| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
5-hydroxytryptophan
5-Hydroxytryptophan: The immediate precursor in the biosynthesis of SEROTONIN from tryptophan. It is used as an antiepileptic and antidepressant.. 5-hydroxytryptophan : A tryptophan derivative that is tryptophan substituted by a hydroxy group at position 5. | 1.94 | 1 | 0 | hydroxytryptophan | human metabolite;
neurotransmitter |
acetic acid
Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 1.97 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
acetaldehyde
Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 2.64 | 3 | 0 | aldehyde | carcinogenic agent;
EC 3.5.1.4 (amidase) inhibitor;
electron acceptor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
mutagen;
oxidising agent;
Saccharomyces cerevisiae metabolite;
teratogenic agent |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.86 | 4 | 0 | azane;
gas molecular entity;
mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant |
benzaldehyde
[no description available] | 2 | 1 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
EC 3.5.5.1 (nitrilase) inhibitor;
flavouring agent;
fragrance;
odorant receptor agonist;
plant metabolite |
bromide
Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) | 1.94 | 1 | 0 | halide anion;
monoatomic bromine | |
cadaverine
[no description available] | 1.98 | 1 | 0 | alkane-alpha,omega-diamine | Daphnia magna metabolite;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite |
carbamates
[no description available] | 3.34 | 7 | 0 | amino-acid anion | |
catechol
[no description available] | 2 | 1 | 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). | 2.15 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
hydrochloric acid
Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 1.94 | 1 | 0 | chlorine molecular entity;
gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 2 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent;
antioxidant;
apoptosis inducer;
astringent;
cyclooxygenase 2 inhibitor;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
geroprotector;
human xenobiotic metabolite;
plant metabolite |
guaiacol
Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 1.95 | 1 | 0 | guaiacols | disinfectant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
expectorant;
plant metabolite |
aminocaproic acid
Aminocaproic Acid: An antifibrinolytic agent that acts by inhibiting plasminogen activators which have fibrinolytic properties.. 6-aminohexanoic acid : An epsilon-amino acid comprising hexanoic acid carrying an amino substituent at position C-6. Used to control postoperative bleeding, and to treat overdose effects of the thrombolytic agents streptokinase and tissue plasminogen activator. | 1.96 | 1 | 0 | amino acid zwitterion;
epsilon-amino acid;
omega-amino fatty acid | antifibrinolytic drug;
hematologic agent;
metabolite |
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.37 | 2 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.87 | 4 | 0 | aldehyde;
one-carbon compound | allergen;
carcinogenic agent;
disinfectant;
EC 3.5.1.4 (amidase) inhibitor;
environmental contaminant;
Escherichia coli metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
glycine
[no description available] | 3.64 | 10 | 0 | alpha-amino acid;
amino acid zwitterion;
proteinogenic amino acid;
serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor;
fundamental metabolite;
hepatoprotective agent;
micronutrient;
neurotransmitter;
NMDA receptor agonist;
nutraceutical |
glyceraldehyde
Glyceraldehyde: An aldotriose containing the propionaldehyde structure with hydroxy groups at the 2- and 3-positions. It is involved in the formation of ADVANCED GLYCOSYLATION END PRODUCTS.. glyceraldehyde : An aldotriose comprising propanal having hydroxy groups at the 2- and 3-positions. It plays role in the formation of advanced glycation end-products (AGEs), a deleterious accompaniment to ageing.. aldose : Aldehydic parent sugars (polyhydroxy aldehydes H[CH(OH)]nC(=O)H, n >= 2) and their intramolecular hemiacetals. | 1.94 | 1 | 0 | aldotriose | fundamental metabolite |
hydrogen cyanide
Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.. hydrogen cyanide : A one-carbon compound consisting of a methine group triple bonded to a nitrogen atom | 2.65 | 3 | 0 | hydracid;
one-carbon compound | Escherichia coli metabolite;
human metabolite;
poison |
histamine
[no description available] | 2.36 | 2 | 0 | aralkylamino compound;
imidazoles | human metabolite;
mouse metabolite;
neurotransmitter |
hydroquinone
[no description available] | 2 | 1 | 0 | benzenediol;
hydroquinones | antioxidant;
carcinogenic agent;
cofactor;
Escherichia coli metabolite;
human xenobiotic metabolite;
mouse metabolite;
skin lightening agent |
thioctic acid
Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 1.96 | 1 | 0 | dithiolanes;
heterocyclic fatty acid;
thia fatty acid | fundamental metabolite;
geroprotector |
croton oil
[no description available] | 2.33 | 2 | 0 | N-acyl-hexosamine | |
niacinamide
nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.36 | 2 | 0 | pyridine alkaloid;
pyridinecarboxamide;
vitamin B3 | anti-inflammatory agent;
antioxidant;
cofactor;
EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
Escherichia coli metabolite;
geroprotector;
human urinary metabolite;
metabolite;
mouse metabolite;
neuroprotective agent;
Saccharomyces cerevisiae metabolite;
Sir2 inhibitor |
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. | 2.37 | 2 | 0 | aminobenzoic acid;
aromatic amino-acid zwitterion | allergen;
Escherichia coli metabolite;
plant metabolite |
phenethylamine
phenethylamine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7016. 2-phenylethylamine : A phenylethylamine having the phenyl substituent at the 2-position. | 2.15 | 1 | 0 | alkaloid;
aralkylamine;
phenylethylamine | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
pqq cofactor
PQQ Cofactor: A pyrrolo-quinoline having two adjacent keto-groups at the 4 and 5 positions and three acidic carboxyl groups. It is a coenzyme of some DEHYDROGENASES.. pyrroloquinoline quinone : A pyrroloquinoline having oxo groups at the 4- and 5-positions and carboxy groups at the 2-, 7- and 9-positions. | 1.97 | 1 | 0 | orthoquinones;
pyrroloquinoline cofactor;
tricarboxylic acid | anti-inflammatory agent;
antioxidant;
cofactor;
water-soluble vitamin (role) |
putrescine
[no description available] | 2.37 | 2 | 0 | alkane-alpha,omega-diamine | antioxidant;
fundamental metabolite |
pyridoxal
[no description available] | 2.35 | 2 | 0 | hydroxymethylpyridine;
methylpyridines;
monohydroxypyridine;
pyridinecarbaldehyde;
vitamin B6 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
pyridoxal phosphate
Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. | 2.86 | 4 | 0 | methylpyridines;
monohydroxypyridine;
pyridinecarbaldehyde;
vitamin B6 phosphate | coenzyme;
cofactor;
EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
pyridoxine
4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol: structure in first source. vitamin B6 : Any member of the group of pyridines that exhibit biological activity against vitamin B6 deficiency. Vitamin B6 deficiency is associated with microcytic anemia, electroencephalographic abnormalities, dermatitis with cheilosis (scaling on the lips and cracks at the corners of the mouth) and glossitis (swollen tongue), depression and confusion, and weakened immune function. Vitamin B6 consists of the vitamers pyridoxine, pyridoxal, and pyridoxamine and their respective 5'-phosphate esters (and includes their corresponding ionized and salt forms). | 4.17 | 5 | 0 | hydroxymethylpyridine;
methylpyridines;
monohydroxypyridine;
vitamin B6 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
pyrogallol
benzenetriol : A triol in which three hydroxy groups are substituted onto a benzene ring. | 2 | 1 | 0 | benzenetriol;
phenolic donor | plant 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. | 2.64 | 3 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | human metabolite |
sarcosine
cocobetaine: N-alkyl-betaine; cause of shampoo dermatitis | 1.94 | 1 | 0 | N-alkylglycine zwitterion;
N-alkylglycine;
N-methyl-amino acid;
N-methylglycines | Escherichia coli metabolite;
glycine receptor agonist;
glycine transporter 1 inhibitor;
human metabolite;
mouse metabolite |
spermidine
[no description available] | 1.94 | 1 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
spermine
[no description available] | 2.38 | 2 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
taurine
[no description available] | 1.95 | 1 | 0 | amino sulfonic acid;
zwitterion | antioxidant;
Escherichia coli metabolite;
glycine receptor agonist;
human metabolite;
mouse metabolite;
nutrient;
radical scavenger;
Saccharomyces cerevisiae metabolite |
thiamine
thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 3.06 | 1 | 0 | primary alcohol;
vitamin B1 | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 1.94 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
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. | 2.6 | 1 | 0 | uric acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.88 | 4 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
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'. | 3.35 | 7 | 0 | bipyridine | chelator;
ferroptosis inhibitor |
pyrithione
pyrithione: split from cephalosporin molecule; some metal complexes of this have fumarate reductase inhibitory activity and may be useful against trypanosomes; RN given refers to parent cpd; structure. pyrithione : A pyridinethione that is pyridine-2(1H)-thione in which the hydrogen attached to the nitrogen is replaced by a hydroxy group. It is a Zn(2+) ionophore; the zinc salt is used as an antifungal and antibacterial agent. | 2.17 | 1 | 0 | monohydroxypyridine;
pyridinethione | ionophore |
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. | 1.96 | 1 | 0 | aromatic amine;
triazoles | carotenoid biosynthesis inhibitor;
EC 1.11.1.6 (catalase) inhibitor;
herbicide |
3-methylcholanthrene
Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
phenytoin
[no description available] | 2.87 | 4 | 0 | imidazolidine-2,4-dione | anticonvulsant;
drug allergen;
sodium channel blocker;
teratogenic agent |
pimagedine
pimagedine: diamine oxidase & nitric oxide synthase inhibitor; an advanced glycosylation end product inhibitor; used in the treatment of diabetic complications; structure. aminoguanidine : A one-carbon compound whose unique structure renders it capable of acting as a derivative of hydrazine, guanidine or formamide. | 2.38 | 2 | 0 | guanidines;
one-carbon compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor;
EC 1.4.3.4 (monoamine oxidase) inhibitor |
amlodipine
Amlodipine: A long-acting dihydropyridine calcium channel blocker. It is effective in the treatment of ANGINA PECTORIS and HYPERTENSION.. amlodipine : A fully substituted dialkyl 1,4-dihydropyridine-3,5-dicarboxylate derivative, which is used for the treatment of hypertension, chronic stable angina and confirmed or suspected vasospastic angina. | 2.05 | 1 | 0 | dihydropyridine;
ethyl ester;
methyl ester;
monochlorobenzenes;
primary amino compound | antihypertensive agent;
calcium channel blocker;
vasodilator agent |
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. | 2 | 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 |
carmustine
Carmustine: A cell-cycle phase nonspecific alkylating antineoplastic agent. It is used in the treatment of brain tumors and various other malignant neoplasms. (From Martindale, The Extra Pharmacopoeia, 30th ed, p462) This substance may reasonably be anticipated to be a carcinogen according to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (From Merck Index, 11th ed). carmustine : A member of the class of N-nitrosoureas that is 1,3-bis(2-chloroethyl)urea in which one of the nitrogens is substituted by a nitroso group. | 1.96 | 1 | 0 | N-nitrosoureas;
organochlorine compound | alkylating agent;
antineoplastic agent |
cefixime
Cefixime: A third-generation cephalosporin antibiotic that is stable to hydrolysis by beta-lactamases.. cefixime : A third-generation cephalosporin antibiotic bearing vinyl and (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. It is used in the treatment of gonorrhoea, tonsilitis, pharyngitis, bronchitis, and urinary tract infections. | 2.31 | 1 | 0 | | |
chloroquine
Chloroquine: The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.. chloroquine : An aminoquinoline that is quinoline which is substituted at position 4 by a [5-(diethylamino)pentan-2-yl]amino group at at position 7 by chlorine. It is used for the treatment of malaria, hepatic amoebiasis, lupus erythematosus, light-sensitive skin eruptions, and rheumatoid arthritis. | 7.34 | 2 | 0 | aminoquinoline;
organochlorine compound;
secondary amino compound;
tertiary amino compound | anticoronaviral agent;
antimalarial;
antirheumatic drug;
autophagy inhibitor;
dermatologic drug |
clofibrate
angiokapsul: contains clofibrate & insoitolnicotinate | 1.97 | 1 | 0 | aromatic ether;
ethyl ester;
monochlorobenzenes | anticholesteremic drug;
antilipemic drug;
geroprotector;
PPARalpha agonist |
cystamine
[no description available] | 1.95 | 1 | 0 | organic disulfide;
primary amino compound | EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor |
diphenhydramine
Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 1.94 | 1 | 0 | ether;
tertiary amino compound | anti-allergic agent;
antidyskinesia agent;
antiemetic;
antiparkinson drug;
antipruritic drug;
antitussive;
H1-receptor antagonist;
local anaesthetic;
muscarinic antagonist;
oneirogen;
sedative |
disulfiram
[no description available] | 5.74 | 6 | 0 | organic disulfide;
organosulfur acaricide | angiogenesis inhibitor;
antineoplastic agent;
apoptosis inducer;
EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor;
EC 3.1.1.1 (carboxylesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
ferroptosis inducer;
fungicide;
NF-kappaB inhibitor |
valproic acid
Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS.. valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. | 1.97 | 1 | 0 | branched-chain fatty acid;
branched-chain saturated fatty acid | anticonvulsant;
antimanic drug;
EC 3.5.1.98 (histone deacetylase) inhibitor;
GABA agent;
neuroprotective agent;
psychotropic drug;
teratogenic agent |
ethylenediamine
ethylenediamine: RN given refers to parent cpd; edamine is the recommended contraction for the ethylenediamine radical. ethylenediamine : An alkane-alpha,omega-diamine in which the alkane is ethane. | 1.98 | 1 | 0 | alkane-alpha,omega-diamine | GABA agonist |
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. | 4.51 | 4 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
glutaral
Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5. | 2.45 | 2 | 0 | dialdehyde | cross-linking reagent;
disinfectant;
fixative |
guanethidine
Guanethidine: An antihypertensive agent that acts by inhibiting selectively transmission in post-ganglionic adrenergic nerves. It is believed to act mainly by preventing the release of norepinephrine at nerve endings and causes depletion of norepinephrine in peripheral sympathetic nerve terminals as well as in tissues.. guanethidine : A member of the class of guanidines in which one of the hydrogens of the amino group has been replaced by a 2-azocan-1-ylethyl group.. guanethidine sulfate : A organic sulfate salt composed of two molecules of guanethidine and one of sulfuric acid. | 3.04 | 1 | 0 | azocanes;
guanidines | adrenergic antagonist;
antihypertensive agent;
sympatholytic agent |
guanidine
Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 1.96 | 1 | 0 | carboxamidine;
guanidines;
one-carbon compound | |
1-(5-isoquinolinesulfonyl)-2-methylpiperazine
1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine: A specific protein kinase C inhibitor, which inhibits superoxide release from human neutrophils (PMN) stimulated with phorbol myristate acetate or synthetic diacylglycerol.. 1-(5-isoquinolinesulfonyl)-2-methylpiperazine : A member of the class of N-sulfonylpiperazines that is 2-methylpiperazine substituted at position 1 by a 5-isoquinolinesulfonyl group. | 2.21 | 1 | 0 | isoquinolines;
N-sulfonylpiperazine | EC 2.7.11.13 (protein kinase C) inhibitor |
hydralazine
Hydralazine: A direct-acting vasodilator that is used as an antihypertensive agent.. hydralazine : The 1-hydrazino derivative of phthalazine; a direct-acting vasodilator that is used as an antihypertensive agent. | 7.87 | 4 | 0 | azaarene;
hydrazines;
ortho-fused heteroarene;
phthalazines | antihypertensive agent;
vasodilator agent |
phenelzine
Phenelzine: One of the MONOAMINE OXIDASE INHIBITORS used to treat DEPRESSION; PHOBIC DISORDERS; and PANIC. | 2.35 | 2 | 0 | primary amine | |
indomethacin
Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.38 | 2 | 0 | aromatic ether;
indole-3-acetic acids;
monochlorobenzenes;
N-acylindole | analgesic;
drug metabolite;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
gout suppressant;
non-steroidal anti-inflammatory drug;
xenobiotic metabolite;
xenobiotic |
iproniazid
[no description available] | 2.35 | 2 | 0 | carbohydrazide;
pyridines | |
avapro
Irbesartan: A spiro compound, biphenyl and tetrazole derivative that acts as an angiotensin II type 1 receptor antagonist. It is used in the management of HYPERTENSION, and in the treatment of kidney disease.. irbesartan : A biphenylyltetrazole that is an angiotensin II receptor antagonist used mainly for the treatment of hypertension. | 2.41 | 1 | 0 | azaspiro compound;
biphenylyltetrazole | angiotensin receptor antagonist;
antihypertensive agent;
environmental contaminant;
xenobiotic |
isoniazid
Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 3.75 | 11 | 0 | carbohydrazide | antitubercular agent;
drug allergen |
isoproterenol
Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 7.88 | 4 | 0 | catechols;
secondary alcohol;
secondary amino compound | beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent |
khellin
Khellin: A vasodilator that also has bronchodilatory action. It has been employed in the treatment of angina pectoris, in the treatment of asthma, and in conjunction with ultraviolet light A, has been tried in the treatment of vitiligo. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1024). khellin : A furanochrome in which the basic tricyclic skeleton is substituted at positions 4 and 9 with methoxy groups and at position 7 with a methyl group. A major constituent of the plant Ammi visnaga it is a herbal folk medicine used for various illnesses, its main effect being as a vasodilator. | 2.36 | 2 | 0 | furanochromone;
organic heterotricyclic compound;
oxacycle | anti-asthmatic agent;
bronchodilator agent;
cardiovascular drug;
vasodilator agent |
losartan
Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.. losartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position | 2.41 | 1 | 0 | biphenylyltetrazole;
imidazoles | angiotensin receptor antagonist;
anti-arrhythmia drug;
antihypertensive agent;
endothelin receptor antagonist |
metformin
Metformin: A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289). metformin : A member of the class of guanidines that is biguanide the carrying two methyl substituents at position 1. | 1.95 | 1 | 0 | guanidines | environmental contaminant;
geroprotector;
hypoglycemic agent;
xenobiotic |
mexiletine
Mexiletine: Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant properties.. mexiletine : An aromatic ether which is 2,6-dimethylphenyl ether of 2-aminopropan-1-ol. | 1.98 | 1 | 0 | aromatic ether;
primary amino compound | anti-arrhythmia drug |
minoxidil
Minoxidil: A potent direct-acting peripheral vasodilator (VASODILATOR AGENTS) that reduces peripheral resistance and produces a fall in BLOOD PRESSURE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p371). minoxidil : A pyrimidine N-oxide that is pyrimidine-2,4-diamine 3-oxide substituted by a piperidin-1-yl group at position 6. | 2.39 | 2 | 0 | dialkylarylamine;
tertiary amino compound | |
monodansylcadaverine
monodansylcadaverine: inhibits cross linkage of fibrin. monodansylcadaverine : A sulfonamide obtained by formal condensation of the sulfo group of 5-(dimethylamino)naphthalene-1-sulfonic acid with one of the amino groups of cadaverine. | 1.98 | 1 | 0 | aminonaphthalene;
primary amino compound;
sulfonamide;
tertiary amino compound | EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor;
fluorochrome;
protective agent |
clorgyline
Clorgyline: An antidepressive agent and monoamine oxidase inhibitor related to PARGYLINE.. clorgyline : An aromatic ether that is the 2,4-dichlorophenyl ether of 3-aminopropan-1-ol in which the nitrogen is substituted by a methyl group and a prop-1-yn-3-yl group. A monoamine oxidase inhibitor, it was formerly used as an antidepressant. | 2.38 | 2 | 0 | aromatic ether;
dichlorobenzene;
terminal acetylenic compound;
tertiary amino compound | antidepressant;
EC 1.4.3.4 (monoamine oxidase) inhibitor |
nifedipine
Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 2.17 | 1 | 0 | C-nitro compound;
dihydropyridine;
methyl ester | calcium channel blocker;
human metabolite;
tocolytic agent;
vasodilator agent |
pargyline
Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 7.87 | 4 | 0 | aromatic amine | |
phenobarbital
Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 1.94 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
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. | 2.35 | 2 | 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 |
4-aminobenzoic acid
para-Aminobenzoates: Benzoic acids, salts, or esters that contain an amino group attached to carbon number 4 of the benzene ring structure.. 4-aminobenzoate : An aromatic amino-acid anion that is the conjugate base of 4-aminobenzoic acid. | 1.97 | 1 | 0 | aminobenzoate;
aromatic amino-acid anion | Escherichia coli metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
practolol
Practolol: A beta-1 adrenergic antagonist that has been used in the emergency treatment of CARDIAC ARRYTHMIAS.. practolol : N-(4-Hydroxyphenyl)acetamide in which the hydrogen of the phenolic hydroxy group is substituted by a 3-(isopropylaminoamino)-2-hydroxypropyl group. A selective beta blocker, it has been used in the emergency treatment of cardiac arrhythmias. | 7.36 | 2 | 0 | acetamides;
ethanolamines;
propanolamine;
secondary alcohol;
secondary amino compound | anti-arrhythmia drug;
beta-adrenergic antagonist |
praziquantel
azinox: Russian drug | 2.9 | 4 | 0 | isoquinolines | |
proadifen
Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 2.64 | 3 | 0 | diarylmethane | |
propranolol
Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. | 4.15 | 5 | 0 | naphthalenes;
propanolamine;
secondary amine | anti-arrhythmia drug;
antihypertensive agent;
anxiolytic drug;
beta-adrenergic antagonist;
environmental contaminant;
human blood serum metabolite;
vasodilator agent;
xenobiotic |
pyridinolcarbamate
Pyridinolcarbamate: A drug that has been given by mouth in the treatment of atherosclerosis and other vascular disorders, hyperlipidemias, and thrombo-embolic disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1408) | 3.34 | 7 | 0 | pyridines | |
resorcinol
resorcinol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7951. resorcinol : A benzenediol that is benzene dihydroxylated at positions 1 and 3. | 1.98 | 1 | 0 | benzenediol;
phenolic donor;
resorcinols | erythropoietin inhibitor;
sensitiser |
carbamylhydrazine
carbamylhydrazine: RN given refers to parent cpd | 3.49 | 8 | 0 | carbohydrazide;
monocarboxylic acid amide;
one-carbon compound;
ureas | |
sodium fluoride
[no description available] | 6.98 | 1 | 0 | fluoride salt | mutagen |
sotalol
Sotalol: An adrenergic beta-antagonist that is used in the treatment of life-threatening arrhythmias.. sotalol : A sulfonamide that is N-phenylmethanesulfonamide in which the phenyl group is substituted at position 4 by a 1-hydroxy-2-(isopropylamino)ethyl group. It has both beta-adrenoreceptor blocking (Vaughan Williams Class II) and cardiac action potential duration prolongation (Vaughan Williams Class III) antiarrhythmic properties. It is used (usually as the hydrochloride salt) for the management of ventricular and supraventricular arrhythmias. | 7.36 | 2 | 0 | ethanolamines;
secondary alcohol;
secondary amino compound;
sulfonamide | anti-arrhythmia drug;
beta-adrenergic antagonist;
environmental contaminant;
xenobiotic |
imatinib
[no description available] | 2.21 | 1 | 0 | aromatic amine;
benzamides;
N-methylpiperazine;
pyridines;
pyrimidines | antineoplastic agent;
apoptosis inducer;
tyrosine kinase inhibitor |
sulfamethazine
Sulfamethazine: A sulfanilamide anti-infective agent. It has a spectrum of antimicrobial action similar to other sulfonamides.. sulfamethazine : A sulfonamide consisting of pyrimidine with methyl substituents at the 4- and 6-positions and a 4-aminobenzenesulfonamido group at the 2-position. | 3.04 | 1 | 0 | pyrimidines;
sulfonamide antibiotic;
sulfonamide | antibacterial drug;
antiinfective agent;
antimicrobial agent;
carcinogenic agent;
drug allergen;
EC 2.5.1.15 (dihydropteroate synthase) inhibitor;
environmental contaminant;
ligand;
xenobiotic |
sulfasalazine
Sulfasalazine: A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907). sulfasalazine : An azobenzene consisting of diphenyldiazene having a carboxy substituent at the 4-position, a hydroxy substituent at the 3-position and a 2-pyridylaminosulphonyl substituent at the 4'-position. | 2.25 | 1 | 0 | | |
suramin
Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties.. suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. | 2.02 | 1 | 0 | naphthalenesulfonic acid;
phenylureas;
secondary carboxamide | angiogenesis inhibitor;
antinematodal drug;
antineoplastic agent;
apoptosis inhibitor;
EC 2.7.11.13 (protein kinase C) inhibitor;
GABA antagonist;
GABA-gated chloride channel antagonist;
purinergic receptor P2 antagonist;
ryanodine receptor agonist;
trypanocidal drug |
thalidomide
Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.. thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.. 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group. | 2.37 | 2 | 0 | phthalimides;
piperidones | |
thiram
Thiram: A dithiocarbamate chemical, used commercially in the rubber processing industry and as a fungicide. In vivo studies indicate that it inactivates the enzyme GLUTATHIONE REDUCTASE. It has mutagenic activity and may induce chromosomal aberrations.. thiram : An organic disulfide that results from the formal oxidative dimerisation of N,N-dimethyldithiocarbamic acid. It is widely used as a fungicidal seed treatment. | 2.17 | 1 | 0 | organic disulfide | antibacterial drug;
antifungal agrochemical;
antiseptic drug |
triamterene
Triamterene: A pteridinetriamine compound that inhibits SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS.. triamterene : Pteridine substituted at positions 2, 4 and 7 with amino groups and at position 6 with a phenyl group. A sodium channel blocker, it is used as a diuretic in the treatment of hypertension and oedema. | 1.94 | 1 | 0 | pteridines | diuretic;
sodium channel blocker |
trientine
Trientine: An ethylenediamine derivative used as stabilizer for EPOXY RESINS, as ampholyte for ISOELECTRIC FOCUSING and as chelating agent for copper in HEPATOLENTICULAR DEGENERATION.. TETA : An azamacrocyle in which four nitrogen atoms at positions 1, 4, 8 and 11 of a fouteen-membered ring are each substituted with a carboxymethyl group.. 2,2,2-tetramine : A polyazaalkane that is decane in which the carbon atoms at positions 1, 4, 7 and 10 are replaced by nitrogens. | 1.97 | 1 | 0 | polyazaalkane;
tetramine | copper chelator |
tyramine
[no description available] | 2.35 | 2 | 0 | monoamine molecular messenger;
primary amino compound;
tyramines | EC 3.1.1.8 (cholinesterase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter |
mitomycin
Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae. | 4.02 | 2 | 0 | mitomycin | alkylating agent;
antineoplastic agent |
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. | 7.86 | 4 | 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 |
reserpine
Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. | 9.14 | 5 | 0 | alkaloid ester;
methyl ester;
yohimban alkaloid | adrenergic uptake inhibitor;
antihypertensive agent;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
environmental contaminant;
first generation antipsychotic;
plant metabolite;
xenobiotic |
thymidine
[no description available] | 1.94 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse metabolite |
hydroxyproline
Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group. | 7.23 | 55 | 0 | 4-hydroxyproline;
L-alpha-amino acid zwitterion | human metabolite;
mouse metabolite;
plant metabolite |
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. | 8.04 | 5 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
penicillamine
Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group. | 8.08 | 60 | 0 | non-proteinogenic alpha-amino acid;
penicillamine | antirheumatic drug;
chelator;
copper chelator;
drug allergen |
prednisone
Prednisone: A synthetic anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver.. prednisone : A synthetic glucocorticoid drug that is particularly effective as an immunosuppressant, and affects virtually all of the immune system. Prednisone is a prodrug that is converted by the liver into prednisolone (a beta-hydroxy group instead of the oxo group at position 11), which is the active drug and also a steroid. | 7.34 | 2 | 0 | 11-oxo 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;
immunosuppressive agent;
prodrug |
estrone
Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 2.03 | 1 | 0 | 17-oxo steroid;
3-hydroxy steroid;
phenolic steroid;
phenols | antineoplastic agent;
bone density conservation agent;
estrogen;
human metabolite;
mouse metabolite |
idoxuridine
[no description available] | 1.97 | 1 | 0 | organoiodine compound;
pyrimidine 2'-deoxyribonucleoside | antiviral drug;
DNA synthesis inhibitor |
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. | 2.34 | 2 | 0 | 2-halophenol;
amino acid zwitterion;
iodophenol;
iodothyronine | human metabolite;
mouse metabolite;
thyroid hormone |
carbon tetrachloride
Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.13 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
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. | 8.19 | 6 | 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 |
glutamine
Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 3.45 | 2 | 0 | amino acid zwitterion;
glutamine family amino acid;
glutamine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
lysine
Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 6.97 | 42 | 0 | aspartate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
lysine;
organic molecular entity;
proteinogenic amino acid | algal metabolite;
anticonvulsant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
cyanides
Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 6.91 | 95 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
sucrose
Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 1.94 | 1 | 0 | glycosyl glycoside | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
sweetening agent |
9,10-dimethyl-1,2-benzanthracene
9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 2.36 | 2 | 0 | ortho-fused polycyclic arene;
tetraphenes | carcinogenic agent |
methyltestosterone
Methyltestosterone: A synthetic hormone used for androgen replacement therapy and as an hormonal antineoplastic agent (ANTINEOPLASTIC AGENTS, HORMONAL).. methyltestosterone : A 17beta-hydroxy steroid that is testosterone bearing a methyl group at the 17alpha position. | 2 | 1 | 0 | 17beta-hydroxy steroid;
3-oxo-Delta(4) steroid;
enone | anabolic agent;
androgen;
antineoplastic agent |
uridine
[no description available] | 1.97 | 1 | 0 | uridines | drug metabolite;
fundamental metabolite;
human metabolite |
bromodeoxyuridine
Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. | 2.36 | 2 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite;
antineoplastic agent |
galactose
galactopyranose : The pyranose form of galactose. | 2.86 | 4 | 0 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
carbostyril
Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 1.97 | 1 | 0 | monohydroxyquinoline;
quinolone | bacterial xenobiotic metabolite |
levodopa
Levodopa: The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system.. L-dopa : An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | 1.95 | 1 | 0 | amino acid zwitterion;
dopa;
L-tyrosine derivative;
non-proteinogenic L-alpha-amino acid | allelochemical;
antidyskinesia agent;
antiparkinson drug;
dopaminergic agent;
hapten;
human metabolite;
mouse metabolite;
neurotoxin;
plant growth retardant;
plant metabolite;
prodrug |
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. | 2.67 | 3 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.64 | 3 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
cysteamine
Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 3.33 | 7 | 0 | amine;
thiol | geroprotector;
human metabolite;
mouse metabolite;
radiation protective agent |
4-deoxypyridoxine
4-deoxypyridoxine: RN given refers to parent cpd; structure; pyridoxine antagonist. 4-deoxypyridoxine : A pyridine ring substituted with methyl groups at positions 2 and 4, a hydroxyl at position 3, and a hydroxymethyl group at position 5. | 1.96 | 1 | 0 | hydroxymethylpyridine;
methylpyridines;
monohydroxypyridine | metabolite |
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. | 4.16 | 5 | 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 |
methionine
Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 1.94 | 1 | 0 | aspartate family amino acid;
L-alpha-amino acid;
methionine zwitterion;
methionine;
proteinogenic amino acid | antidote to paracetamol poisoning;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
phenylalanine
Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 1.94 | 1 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
phenylalanine;
proteinogenic amino acid | algal metabolite;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
Escherichia coli metabolite;
human xenobiotic metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
desoxycorticosterone
Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE | 3.66 | 10 | 0 | 20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
mineralocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
colchicine
(S)-colchicine : A colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. | 4.96 | 7 | 0 | alkaloid;
colchicine | anti-inflammatory agent;
gout suppressant;
mutagen |
cycloheximide
Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 2.37 | 2 | 0 | antibiotic fungicide;
cyclic ketone;
dicarboximide;
piperidine antibiotic;
piperidones;
secondary alcohol | anticoronaviral agent;
bacterial metabolite;
ferroptosis inhibitor;
neuroprotective agent;
protein synthesis inhibitor |
histidine
Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 1.94 | 1 | 0 | amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 2.64 | 3 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.6 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
tryptophan zwitterion;
tryptophan | antidepressant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 1.94 | 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 |
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. | 2.35 | 2 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
acetonitrile
acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
acetone cyanohydrin
acetone cyanohydrin: RN given refers to unlabeled cpd; structure | 3.16 | 1 | 0 | cyanohydrin | |
tromethamine
Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 1.94 | 1 | 0 | primary amino compound;
triol | buffer |
isoprene
isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 1.99 | 1 | 0 | alkadiene;
hemiterpene;
volatile organic compound | plant metabolite |
pantothenic acid
Pantothenic Acid: A butyryl-beta-alanine that can also be viewed as pantoic acid complexed with BETA ALANINE. It is incorporated into COENZYME A and protects cells against peroxidative damage by increasing the level of GLUTATHIONE.. pantothenic acid : A member of the class of pantothenic acids that is an amide formed from pantoic acid and beta-alanine.. vitamin B5 : Any member of a group of vitamers that belong to the chemical structural class called pantothenic acids that exhibit biological activity against vitamin B5 deficiency. Deficiency of vitamin B5 is rare due to its widespread distribution in whole grain cereals, legumes and meat. Symptoms associated with vitamin B5 deficiency are difficult to asses since they are subtle and resemble those of other B vitamin deficiencies. The vitamers include (R)-pantothenic acid and its ionized and salt forms.. (R)-pantothenate : A pantothenate that is the conjugate base of (R)-pantothenic acid, obtained by deprotonation of the carboxy group.. (R)-pantothenic acid : A pantothenic acid having R-configuration. | 1.94 | 1 | 0 | pantothenic acid;
vitamin B5 | antidote to curare poisoning;
geroprotector;
human blood serum metabolite |
benzylamine
aminotoluene : Any member of the class of toluenes carrying one or more amino groups. | 3.13 | 5 | 0 | aralkylamine;
primary amine | allergen;
EC 3.5.5.1 (nitrilase) inhibitor;
plant metabolite |
2-bromoethylamine
[no description available] | 3.48 | 2 | 0 | | |
allylamine
Allylamine: Possesses an unusual and selective cytotoxicity for VASCULAR SMOOTH MUSCLE cells in dogs and rats. Useful for experiments dealing with arterial injury, myocardial fibrosis or cardiac decompensation. | 4.58 | 8 | 0 | alkylamine | |
propionitrile
propionitrile: structure. propionitrile : A nitrile that is acrylonitrile in which the carbon-carbon double bond has been reduced to a single bond. | 3.04 | 5 | 0 | aliphatic nitrile;
volatile organic compound | polar aprotic solvent |
allyl cyanide
TL 350: structure given in first source. allyl cyanide : An aliphatic nitrile that is hydrogen cyanide in which the hydrogen has been replaced by an allyl group. | 3.16 | 1 | 0 | aliphatic nitrile;
olefinic compound | antifeedant;
neurotoxin;
plant metabolite |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 1.95 | 1 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
1-hexanol
1-hexanol: RN given refers to parent cpd. hexanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of six carbon atoms.. hexan-1-ol : A primary alcohol that is hexane substituted by a hydroxy group at position 1. | 2.02 | 1 | 0 | hexanol;
primary alcohol | alarm pheromone;
antibacterial agent;
fragrance;
plant metabolite |
3,3'-iminodipropionitrile
3,3'-iminodipropionitrile: lathyrogen; RN refers to parent cpd; blocks axoplasmic transport of neurofilament proteins with subsequent axon swelling typical of some motor neuron diseases | 2.37 | 2 | 0 | | |
ditiocarb
Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.66 | 3 | 0 | dithiocarbamic acids | chelator;
copper chelator |
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. | 2.66 | 3 | 0 | catechin | antioxidant;
plant metabolite |
diazooxonorleucine
Diazooxonorleucine: An amino acid that inhibits phosphate-activated glutaminase and interferes with glutamine metabolism. It is an antineoplastic antibiotic produced by an unidentified species of Streptomyces from Peruvian soil. (From Merck Index, 11th ed). 6-diazo-5-oxo-L-norleucine : A non-proteinogenic L-alpha-amino acid that is L-norleucine which is substituted at position 5 by an oxo group and at position 6 by a diazo group. It is as inhibitor of various glutamine-utilising enzymes. | 2.36 | 2 | 0 | amino acid zwitterion;
diazo compound;
ketone;
non-proteinogenic L-alpha-amino acid | analgesic;
antibacterial agent;
antimetabolite;
antineoplastic agent;
antiviral agent;
apoptosis inducer;
bacterial metabolite;
EC 2.4.2.14 (amidophosphoribosyltransferase) inhibitor;
EC 3.5.1.2 (glutaminase) inhibitor;
EC 6.3.4.2 [CTP synthase (glutamine hydrolyzing)] inhibitor;
EC 6.3.5.1 [NAD(+) synthase (glutamine-hydrolysing)] inhibitor;
EC 6.3.5.2 [GMP synthase (glutamine-hydrolysing)] inhibitor;
EC 6.3.5.3 (phosphoribosylformylglycinamidine synthase) inhibitor;
EC 6.3.5.4 [asparagine synthase (glutamine-hydrolysing)] inhibitor;
EC 6.3.5.5 [carbamoyl-phosphate synthase (glutamine-hydrolysing)] inhibitor;
glutamine antagonist |
quinazolines
Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.11 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
thiazoles
[no description available] | 2.63 | 3 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
hydrazine
diamine : Any polyamine that contains two amino groups. | 3.33 | 7 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
cyanoacetic acid
cyanoacetic acid: RN given refers to parent cpd; structure. cyanoacetic acid : A monocarboxylic acid that consists of acetic acid bearing a cyano substituent. | 2.63 | 3 | 0 | monocarboxylic acid | |
4-methylcatechol
[no description available] | 2 | 1 | 0 | methylcatechol | antioxidant;
carcinogenic agent;
hapten;
human metabolite;
plant metabolite |
indole-3-carbaldehyde
indole-3-carbaldehyde: metabolite of tryptophan; structure. indole-3-carbaldehyde : A heteroarenecarbaldehyde that is indole in which the hydrogen at position 3 has been replaced by a formyl group. | 2.6 | 1 | 0 | heteroarenecarbaldehyde;
indole alkaloid;
indoles | bacterial metabolite;
human xenobiotic metabolite;
marine metabolite;
plant metabolite |
cyanogen bromide
Cyanogen Bromide: Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes. | 2.87 | 4 | 0 | | |
methamphetamine
Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. | 2.41 | 1 | 0 | amphetamines;
secondary amine | central nervous system stimulant;
environmental contaminant;
neurotoxin;
psychotropic drug;
xenobiotic |
aminoacetonitrile
Aminoacetonitrile: Cyanomethylamine. | 3.67 | 10 | 0 | | |
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. | 1.96 | 1 | 0 | dialdehyde | biomarker |
benzoylhydrazine
benzoylhydrazine: inhibits copper-depleted bovine serum amine oxidase | 1.98 | 1 | 0 | carbohydrazide | |
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 3.14 | 1 | 0 | acetylcysteine;
L-cysteine derivative;
N-acetyl-L-amino acid | antidote to paracetamol poisoning;
antiinfective agent;
antioxidant;
antiviral drug;
ferroptosis inhibitor;
geroprotector;
human metabolite;
mucolytic;
radical scavenger;
vulnerary |
c.i. 42510
Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. | 1.98 | 1 | 0 | | |
benzoylarginine nitroanilide
Benzoylarginine Nitroanilide: A chromogenic substrate that permits direct measurement of peptide hydrolase activity, e.g., papain and trypsin, by colorimetry. The substrate liberates p-nitroaniline as a chromogenic product. | 1.95 | 1 | 0 | | |
deoxyuridine
[no description available] | 2.25 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
isodesmosine
Isodesmosine: 2-(4-Amino-4-carboxybutyl)-1-(5-amino-5-carboxypentyl)-3,5-bis(3-amino-3-carboxypropyl)pyridinium. A rare amino acid found in elastin, formed by condensation of four molecules of lysine into a pyridinium ring.. isodesmosine : A pyridinium ion obtained by formal condensation of four molecules of lysine. | 2.4 | 2 | 0 | lysine derivative;
pyridinium ion | biomarker |
oxalic acid hydrazide
[no description available] | 1.96 | 1 | 0 | | |
sodium hydroxide
Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.35 | 2 | 0 | alkali metal hydroxide | |
zinc oxide
Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. | 1.96 | 1 | 0 | zinc molecular entity | |
thorium dioxide
Thorium Dioxide: Thorium oxide (ThO2). A radiographic contrast agent that was used in the early 1930s through about 1954. High rates of mortality have been linked to its use and it has been shown to cause liver cancer. | 1.95 | 1 | 0 | thorium molecular entity | |
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. | 3.74 | 3 | 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 |
dimethylaminopropionitrile
[no description available] | 3.75 | 11 | 0 | | |
azetidyl-2-carboxylic acid
azetidyl-2-carboxylic acid: a proline analog (with 4-membered ring in place of 5); a toxic non-protein amino acid that is misincorporated into protein in place of proline; induces nonfunctional heat-shock proteins; inhibits acquired thermotolerance; RN given refers to (L)-isomer; found in beets and Liliaceae. (S)-azetidine-2-carboxylic acid : The (S)-enantiomer of azetidine-2-carboxylic acid.. azetidinecarboxylic acid : A member of the class of azetidines that is azetidine substituted by at least one carboxy group at unspecified position. | 2.89 | 4 | 0 | azetidine-2-carboxylic acid | |
fucose
Fucose: A six-member ring deoxysugar with the chemical formula C6H12O5. It lacks a hydroxyl group on the carbon at position 6 of the molecule.. L-fucopyranose : The pyranose form of L-fucose.. fucose : Any deoxygalactose that is deoxygenated at the 6-position. | 2.05 | 1 | 0 | fucopyranose;
L-fucose | Escherichia coli metabolite;
mouse metabolite |
uridine diphosphate galactose
Uridine Diphosphate Galactose: A nucleoside diphosphate sugar which can be epimerized into UDPglucose for entry into the mainstream of carbohydrate metabolism. Serves as a source of galactose in the synthesis of lipopolysaccharides, cerebrosides, and lactose.. UDP-alpha-D-galactose : A UDP-D-galactose in which the anomeric centre of the galactose moiety has alpha-configuration. | 1.95 | 1 | 0 | UDP-D-galactose | mouse metabolite |
dithiothreitol
1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 1.96 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
norleucine
Norleucine: An unnatural amino acid that is used experimentally to study protein structure and function. It is structurally similar to METHIONINE, however it does not contain SULFUR.. L-norleucine : A non-proteinogenic L-alpha-amino acid comprising hexanoic acid carrying an amino group at C-2. It does not occur naturally. | 1.95 | 1 | 0 | 2-aminohexanoic acid;
L-alpha-amino acid zwitterion;
non-proteinogenic L-alpha-amino acid | |
trimethaphan
Trimethaphan: A nicotinic antagonist that has been used as a ganglionic blocker in hypertension, as an adjunct to anesthesia, and to induce hypotension during surgery.. trimethaphan : A complex heterocyclic sulfonium compound with an imidazolium core, used to treat hypertension. | 3.04 | 1 | 0 | sulfonium compound | anaesthesia adjuvant;
antihypertensive agent;
nicotinic antagonist;
vasodilator agent |
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. | 3.46 | 2 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
technetium
Technetium: The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years. | 1.95 | 1 | 0 | manganese 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. | 8.06 | 5 | 0 | cadmium molecular entity;
zinc group element atom | |
bromine
Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 1.94 | 1 | 0 | diatomic bromine | |
zinc sulfate
Zinc Sulfate: A compound given in the treatment of conditions associated with zinc deficiency such as acrodermatitis enteropathica. Externally, zinc sulfate is used as an astringent in lotions and eye drops. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1995). zinc sulfate : A metal sulfate compound having zinc(2+) as the counterion. | 1.96 | 1 | 0 | metal sulfate;
zinc molecular entity | fertilizer |
copper sulfate
Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.. copper(II) sulfate : A metal sulfate compound having copper(2+) as the metal ion. | 2.41 | 2 | 0 | metal sulfate | emetic;
fertilizer;
sensitiser |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 1.94 | 1 | 0 | dihydrogen | |
nitrous acid
Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) | 1.96 | 1 | 0 | nitrogen oxoacid | |
galactose
aldohexose : A hexose with a (potential) aldehyde group at one end. | 2.34 | 2 | 0 | | |
cadmium chloride
Cadmium Chloride: A cadmium halide in the form of colorless crystals, soluble in water, methanol, and ethanol. It is used in photography, in dyeing, and calico printing, and as a solution to precipitate sulfides. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). cadmium dichloride : A cadmium coordination entity in which cadmium(2+) and Cl(-) ions are present in the ratio 2:1. Although considered to be ionic, it has considerable covalent character to its bonding. | 3.07 | 5 | 0 | cadmium coordination entity | |
trolamine salicylate
Arthritis: Acute or chronic inflammation of JOINTS. | 1.94 | 1 | 0 | | |
ammonium chloride
Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion. | 6.93 | 1 | 0 | ammonium salt;
inorganic chloride | ferroptosis inhibitor |
ethionine
L-ethionine : An S-ethylhomocysteine that has S-configuration at the chiral centre. | 1.94 | 1 | 0 | S-ethylhomocysteine | antimetabolite;
carcinogenic agent |
selegiline
Selegiline: A selective, irreversible inhibitor of Type B monoamine oxidase that is used for the treatment of newly diagnosed patients with PARKINSON DISEASE, and for the treatment of depressive disorders. The compound without isomeric designation is Deprenyl. | 1.97 | 1 | 0 | selegiline;
terminal acetylenic compound | geroprotector |
fluorides
[no description available] | 3.05 | 1 | 0 | halide anion;
monoatomic fluorine | |
4-nitrobenzylamine
4-nitrobenzylamine: RN given refers to parent cpd | 2.15 | 1 | 0 | | |
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. | 3.74 | 11 | 0 | benzenes;
phenyl acetates | |
triamcinolone
Triamcinolone: A glucocorticoid given, as the free alcohol or in esterified form, orally, intramuscularly, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. (From Martindale, The Extra Pharmacopoeia, 30th ed, p739). triamcinolone : A C21-steroid hormone that is 1,4-pregnadiene-3,20-dione carrying four hydroxy substituents at positions 11beta, 16alpha, 17alpha and 21 as well as a fluoro substituent at position 9. Used in the form of its 16,17-acetonide to treat various skin infections. | 1.94 | 1 | 0 | 11beta-hydroxy steroid;
16alpha-hydroxy steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid hormone;
fluorinated steroid;
glucocorticoid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | anti-allergic agent;
anti-inflammatory drug |
alkenes
[no description available] | 1.94 | 1 | 0 | | |
substance p
[no description available] | 7.31 | 1 | 0 | peptide | neurokinin-1 receptor agonist;
neurotransmitter;
vasodilator agent |
cetaben
[no description available] | 1.97 | 1 | 0 | | |
oltipraz
oltipraz : A 1,2-dithiole that is 3H-1,2-dithiole-3-thione substituted at positions 4 and 5 by methyl and pyrazin-2-yl groups respectively. | 2.41 | 1 | 0 | 1,2-dithiole;
pyrazines | angiogenesis modulating agent;
antimutagen;
antineoplastic agent;
antioxidant;
EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor;
neurotoxin;
protective agent;
schistosomicide drug |
fomesafen
fomesafen: a protoporphyrinogen oxidase-inhibiting herbicide. fomesafen : An N-sulfonylcarboxamide that is N-(methylsulfonyl)benzamide in which the phenyl ring is substituted by a nitro group at position 2 and a 2-chloro-4-(trifluoromethyl)phenoxy group at position 5. A protoporphyrinogen oxidase inhibitor, it was specially developed for use (generally as the corresponding sodium salt, fomesafen-sodium) for post-emergence control of broad-leaf weeds in soya. | 2.35 | 2 | 0 | aromatic ether;
C-nitro compound;
monochlorobenzenes;
N-sulfonylcarboxamide;
organofluorine compound;
phenols | agrochemical;
EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor;
herbicide |
halofuginone
[no description available] | 3.14 | 1 | 0 | quinazolines | |
metaperiodate
Periodic Acid: A strong oxidizing agent. | 1.94 | 1 | 0 | iodine oxoacid | |
n-acetylpenicillamine
N-acetylpenicillamine: RN given refers to (DL)-isomer. N-acetyl-D-penicillamine : An N-acetyl-D-amino acid where the amino acid is D-penicillamine | 1.96 | 1 | 0 | N-acetyl-D-amino acid | |
azelnidipine
azelnidipine: structure given in first source | 2.08 | 1 | 0 | isopropyl ester | |
4-fluorobenzylamine
[no description available] | 2.15 | 1 | 0 | | |
1,7-phenanthroline
[no description available] | 2.35 | 2 | 0 | phenanthroline | |
fluorodeoxyglucose f18
Fluorodeoxyglucose F18: The compound is given by intravenous injection to do POSITRON-EMISSION TOMOGRAPHY for the assessment of cerebral and myocardial glucose metabolism in various physiological or pathological states including stroke and myocardial ischemia. It is also employed for the detection of malignant tumors including those of the brain, liver, and thyroid gland. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1162) | 2.11 | 1 | 0 | 2-deoxy-2-((18)F)fluoro-D-glucose;
2-deoxy-2-fluoro-aldehydo-D-glucose | |
glutaurine
glutaurine: recently deteccted hormone of parathyroid gland; structure; RN given refers to (L)-isomer. glutaurine : A dipeptide resulting from the formal condensation of the amino group of taurine with the gamma-carboxy group of L-glutamic acid. It was initially found in the parathyroid in 1980 and later in the brain of mammals. | 1.95 | 1 | 0 | dipeptide zwitterion;
dipeptide;
L-glutamine derivative;
sulfonic acid | anticonvulsant;
anxiolytic drug;
hormone;
human metabolite;
mammalian metabolite;
mouse metabolite |
tosyllysine chloromethyl ketone
Tosyllysine Chloromethyl Ketone: An inhibitor of SERINE ENDOPEPTIDASES. Acts as an alkylating agent and is known to interfere with the translation process. | 1.95 | 1 | 0 | sulfonic acid derivative | |
os-4742a(1)
vineomycin A1: from Streptomyces strain No. 1894; structure in second source | 1.98 | 1 | 0 | | |
4-pyridylmethylamine
4-pyridylmethylamine: structure given in first source | 2.15 | 1 | 0 | | |
rosiglitazone
[no description available] | 2.08 | 1 | 0 | aminopyridine;
thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor;
ferroptosis inhibitor;
insulin-sensitizing drug |
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 1.94 | 1 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic |
4-nitrophenyl beta-d-xyloside
4-nitrophenyl beta-D-xyloside : A xyloside that is beta-D-xylopyranose in which the anomeric hydroxy hydrogen is replaced by a 4-nitrophenyl group. | 2.38 | 2 | 0 | C-nitro compound;
xyloside | chromogenic compound |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 8.78 | 3 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
methylumbelliferyl-beta-d-xyloside
[no description available] | 1.96 | 1 | 0 | | |
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. | 2.4 | 2 | 0 | D-glucuronic acid | algal metabolite |
3,4-dehydroproline
3,4-dehydroproline: RN given refers to cpd without stereoisomeric designation | 2.36 | 2 | 0 | | |
p-methoxy-n-methylphenethylamine
p-Methoxy-N-methylphenethylamine: A potent mast cell degranulator. It is involved in histamine release.. N,O-dimethyltyramine : A secondary amino compound that is tyramine in which the hydrogen of the phenolic hydroxy group has been replaced by a methyl group. | 1.96 | 1 | 0 | aromatic ether;
secondary amino compound | metabolite |
arginyl-glycyl-aspartic acid
arginyl-glycyl-aspartic acid: amino acid sequence of basic unit of widespread cellular recognition system | 1.99 | 1 | 0 | oligopeptide | |
vitamin b 6
Vitamin B 6: VITAMIN B 6 refers to several PICOLINES (especially PYRIDOXINE; PYRIDOXAL; & PYRIDOXAMINE) that are efficiently converted by the body to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, and aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into PYRIDOXAMINE phosphate. Although pyridoxine and Vitamin B 6 are still frequently used as synonyms, especially by medical researchers, this practice is erroneous and sometimes misleading (EE Snell; Ann NY Acad Sci, vol 585 pg 1, 1990). Most of vitamin B6 is eventually degraded to PYRIDOXIC ACID and excreted in the urine. | 1.93 | 1 | 0 | | |
cyanates
Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 2.35 | 2 | 0 | | |
pyridinoline
pyridinoline: 3-hydroxypyridinium derivative collagen crosslink; structure | 3.1 | 5 | 0 | organonitrogen compound;
organooxygen compound | |
deoxypyridinoline
deoxypyridinoline: structure given in first source | 2.1 | 1 | 0 | | |
dityrosine
dityrosine: o,o'-biphenol analog of tyrosine; isolated from insoluble protein of human cataractous lenses; structure. dityrosine : A biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings. | 1.95 | 1 | 0 | biphenyls;
non-proteinogenic alpha-amino acid;
tyrosine derivative | biomarker |
glycyl-arginyl-glycyl-aspartyl-seryl-proline
glycyl-arginyl-glycyl-aspartyl-seryl-proline: can duplicate the binding activity of fibronectin vitronectin; RN given refers to ALL-L isomer | 1.99 | 1 | 0 | | |
delta-hydroxylysylnorleucine
delta-hydroxylysylnorleucine: RN given refers to cpd without isomeric designation | 3.07 | 5 | 0 | | |
gefitinib
[no description available] | 2.25 | 1 | 0 | aromatic ether;
monochlorobenzenes;
monofluorobenzenes;
morpholines;
quinazolines;
secondary amino compound;
tertiary amino compound | antineoplastic agent;
epidermal growth factor receptor antagonist |
5,5'-dihydroxylysylnorleucine
[no description available] | 3.07 | 5 | 0 | | |
2,6-dimethyl-4-(2'-nitrosophenyl)-3,5-pyridinedicarboxylic acid dimethyl ester
2,6-dimethyl-4-(2'-nitrosophenyl)-3,5-pyridinedicarboxylic acid dimethyl ester: structure given in first source | 2.17 | 1 | 0 | | |
olmesartan medoxomil
Olmesartan Medoxomil: An ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKER that is used to manage HYPERTENSION. | 2.01 | 1 | 0 | biphenyls | |
1,3,4,6-tetra-o-acetyl-2-azido-2-deoxyglucopyranose
1,3,4,6-tetra-O-acetyl-2-azido-2-deoxyglucopyranose: structure given in first source | 3.46 | 4 | 0 | | |
xylose
xylopyranose: structure in first source | 1.95 | 1 | 0 | D-xylose | |
proline
Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 8.73 | 39 | 1 | amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid | algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
lysinenorleucine
lysinenorleucine: RN given refers to (S)-isomer | 1.97 | 1 | 0 | | |
aminopterin
Aminopterin: A folic acid derivative used as a rodenticide that has been shown to be teratogenic. | 1.95 | 1 | 0 | dicarboxylic acid | EC 1.5.1.3 (dihydrofolate reductase) inhibitor;
mutagen |
angiotensin ii
Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | 4.81 | 27 | 0 | amino acid zwitterion;
angiotensin II | human metabolite |
erlotinib hydrochloride
[no description available] | 2.11 | 1 | 0 | hydrochloride;
terminal acetylenic compound | antineoplastic agent;
protein kinase inhibitor |
deoxycholic acid
Deoxycholic Acid: A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent.. deoxycholic acid : A bile acid that is 5beta-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 12 respectively. | 1.95 | 1 | 0 | bile acid;
C24-steroid;
dihydroxy-5beta-cholanic acid | human blood serum metabolite |
cortisone
[no description available] | 3.74 | 3 | 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 |
dihydropyridines
Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 2.08 | 1 | 0 | | |
glycogen
glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues. | 7.34 | 2 | 0 | | |
fibrin
Fibrin: A protein derived from FIBRINOGEN in the presence of THROMBIN, which forms part of the blood clot. | 1.97 | 1 | 0 | peptide | |
glucosamine
D-glucosamine : An amino sugar whose structure comprises D-glucose having an amino substituent at position 2.. 2-amino-2-deoxy-D-glucopyranose : A D-glucosamine whose structure comprises D-glucopyranose having an amino substituent at position 2. | 2.86 | 4 | 0 | D-glucosamine | Escherichia coli metabolite;
geroprotector;
mouse metabolite |
elastin
[no description available] | 8.18 | 76 | 0 | oligopeptide | |
puromycin
[no description available] | 3.44 | 2 | 0 | puromycins | antiinfective agent;
antimicrobial agent;
antineoplastic agent;
EC 3.4.11.14 (cytosol alanyl aminopeptidase) inhibitor;
EC 3.4.14.2 (dipeptidyl-peptidase II) inhibitor;
nucleoside antibiotic;
protein synthesis inhibitor |
tosylphenylalanyl chloromethyl ketone
Tosylphenylalanyl Chloromethyl Ketone: An inhibitor of Serine Endopeptidases. Acts as alkylating agent and is known to interfere with the translation process.. N-tosyl-L-phenylalanyl chloromethyl ketone : The N-tosyl derivative of L-phenylalanyl chloromethyl ketone. | 1.95 | 1 | 0 | alpha-chloroketone;
sulfonamide | alkylating agent;
serine proteinase inhibitor |
strychnine
Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.. strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. | 1.94 | 1 | 0 | monoterpenoid indole alkaloid;
organic heteroheptacyclic compound | avicide;
cholinergic antagonist;
glycine receptor antagonist;
neurotransmitter agent;
rodenticide |
phalloidine
Phalloidine: Very toxic polypeptide isolated mainly from AMANITA phalloides (Agaricaceae) or death cup; causes fatal liver, kidney and CNS damage in mushroom poisoning; used in the study of liver damage.. phalloidin : A homodetic bicyclic heptapeptide having a sulfide bridge. | 2.06 | 1 | 0 | homodetic cyclic peptide | |
genipin
[no description available] | 2.13 | 1 | 0 | iridoid monoterpenoid | anti-inflammatory agent;
antioxidant;
apoptosis inhibitor;
cross-linking reagent;
hepatotoxic agent;
uncoupling protein inhibitor |
acriflavine
Acriflavine: 3,6-Diamino-10-methylacridinium chloride mixt. with 3,6-acridinediamine. Fluorescent dye used as a local antiseptic and also as a biological stain. It intercalates into nucleic acids thereby inhibiting bacterial and viral replication. | 2.21 | 1 | 0 | | |
temocapril hydrochloride
temocapril hydrochloride: structure given in first source | 2.01 | 1 | 0 | dipeptide | |
resveratrol
trans-resveratrol : A resveratrol in which the double bond has E configuration. | 7.63 | 2 | 0 | resveratrol | antioxidant;
phytoalexin;
plant metabolite;
quorum sensing inhibitor;
radical scavenger |
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). | 3.75 | 3 | 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. | 3.07 | 1 | 0 | octadec-9-enoic acid | antioxidant;
Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite;
solvent |
diethylstilbestrol
Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed). diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. | 6.94 | 1 | 0 | olefinic compound;
polyphenol | antifungal agent;
antineoplastic agent;
autophagy inducer;
calcium channel blocker;
carcinogenic agent;
EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
endocrine disruptor;
xenoestrogen |
iridoids
Iridoids: A type of MONOTERPENES, derived from geraniol. They have the general form of cyclopentanopyran, but in some cases, one of the rings is broken as in the case of secoiridoid. They are different from the similarly named iridals (TRITERPENES). | 2.13 | 1 | 0 | | |
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) | 3.75 | 3 | 0 | actinomycin | mutagen |
azaserine
Azaserine: Antibiotic substance produced by various Streptomyces species. It is an inhibitor of enzymatic activities that involve glutamine and is used as an antineoplastic and immunosuppressive agent.. azaserine : A carboxylic ester resulting from the formal condensation of the carboxy group of diazoacetic acid with the alcoholic hydroxy group of L-serine. An antibiotic produced by a Streptomyces species. | 1.95 | 1 | 0 | carboxylic ester;
diazo compound;
L-serine derivative;
non-proteinogenic L-alpha-amino acid | antifungal agent;
antimetabolite;
antimicrobial agent;
antineoplastic agent;
glutamine antagonist;
immunosuppressive agent;
metabolite |
5-ethynyl-2'-deoxyuridine
5-ethynyl-2'-deoxyuridine: structure in first source | 2.25 | 1 | 0 | | |
riboflavin
vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 3.06 | 1 | 0 | flavin;
vitamin B2 | anti-inflammatory agent;
antioxidant;
cofactor;
Escherichia coli metabolite;
food colouring;
fundamental metabolite;
human urinary metabolite;
mouse metabolite;
photosensitizing agent;
plant metabolite |
bromochloroacetic acid
Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process. | 2.43 | 2 | 0 | 2-bromocarboxylic acid;
monocarboxylic acid;
organochlorine compound | |
glycosides
[no description available] | 3.22 | 6 | 0 | | |
crotononitrile
crotononitrile: RN given refers to cpd without isomeric designation | 3.16 | 1 | 0 | nitrile | |
retinaldehyde
Retinaldehyde: A diterpene derived from the carotenoid VITAMIN A which functions as the active component of the visual cycle. It is the prosthetic group of RHODOPSIN (i.e., covalently bonded to ROD OPSIN as 11-cis-retinal). When stimulated by visible light, rhodopsin transforms this cis-isomer of retinal to the trans-isomer (11-trans-retinal). This transformation straightens-out the bend of the retinal molecule and causes a change in the shape of rhodopsin triggering the visual process. A series of energy-requiring enzyme-catalyzed reactions convert the 11-trans-retinal back to the cis-isomer.. all-trans-retinal : A retinal in which all four exocyclic double bonds have E- (trans-) geometry. | 2.97 | 1 | 0 | retinal;
vitamin A | gap junctional intercellular communication inhibitor;
human metabolite;
mouse metabolite |
phenyl-n-tert-butylnitrone
phenyl-N-tert-butylnitrone: a spin-trapping agent | 2.05 | 1 | 0 | | |
pyrophosphate
Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 1.95 | 1 | 0 | diphosphate ion | |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2 | 1 | 0 | caffeic acid | geroprotector;
mouse metabolite |
tosylarginine methyl ester
Tosylarginine Methyl Ester: Arginine derivative which is a substrate for many proteolytic enzymes. As a substrate for the esterase from the first component of complement, it inhibits the action of C(l) on C(4). | 1.95 | 1 | 0 | guanidines;
L-arginine ester;
methyl ester;
sulfonamide | |
chlorogenic acid
caffeoylquinic acid: Antiviral Agent; structure in first source. chlorogenate : A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3. | 2 | 1 | 0 | cinnamate ester;
tannin | food component;
plant metabolite |
thiosemicarbazide
thiosemicarbazide: glutamate decarboxylase antagonist; structure given in first source. hydrazinecarbothioamide : A member of the class of thioureas that is thiourea in which a hydrogen of one of the amino groups is replaced by an amino group. | 2.67 | 3 | 0 | hydrazines;
thiocarboxamide;
thioureas | |
ferric ferrocyanide
ferric ferrocyanide: antidote to thallium poisoning; RN given refers to Fe(+3)[3:4] salt; structure | 1.96 | 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. | 3.04 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
environmental contaminant;
intravenous anaesthetic;
sedative;
xenobiotic |
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. | 1.99 | 1 | 0 | alkali metal atom | |
nitrogen dioxide
Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface. | 2.38 | 2 | 0 | nitrogen oxide | |
dermatan sulfate
Dermatan Sulfate: A naturally occurring glycosaminoglycan found mostly in the skin and in connective tissue. It differs from CHONDROITIN SULFATE A (see CHONDROITIN SULFATES) by containing IDURONIC ACID in place of glucuronic acid, its epimer, at carbon atom 5. (from Merck, 12th ed). alpha-L-IdopA-(1->3)-beta-D-GalpNAc4S : An oligosaccharide sulfate that is 2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose in which the hydroxy group at position 3 has been converted to the corresponding alpha-L-idopyranuronoside.. dermatan sulfate : Any of a group of glycosaminoglycans with repeating units consisting of variously sulfated beta1->4-linked L-iduronyl-(alpha1->3)-N-acetyl-D-galactosamine units. | 2.37 | 2 | 0 | amino disaccharide;
glycosylgalactose derivative;
iduronic acids;
oligosaccharide sulfate | |
hydroxylysine
Hydroxylysine: A hydroxylated derivative of the amino acid LYSINE that is present in certain collagens.. hydroxylysine : A hydroxy-amino acid in which the amino acid specified is lysine. A "closed" class.. erythro-5-hydroxy-L-lysine : A 5-hydroxylysine consisting of L-lysine having an (R)-hydroxy group at the 5-position.. 5-hydroxylysine : A hydroxylysine that is lysine substituted by a hydroxy group at position 5. | 5.07 | 8 | 0 | 5-hydroxylysine;
hydroxy-L-lysine | human metabolite |
cystine
[no description available] | 6.94 | 1 | 0 | | |
tresperimus
[no description available] | 2.01 | 1 | 0 | | |
3-(2,4-dichloro-5-methoxyphenyl)-2-sulfanyl-4(3h)-quinazolinone
3-(2,4-dichloro-5-methoxyphenyl)-2-sulfanyl-4(3H)-quinazolinone: a mitochondrial division inhibitor | 2.31 | 1 | 0 | | |
alpha-chymotrypsin
Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 2.66 | 3 | 0 | | |
quercetin
[no description available] | 2.25 | 1 | 0 | 7-hydroxyflavonol;
pentahydroxyflavone | antibacterial agent;
antineoplastic agent;
antioxidant;
Aurora kinase inhibitor;
chelator;
EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor;
geroprotector;
phytoestrogen;
plant metabolite;
protein kinase inhibitor;
radical scavenger |
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. | 2.1 | 1 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
linoleic acid
Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 3.07 | 1 | 0 | octadecadienoic acid;
omega-6 fatty acid | algal metabolite;
Daphnia galeata metabolite;
plant metabolite |
vitamin k semiquinone radical
vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 3.06 | 1 | 0 | | |
hymecromone
Hymecromone: A coumarin derivative possessing properties as a spasmolytic, choleretic and light-protective agent. It is also used in ANALYTICAL CHEMISTRY TECHNIQUES for the determination of NITRIC ACID. | 2.36 | 2 | 0 | hydroxycoumarin | antineoplastic agent;
hyaluronic acid synthesis inhibitor |
rutin
Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 1.96 | 1 | 0 | disaccharide derivative;
quercetin O-glucoside;
rutinoside;
tetrahydroxyflavone | antioxidant;
metabolite |
etretinate
retinoid : Oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene and derivatives thereof. | 1.99 | 1 | 0 | enoate ester;
ethyl ester;
retinoid | keratolytic drug |
cyproterone
Cyproterone: An anti-androgen that, in the form of its acetate (CYPROTERONE ACETATE), also has progestational properties. It is used in the treatment of hypersexuality in males, as a palliative in prostatic carcinoma, and, in combination with estrogen, for the therapy of severe acne and hirsutism in females. | 3.04 | 1 | 0 | 17alpha-hydroxy steroid;
20-oxo steroid;
3-oxo-Delta(4) steroid;
chlorinated steroid;
tertiary alpha-hydroxy ketone | androgen antagonist |
sirolimus
Sirolimus: A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.. sirolimus : A macrolide lactam isolated from Streptomyces hygroscopicus consisting of a 29-membered ring containing 4 trans double bonds, three of which are conjugated. It is an antibiotic, immunosupressive and antineoplastic agent. | 2.96 | 3 | 0 | antibiotic antifungal drug;
cyclic acetal;
cyclic ketone;
ether;
macrolide lactam;
organic heterotricyclic compound;
secondary alcohol | antibacterial drug;
anticoronaviral agent;
antineoplastic agent;
bacterial metabolite;
geroprotector;
immunosuppressive agent;
mTOR inhibitor |
lysophosphatidylcholines
lysophosphatidylcholine : An acylglycerophosphocholine resulting from partial hydrolysis of a phosphatidylcholine, which removes one of the fatty acyl groups. The structure is depicted in the image where R1 = acyl, R2 = H or where R1 = H, R2 = acyl. | 1.95 | 1 | 0 | 1-O-acyl-sn-glycero-3-phosphocholine | |
sulfur
Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 1.94 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
fumarates
Fumarates: Compounds based on fumaric acid.. fumarate(2-) : A C4-dicarboxylate that is the E-isomer of but-2-enedioate(2-) | 3.73 | 11 | 0 | butenedioate;
C4-dicarboxylate | human metabolite;
metabolite;
Saccharomyces cerevisiae metabolite |
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.37 | 2 | 0 | cysteinium | fundamental metabolite |
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. | 1.95 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
oxalates
Oxalates: Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure. | 1.96 | 1 | 0 | | |
beta-aminopropionitrile fumarate
beta-aminopropionitrile fumarate: RN given refers to unspecified fumarate | 11.05 | 38 | 0 | | |
involucrin
involucrin: soluble precursor protein of cross-linked envelope characteristic of epidermal s. corneum synthesized by keratinocytes in natural & cultured human epithelia; see also related records for prekeratin & stratum corneum basic protein precursor | 2.47 | 2 | 0 | | |
panobinostat
Panobinostat: An indole and hydroxamic acid derivative that acts as a HISTONE DEACETYLASE inhibitor. It is used as an antineoplastic agent in combination with BORTEZOMIB and DEXAMETHASONE for the treatment of MULTIPLE MYELOMA.. panobinostat : A hydroxamic acid obtained by formal condensation of the carboxy group of (2E)-3-[4-({[2-(2-methylindol-3-yl)ethyl]amino}methyl)phenyl]prop-2-enoic acid with the amino group of hydroxylamine. A histone deacetylase inhibitor used (as its lactate salt) in combination with bortezomib and dexamethasone for the treatment of multiple myeloma. | 2.31 | 1 | 0 | cinnamamides;
hydroxamic acid;
methylindole;
secondary amino compound | angiogenesis modulating agent;
antineoplastic agent;
EC 3.5.1.98 (histone deacetylase) inhibitor |
staurosporine
staurosporinium : Conjugate acid of staurosporine. | 2.21 | 1 | 0 | ammonium ion derivative | |
calcimycin
Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. | 2.03 | 1 | 0 | benzoxazole | |
sepharose
agarose : A linear polysaccharide made up from alternating D-galactose and 3,6-anhydro-alpha-L-galactopyranose residues joined by alpha-(1->3)- and beta-(1->4)-linkages. | 1.98 | 1 | 0 | | |
pituitrin
Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 2.64 | 3 | 0 | | |
acid phosphatase
Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 3.05 | 5 | 0 | | |
desmosine
Desmosine: A rare amino acid found in elastin, formed by condensation of four molecules of lysine into a pyridinium ring. | 9.45 | 7 | 0 | aromatic amino acid | |
angiotensinogen
Angiotensinogen: An alpha-globulin of about 453 amino acids, depending on the species. It is produced by the liver in response to lowered blood pressure and secreted into blood circulation. Angiotensinogen is the inactive precursor of the ANGIOTENSINS produced in the body by successive enzyme cleavages. Cleavage of angiotensinogen by RENIN yields the decapeptide ANGIOTENSIN I. Further cleavage of angiotensin I (by ANGIOTENSIN CONVERTING ENZYME) yields the potent vasoconstrictor octapeptide ANGIOTENSIN II; and then, via other enzymes, other angiotensins also involved in the hemodynamic-regulating RENIN-ANGIOTENSIN SYSTEM. | 2.41 | 1 | 0 | | |
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.36 | 2 | 0 | glycoside | |
endothelin-1
Endothelin-1: A 21-amino acid peptide produced in a variety of tissues including endothelial and vascular smooth-muscle cells, neurons and astrocytes in the central nervous system, and endometrial cells. It acts as a modulator of vasomotor tone, cell proliferation, and hormone production. (N Eng J Med 1995;333(6):356-63) | 2.07 | 1 | 0 | | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 1.95 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
sodium salicylate
[no description available] | 2.34 | 2 | 0 | organic molecular entity | |
sodium iodate
sodium iodate: RN given refers to iodic acid, Na salt | 2 | 1 | 0 | organic molecular entity | |
glycolipids
[no description available] | 1.95 | 1 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 3.14 | 1 | 0 | | |
interleukin-8
Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 2.11 | 1 | 0 | | |
methylcellulose
Methylcellulose: Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetics, pharmaceutics and the chemical industry. It is used therapeutically as a bulk laxative. | 2.34 | 2 | 0 | | |
chondroitin
Chondroitin: A mucopolysaccharide constituent of chondrin. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.35 | 2 | 0 | | |
heparitin sulfate
Heparitin Sulfate: A heteropolysaccharide that is similar in structure to HEPARIN. It accumulates in individuals with MUCOPOLYSACCHARIDOSIS. | 1.96 | 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. | 5.07 | 14 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
tetracycline
Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 2.36 | 2 | 0 | | |
salicylates
Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 1.94 | 1 | 0 | monohydroxybenzoate | plant metabolite |
epidermal growth factor
Epidermal Growth Factor: A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. Epidermal growth factor exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and EPITHELIAL CELLS. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form. | 2.15 | 1 | 0 | | |
kaolinite
Kaolin: The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: high ridge), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed). kaolin : An aluminosilicate soft white mineral named after the hill in China (Kao-ling) from which it was mined for centuries. In its natural state kaolin is a white, soft powder consisting principally of the mineral kaolinite, and varying amounts of other minerals such as muscovite, quartz, feldspar, and anatase. It is used in the manufacture of china and porcelain and also widely used in the production of paper, rubber, paint, drying agents, and many other products. | 1.96 | 1 | 0 | aluminosilicate mineral;
mixture | antidiarrhoeal drug;
excipient |
transforming growth factor beta
Transforming Growth Factor beta: A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducing phenotypic transformation and can also act as a negative autocrine growth factor. TGF-beta has a potential role in embryonal development, cellular differentiation, hormone secretion, and immune function. TGF-beta is found mostly as homodimer forms of separate gene products TGF-beta1, TGF-beta2 or TGF-beta3. Heterodimers composed of TGF-beta1 and 2 (TGF-beta1.2) or of TGF-beta2 and 3 (TGF-beta2.3) have been isolated. The TGF-beta proteins are synthesized as precursor proteins. | 4.21 | 6 | 0 | | |
lysine tyrosylquinone
lysine tyrosylquinone: structure given in first source. 5'-(N(6)-L-lysine)-L-tyrosylquinone : An L-lysine derivative in which one of the amino hydrogens at N(6)-amino is substituted by a 6-[(2S)-2-amino-2-carboxyethyl]-3,4-dioxocyclohexa-1,5-dien-1-yl group. | 2.41 | 2 | 0 | 1,2-benzoquinones;
L-lysine derivative;
L-tyrosine derivative;
non-proteinogenic L-alpha-amino acid | |
caseins
Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. | 2.37 | 2 | 0 | | |
hyaluronoglucosaminidase
Hyaluronoglucosaminidase: An enzyme that catalyzes the random hydrolysis of 1,4-linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate. (From Enzyme Nomenclature, 1992) There has been use as ANTINEOPLASTIC AGENTS to limit NEOPLASM METASTASIS. | 2.36 | 2 | 0 | | |
vitamin b 12
Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 1.94 | 1 | 0 | | |
chondroitin sulfates
Chondroitin Sulfates: Derivatives of chondroitin which have a sulfate moiety esterified to the galactosamine moiety of chondroitin. Chondroitin sulfate A, or chondroitin 4-sulfate, and chondroitin sulfate C, or chondroitin 6-sulfate, have the sulfate esterified in the 4- and 6-positions, respectively. Chondroitin sulfate B (beta heparin; DERMATAN SULFATE) is a misnomer and this compound is not a true chondroitin sulfate. | 2.65 | 3 | 0 | | |
allopurinol
Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 2.6 | 1 | 0 | nucleobase analogue;
organic heterobicyclic compound | antimetabolite;
EC 1.17.3.2 (xanthine oxidase) inhibitor;
gout suppressant;
radical scavenger |
eye
[no description available] | 3.48 | 2 | 0 | | |
phosphorus radioisotopes
Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 2.35 | 2 | 0 | | |
leptin
Leptin: A 16-kDa peptide hormone secreted from WHITE ADIPOCYTES. Leptin serves as a feedback signal from fat cells to the CENTRAL NERVOUS SYSTEM in regulation of food intake, energy balance, and fat storage. | 7.13 | 1 | 0 | | |