmental contaminant;
xenobiotic |
perfluorododecanoic acid
perfluorododecanoic acid: a synthetic perfluorinated chemical containing 12 carbons, has broad industrial applications and has been detected in sera from humans and other animals. perfluorododecanoic acid : A fluoroalkanoic acid that is dodecanoic acid in which all of the hydrogens attached to carbon atoms are replaced by fluorines. It is a highly persistent, bioaccumulative breakdown product of stain- and grease-proof coatings on food packaging, soft furnishings and carpets. | 3.69 | 9 | 0 | fluoroalkanoic acid | environmental contaminant |
perfluorohexanesulfonic acid
perfluorohexanesulfonic acid : A perfluoroalkanesulfonic acid that is hexane-1-sulfonic acid in which all thirteen of the hydrogens that are attached to carbons have been replaced by fluorines. | 6.83 | 16 | 1 | perfluoroalkanesulfonic acid | |
perfluorobutane sulfonate
perfluorobutanesulfonic acid: a surfactant; structure in first source. perfluorobutanesulfonic acid : A perfluoroalkanesulfonic acid that is butane-1-sulfonic acid in which all of the hydrogens of the butyl group have been replaced by fluorines. | 2.83 | 3 | 0 | perfluoroalkanesulfonic acid | surfactant |
perfluoro-n-heptanoic acid
perfluoroheptanoic acid : A fluoroalkanoic acid that is perfluorinated heptanoic acid. | 3.45 | 7 | 0 | fluoroalkanoic acid | environmental contaminant;
xenobiotic |
perfluoro-n-nonanoic acid
perfluorononanoic acid : A fluoroalkanoic acid that is nonanoic acid in which all of the hydrogens in the alkyl chain are replaced by fluorines. | 6.02 | 30 | 0 | fluoroalkanoic acid | persistent organic pollutant;
surfactant;
xenobiotic |
perfluorooctanesulfonamide
perfluorooctanesulfonamide : A perfluorinated compound that is perfluorooctane in which one of the terminal fluorines has been replace by a sulfamoyl group. | 3.11 | 4 | 0 | perfluorinated compound;
sulfonamide | persistent organic pollutant |
perfluorooctane sulfonic acid
perfluorooctane-1-sulfonic acid : A perfluoroalkanesulfonic acid that is octane-1-sulfonic acid in which all seventeen of the hydrogens that are attached to carbons hvae been replaced by fluorines. | 8.8 | 78 | 1 | perfluoroalkanesulfonic acid | antilipemic drug;
persistent organic pollutant |
perfluoroundecanoic acid
perfluoroundecanoic acid : A fluoroalkanoic acid that is perfluorinated undecanoic acid. | 4.44 | 18 | 0 | fluoroalkanoic acid | environmental contaminant;
xenobiotic |
coenzyme a
[no description available] | 1.98 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
stearoyl-coenzyme a
[no description available] | 1.99 | 1 | 0 | 11,12-saturated fatty acyl-CoA;
long-chain fatty acyl-CoA | Escherichia coli metabolite;
mouse metabolite |
2,2',4,4'-tetrabromodiphenyl ether
[no description available] | 2.13 | 1 | 0 | aromatic ether;
organobromine compound | |
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. | 7.26 | 90 | 1 | fatty acid anion 8:0;
straight-chain saturated fatty acid anion | human metabolite;
Saccharomyces cerevisiae metabolite |
lauroyl-coenzyme a
lauroyl-CoA : A medium-chain fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of lauric (dodecanoic) acid. | 1.98 | 1 | 0 | medium-chain fatty acyl-CoA | Escherichia coli metabolite;
mouse metabolite |
clofibric acid-coenzyme a
clofibric acid-coenzyme A: rat liver microsomal thioester metabolite | 1.98 | 1 | 0 | | |
aflatoxin b1
Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11. | 2.07 | 1 | 0 | aflatoxin;
aromatic ether;
aromatic ketone | carcinogenic agent;
human metabolite |
tretinoin
Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).. retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).. all-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry. | 2 | 1 | 0 | retinoic acid;
vitamin A | anti-inflammatory agent;
antineoplastic agent;
antioxidant;
AP-1 antagonist;
human metabolite;
keratolytic drug;
retinoic acid receptor agonist;
retinoid X receptor agonist;
signalling molecule |
retinol
Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 1.96 | 1 | 0 | retinol;
vitamin A | human metabolite;
mouse metabolite;
plant metabolite |
oleic acid
Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 7.39 | 2 | 0 | octadec-9-enoic acid | antioxidant;
Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite;
solvent |
alitretinoin
Alitretinoin: A retinoid that is used for the treatment of chronic hand ECZEMA unresponsive to topical CORTICOSTEROIDS. It is also used to treat cutaneous lesions associated with AIDS-related KAPOSI SARCOMA. | 2 | 1 | 0 | retinoic acid | antineoplastic agent;
keratolytic drug;
metabolite;
retinoid X receptor agonist |
dactinomycin
Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 2.02 | 1 | 0 | actinomycin | mutagen |
stilbenes
Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 1.98 | 1 | 0 | stilbene | |
palmitoyl coenzyme a
Palmitoyl Coenzyme A: A fatty acid coenzyme derivative which plays a key role in fatty acid oxidation and biosynthesis.. palmitoyl-CoA : A long-chain fatty acyl-CoA resulting from the formal condensation of the carboxy group of hexadecanoic acid with the thiol group of coenzyme A. | 1.98 | 1 | 0 | 11,12-saturated fatty acyl-CoA;
3-substituted propionyl-CoA;
long-chain fatty acyl-CoA;
palmitoyl bioconjugate | Escherichia coli metabolite;
mouse metabolite |
cotinine
Cotinine: The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to tobacco SMOKING. It has CNS stimulating properties.. (-)-cotinine : An N-alkylpyrrolidine that consists of N-methylpyrrolidinone bearing a pyridin-3-yl substituent at position C-5 (the 5S-enantiomer). It is an alkaloid commonly found in Nicotiana tabacum. | 2.25 | 1 | 0 | N-alkylpyrrolidine;
pyridines;
pyrrolidin-2-ones;
pyrrolidine alkaloid | antidepressant;
biomarker;
human xenobiotic metabolite;
plant metabolite |
nadp
[no description available] | 1.97 | 1 | 0 | | |
bilirubin
[no description available] | 2.04 | 1 | 0 | biladienes;
dicarboxylic acid | antioxidant;
human metabolite;
mouse metabolite |
dinoprostone
prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.39 | 2 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
dinoprost
Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 2.39 | 2 | 0 | monocarboxylic acid;
prostaglandins Falpha | human metabolite;
mouse metabolite |
leukotriene c4
Leukotriene C4: The conjugation product of LEUKOTRIENE A4 and glutathione. It is the major arachidonic acid metabolite in macrophages and human mast cells as well as in antigen-sensitized lung tissue. It stimulates mucus secretion in the lung, and produces contractions of nonvascular and some VASCULAR SMOOTH MUSCLE. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene C4 : A leukotriene that is (5S,7E,9E,11Z,14Z)-5-hydroxyicosa-7,9,11,14-tetraenoic acid in which a glutathionyl group is attached at position 6 via a sulfide linkage. | 1.98 | 1 | 0 | leukotriene | bronchoconstrictor agent;
human metabolite;
mouse metabolite |
thromboxane b2
Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 2.39 | 2 | 0 | thromboxanes B | human metabolite;
mouse metabolite |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.5 | 2 | 0 | carbon group element atom;
elemental lead;
metal atom | neurotoxin |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.6 | 1 | 0 | metalloid atom;
pnictogen | micronutrient |
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 1.98 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.38 | 2 | 0 | chalcogen;
nonmetal atom | micronutrient |
tannins
Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing. | 2.13 | 1 | 0 | | |
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 7.07 | 1 | 0 | glycoside | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 1.99 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
ubiquinone
Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 1.98 | 1 | 0 | | |
merocyanine dye
merocyanine dye: fluorescent dye used for studying axons 2 position on pyrimidine ring may be S or O; RN given refers to Na salt; structure | 1.97 | 1 | 0 | | |
peptones
Peptones: Derived proteins or mixtures of cleavage products produced by the partial hydrolysis of a native protein either by an acid or by an enzyme. Peptones are readily soluble in water, and are not precipitable by heat, by alkalis, or by saturation with ammonium sulfate. (Dorland, 28th ed) | 2.13 | 1 | 0 | | |
glycolipids
[no description available] | 1.99 | 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. | 1.98 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
deoxyguanosine
[no description available] | 2.68 | 3 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
folic acid
folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.41 | 1 | 0 | folic acids;
N-acyl-amino acid | human metabolite;
mouse metabolite;
nutrient |
methylnitronitrosoguanidine
Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 2.07 | 1 | 0 | nitroso compound | alkylating agent |
8-hydroxy-2'-deoxyguanosine
8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 2.68 | 3 | 0 | guanosines | biomarker |
metallothionein
Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 1.98 | 1 | 0 | | |
pyrimidinones
Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 1.97 | 1 | 0 | | |