| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
gamma-aminobutyric acid
gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 3.09 | 5 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
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. | 1.99 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.08 | 1 | 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 |
citric acid, anhydrous
Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 1.99 | 1 | 0 | tricarboxylic acid | antimicrobial agent;
chelator;
food acidity regulator;
fundamental metabolite |
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. | 1.99 | 1 | 0 | chlorine molecular entity;
gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
salicylic acid
Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 2.41 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite |
4-nitrophenylphosphate
nitrophenylphosphate: RN given refers to mono(4-nitrophenyl) ester of phosphoric acid. 4-nitrophenyl phosphate : An aryl phosphate resulting from the mono-esterification of phosphoric acid with 4-nitrophenol. | 1.98 | 1 | 0 | aryl phosphate | mouse metabolite |
creatine
[no description available] | 2.07 | 1 | 0 | glycine derivative;
guanidines;
zwitterion | geroprotector;
human metabolite;
mouse metabolite;
neuroprotective agent;
nutraceutical |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 5.19 | 15 | 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] | 1.99 | 1 | 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 |
histamine
[no description available] | 2.05 | 1 | 0 | aralkylamino compound;
imidazoles | human metabolite;
mouse metabolite;
neurotransmitter |
hydroquinone
[no description available] | 2.01 | 1 | 0 | benzenediol;
hydroquinones | antioxidant;
carcinogenic agent;
cofactor;
Escherichia coli metabolite;
human xenobiotic metabolite;
mouse metabolite;
skin lightening agent |
inositol
Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.. inositol : Any cyclohexane-1,2,3,4,5,6-hexol.. 1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.. muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration. | 2 | 1 | 0 | cyclitol;
hexol | |
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 | 1 | 0 | aminobenzoic acid;
aromatic amino-acid zwitterion | allergen;
Escherichia coli metabolite;
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. | 2.21 | 1 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | human metabolite |
spermine
[no description available] | 2.03 | 1 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.08 | 1 | 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 |
1-anilino-8-naphthalenesulfonate
1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.41 | 2 | 0 | aminonaphthalene;
naphthalenesulfonic acid | fluorescent probe |
2,4-dinitrophenol
2,4-Dinitrophenol: A toxic dye, chemically related to trinitrophenol (picric acid), used in biochemical studies of oxidative processes where it uncouples oxidative phosphorylation. It is also used as a metabolic stimulant. (Stedman, 26th ed). dinitrophenol : Members of the class of nitrophenol carrying two nitro substituents.. 2,4-dinitrophenol : A dinitrophenol having the nitro groups at the 2- and 4-positions. | 2.69 | 3 | 0 | dinitrophenol | allergen;
antiseptic drug;
bacterial xenobiotic metabolite;
geroprotector;
oxidative phosphorylation inhibitor |
mercaptoethanol
Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation. | 1.99 | 1 | 0 | alkanethiol;
primary alcohol | geroprotector |
theophylline
[no description available] | 2 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
aurintricarboxylic acid
Aurintricarboxylic Acid: A dye which inhibits protein biosynthesis at the initial stages. The ammonium salt (aluminon) is a reagent for the colorimetric estimation of aluminum in water, foods, and tissues.. aurintricarboxylic acid : A member of the class of quinomethanes that is 3-methylidene-6-oxocyclohexa-1,4-diene-1-carboxylic acid in which the methylidene hydrogens are replaced by 4-carboxy-3-hydroxyphenyl groups. The trisodium salt is the biological stain 'chrome violet CG' while the triammonium salt is 'aluminon'. | 2.01 | 1 | 0 | monohydroxybenzoic acid;
quinomethanes;
tricarboxylic acid | fluorochrome;
histological dye;
insulin-like growth factor receptor 1 antagonist |
beta-naphthoflavone
beta-Naphthoflavone: A polyaromatic hydrocarbon inducer of P4501A1 and P4501A2 cytochromes. (Proc Soc Exp Biol Med 1994 Dec:207(3):302-308). beta-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. | 2.02 | 1 | 0 | extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
bisbenzimidazole
Bisbenzimidazole: A benzimidazole antifilarial agent; it is fluorescent when it binds to certain nucleotides in DNA, thus providing a tool for the study of DNA replication; it also interferes with mitosis. | 1.98 | 1 | 0 | bibenzimidazole;
N-methylpiperazine | anthelminthic drug;
fluorochrome |
cetyltrimethylammonium ion
Cetrimonium: Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics.. cetyltrimethylammonium ion : A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups. | 2.03 | 1 | 0 | quaternary ammonium ion | |
clofibrate
angiokapsul: contains clofibrate & insoitolnicotinate | 2 | 1 | 0 | aromatic ether;
ethyl ester;
monochlorobenzenes | anticholesteremic drug;
antilipemic drug;
geroprotector;
PPARalpha agonist |
dapi
DAPI: RN given refers to parent cpd. | 2.42 | 2 | 0 | indoles | fluorochrome |
diethyl pyrocarbonate
Diethyl Pyrocarbonate: Preservative for wines, soft drinks, and fruit juices and a gentle esterifying agent.. diethyl pyrocarbonate : The diethyl ester of dicarbonic acid. | 1.98 | 1 | 0 | acyclic carboxylic anhydride | |
erythrosine
Fluoresceins: A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays. | 5.26 | 20 | 0 | | |
foscarnet
Foscarnet: An antiviral agent used in the treatment of cytomegalovirus retinitis. Foscarnet also shows activity against human herpesviruses and HIV.. phosphonoformic acid : Phosphoric acid in which one of the hydroxy groups is replaced by a carboxylic acid group. It is used as the trisodium salt as an antiviral agent in the treatment of cytomegalovirus retinitis (CMV retinitis, an inflamation of the retina that can lead to blindness) and as an alternative to ganciclovir for AIDS patients who require concurrent antiretroviral therapy but are unable to tolerate ganciclovir due to haematological toxicity. | 2.03 | 1 | 0 | carboxylic acid;
one-carbon compound;
phosphonic acids | antiviral drug;
geroprotector;
HIV-1 reverse transcriptase inhibitor;
sodium-dependent Pi-transporter inhibitor |
furafylline
[no description available] | 2 | 1 | 0 | oxopurine | |
gentamicin
Gentamicins: A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS. | 1.99 | 1 | 0 | | |
haloperidol
Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 2.38 | 2 | 0 | aromatic ketone;
hydroxypiperidine;
monochlorobenzenes;
organofluorine compound;
tertiary alcohol | antidyskinesia agent;
antiemetic;
dopaminergic antagonist;
first generation antipsychotic;
serotonergic antagonist |
ethidium
Ethidium: A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.. ethidium : The fluorescent compound widely used in experimental cell biology and biochemistry to reveal double-stranded DNA and RNA. | 2.39 | 2 | 0 | phenanthridines | fluorochrome;
intercalator |
imipramine
Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 1.99 | 1 | 0 | dibenzoazepine | adrenergic uptake inhibitor;
antidepressant;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
2-propanol
2-Propanol: An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.. propan-2-ol : A secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. | 1.99 | 1 | 0 | secondary alcohol;
secondary fatty alcohol | protic solvent |
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. | 7.43 | 2 | 0 | catechols;
secondary alcohol;
secondary amino compound | beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent |
isradipine
Isradipine: A potent antagonist of CALCIUM CHANNELS that is highly selective for VASCULAR SMOOTH MUSCLE. It is effective in the treatment of chronic stable angina pectoris, hypertension, and congestive cardiac failure. | 1.99 | 1 | 0 | benzoxadiazole;
dihydropyridine;
isopropyl ester;
methyl ester | |
ketoconazole
1-acetyl-4-(4-{[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy}phenyl)piperazine : A dioxolane that is 1,3-dioxolane which is substituted at positions 2, 2, and 4 by imidazol-1-ylmethyl, 2,4-dichlorophenyl, and [para-(4-acetylpiperazin-1-yl)phenoxy]methyl groups, respectively. | 2 | 1 | 0 | dichlorobenzene;
dioxolane;
ether;
imidazoles;
N-acylpiperazine;
N-arylpiperazine | |
nocodazole
[no description available] | 2.07 | 1 | 0 | aromatic ketone;
benzimidazoles;
carbamate ester;
thiophenes | antimitotic;
antineoplastic agent;
microtubule-destabilising agent;
tubulin modulator |
entinostat
[no description available] | 2.1 | 1 | 0 | benzamides;
carbamate ester;
primary amino compound;
pyridines;
substituted aniline | antineoplastic agent;
apoptosis inducer;
EC 3.5.1.98 (histone deacetylase) inhibitor |
activins
Activins: Activins are produced in the pituitary, gonads, and other tissues. By acting locally, they stimulate pituitary FSH secretion and have diverse effects on cell differentiation and embryonic development. Activins are glycoproteins that are hetero- or homodimers of INHIBIN-BETA SUBUNITS. | 1.99 | 1 | 0 | | |
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. | 1.95 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
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. | 2 | 1 | 0 | aminobenzoate;
aromatic amino-acid anion | Escherichia coli metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
probenecid
Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 1.97 | 1 | 0 | benzoic acids;
sulfonamide | uricosuric drug |
propidium
Propidium: Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits. | 2.41 | 2 | 0 | phenanthridines;
quaternary ammonium ion | fluorochrome;
intercalator |
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. | 1.97 | 1 | 0 | benzenediol;
phenolic donor;
resorcinols | erythropoietin inhibitor;
sensitiser |
tyramine
[no description available] | 4.04 | 4 | 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. | 2.31 | 1 | 0 | mitomycin | alkylating agent;
antineoplastic agent |
corticosterone
[no description available] | 2.4 | 2 | 0 | 11beta-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
prednisolone
Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 1.99 | 1 | 0 | 11beta-hydroxy steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(1),Delta(4)-steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | adrenergic agent;
anti-inflammatory drug;
antineoplastic agent;
drug metabolite;
environmental contaminant;
immunosuppressive agent;
xenobiotic |
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. | 6.93 | 1 | 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] | 6.99 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse 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. | 7.38 | 2 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
spironolactone
Spironolactone: A potassium sparing diuretic that acts by antagonism of aldosterone in the distal renal tubules. It is used mainly in the treatment of refractory edema in patients with congestive heart failure, nephrotic syndrome, or hepatic cirrhosis. Its effects on the endocrine system are utilized in the treatments of hirsutism and acne but they can lead to adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p827). spironolactone : A steroid lactone that is 17alpha-pregn-4-ene-21,17-carbolactone substituted by an oxo group at position 3 and an alpha-acetylsulfanyl group at position 7. | 3.75 | 3 | 0 | 3-oxo-Delta(4) steroid;
oxaspiro compound;
steroid lactone;
thioester | aldosterone antagonist;
antihypertensive agent;
diuretic;
environmental contaminant;
xenobiotic |
prednisolone acetate
prednisolone acetate: RN given refers to cpd with locant for acetate group in position 21 & (11 beta)-isomer | 2.01 | 1 | 0 | corticosteroid hormone | |
aldosterone
[no description available] | 2.4 | 2 | 0 | 11beta-hydroxy steroid;
18-oxo steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid hormone;
mineralocorticoid;
primary alpha-hydroxy ketone;
steroid aldehyde | human metabolite;
mouse metabolite |
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. | 2.4 | 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. | 1.96 | 1 | 0 | 17-oxo steroid;
3-hydroxy steroid;
phenolic steroid;
phenols | antineoplastic agent;
bone density conservation agent;
estrogen;
human metabolite;
mouse metabolite |
androsterone
[no description available] | 2.01 | 1 | 0 | 17-oxo steroid;
3alpha-hydroxy steroid;
androstanoid;
C19-steroid | androgen;
anticonvulsant;
human blood serum metabolite;
human metabolite;
human urinary metabolite;
mouse metabolite;
pheromone |
dehydroepiandrosterone
Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 2.01 | 1 | 0 | 17-oxo steroid;
3beta-hydroxy-Delta(5)-steroid;
androstanoid | androgen;
human metabolite;
mouse metabolite |
2-acetylaminofluorene
2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 3.49 | 2 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
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. | 2.38 | 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. | 1.94 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.42 | 2 | 0 | L-alpha-amino acid;
proteinogenic amino acid;
serine family amino acid;
serine zwitterion;
serine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
aspartic acid
Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 1.99 | 1 | 0 | aspartate family amino acid;
aspartic acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
mouse metabolite;
neurotransmitter |
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. | 2.39 | 2 | 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 |
ethinyl estradiol
Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.. 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. | 2 | 1 | 0 | 17-hydroxy steroid;
3-hydroxy steroid;
terminal acetylenic compound | xenoestrogen |
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. | 4.01 | 4 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite;
antineoplastic agent |
galactose
galactopyranose : The pyranose form of galactose. | 1.98 | 1 | 0 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
edetic acid
Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 2.9 | 4 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
p-dimethylaminoazobenzene
p-Dimethylaminoazobenzene: A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound may reasonably be anticipated to be a carcinogen. (Merck, 11th ed) | 1.99 | 1 | 0 | azobenzenes | |
adenosine monophosphate
Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.03 | 1 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist;
cofactor;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
EC 3.1.3.11 (fructose-bisphosphatase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
methylene blue
Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 1.98 | 1 | 0 | organic chloride salt | acid-base indicator;
antidepressant;
antimalarial;
antimicrobial agent;
antioxidant;
cardioprotective agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 4.6.1.2 (guanylate cyclase) inhibitor;
fluorochrome;
histological dye;
neuroprotective agent;
physical tracer |
uridine triphosphate
Uridine Triphosphate: Uridine 5'-(tetrahydrogen triphosphate). A uracil nucleotide containing three phosphate groups esterified to the sugar moiety. | 4.2 | 17 | 0 | pyrimidine ribonucleoside 5'-triphosphate;
uridine 5'-phosphate | Escherichia coli metabolite;
mouse metabolite |
strophanthidin
Strophanthidin: 3 beta,5,14-Trihydroxy-19-oxo-5 beta-card-20(22)-enolide. The aglycone cardioactive agent isolated from Strophanthus Kombe, S. gratus and other species; it is a very toxic material formerly used as digitalis. Synonyms: Apocymarin; Corchorin; Cynotoxin; Corchorgenin. | 7.91 | 4 | 0 | 14beta-hydroxy steroid;
19-oxo steroid;
3beta-hydroxy steroid;
5beta-hydroxy steroid;
cardenolides;
steroid aldehyde | |
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. | 1.98 | 1 | 0 | antibiotic fungicide;
cyclic ketone;
dicarboximide;
piperidine antibiotic;
piperidones;
secondary alcohol | anticoronaviral agent;
bacterial metabolite;
ferroptosis inhibitor;
neuroprotective agent;
protein synthesis inhibitor |
ficusin
Ficusin: A naturally occurring furocoumarin, found in PSORALEA. After photoactivation with UV radiation, it binds DNA via single and double-stranded cross-linking.. psoralen : The simplest member of the class of psoralens that is 7H-furo[3,2-g]chromene having a keto group at position 7. It has been found in plants like Psoralea corylifolia and Ficus salicifolia. | 2.31 | 1 | 0 | psoralens | plant metabolite |
chloroform
Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 1.94 | 1 | 0 | chloromethanes;
one-carbon compound | carcinogenic agent;
central nervous system drug;
inhalation anaesthetic;
non-polar solvent;
refrigerant |
tubercidin
Tubercidin: An antibiotic purine ribonucleoside that readily substitutes for adenosine in the biological system, but its incorporation into DNA and RNA has an inhibitory effect on the metabolism of these nucleic acids.. tubercidin : An N-glycosylpyrrolopyrimidine that is adenosine in which the in the 5-membered ring that is not attached to the ribose moiety is replaced by a carbon. Tubercidin is produced in the culture broth of Streptomyces tubericidus. | 2 | 1 | 0 | antibiotic antifungal agent;
N-glycosylpyrrolopyrimidine;
ribonucleoside | antimetabolite;
antineoplastic agent;
bacterial metabolite |
ampicillin
Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.. ampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | 2.91 | 4 | 0 | beta-lactam antibiotic;
penicillin allergen;
penicillin | antibacterial drug |
ornithine
Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 2.08 | 1 | 0 | non-proteinogenic L-alpha-amino acid;
ornithine | algal metabolite;
hepatoprotective agent;
mouse metabolite |
sulfobromophthalein sodium
bromosulfophthalein sodium : An organic sodium salt that is the disodium salt of bromosulfophthalein.. bromosulfophthalein : An organosulfonic acid that consists of phthalide bearing four bromo substituents at positions 4, 5, 6 and 7 as well as two 4-hydroxy-3-sulfophenyl groups both located at position 1. | 1.99 | 1 | 0 | organic sodium salt | dye |
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. | 1.99 | 1 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
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. | 2.39 | 2 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
3-mercaptopropionic acid
3-Mercaptopropionic Acid: An inhibitor of glutamate decarboxylase. It decreases the GAMMA-AMINOBUTYRIC ACID concentration in the brain, thereby causing convulsions.. 3-mercaptopropanoic acid : A mercaptopropanoic acid that is propanoic acid carrying a sulfanyl group at position 3. | 1.98 | 1 | 0 | mercaptopropanoic acid | algal metabolite |
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. | 2.41 | 1 | 0 | alkadiene;
hemiterpene;
volatile organic compound | plant metabolite |
bisphenol a
4,4'-isopropylidene diphenol: stimulates proliferative responses and cytokine productions of murine spleen cells and thymus cells in vitro. bisphenol : By usage, the methylenediphenols, HOC6H4CH2C6H4OH, commonly p,p-methylenediphenol, and their substitution products (generally derived from condensation of two equivalent amounts of a phenol with an aldehyde or ketone). The term also includes analogues in the the methylene (or substituted methylene) group has been replaced by a heteroatom.. bisphenol A : A bisphenol that is 4,4'-methanediyldiphenol in which the methylene hydrogens are replaced by two methyl groups. | 2 | 1 | 0 | bisphenol | endocrine disruptor;
environmental contaminant;
xenobiotic;
xenoestrogen |
taurocholic acid
Taurocholic Acid: The product of conjugation of cholic acid with taurine. Its sodium salt is the chief ingredient of the bile of carnivorous animals. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as a cholagogue and cholerectic.. taurocholate : An organosulfonate oxoanion that is the conjugate base of taurocholic acid.. taurocholic acid : A bile acid taurine conjugate of cholic acid that usually occurs as the sodium salt of bile in mammals. | 1.99 | 1 | 0 | amino sulfonic acid;
bile acid taurine conjugate | human metabolite |
3,3'-diaminobenzidine
3,3'-Diaminobenzidine: A chemically and thermodynamically stable derivative of BENZIDINE.. 3,3'-diaminobenzidine : A member of the class of biphenyls that is benzidine in which one of the hydrogens ortho to each of the amino groups has been replaced by an amino group. | 2.42 | 2 | 0 | biphenyls;
substituted aniline | histological dye |
4-phenylphenol
4-phenylphenol: RN given refers to cpd without isomeric designation. biphenyl-4-ol : A member of the class of hydroxybiphenyls that is biphenyl carrying a hydroxy group at position 4. | 1.98 | 1 | 0 | hydroxybiphenyls | |
xanthenes
Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.68 | 3 | 0 | xanthene | |
benzotriazole
benzotriazole: inhibitor of atmospheric metal corrosion; also component of motion picture film & Neva brake fluid. benzotriazole : The simplest member of the class of benzotriazoles that consists of a benzene nucleus fused to a 1H-1,2,3-triazole ring. | 2.05 | 1 | 0 | benzotriazoles | environmental contaminant;
xenobiotic |
sym-trinitrobenzene
Trinitrobenzenes: Benzene derivatives which are substituted with three nitro groups in any position.. 1,3,5-trinitrobenzene : A trinitrobenzene in which each of the nitro groups is meta- to the other two. | 1.99 | 1 | 0 | trinitrobenzene | explosive |
glyoxal
[no description available] | 1.99 | 1 | 0 | dialdehyde | agrochemical;
allergen;
pesticide;
plant growth regulator |
2,5-hexanedione
2,5-hexanedione: metabolite of methyl-n-butyl ketone. 2,5-hexanedione : A diketone that is hexane substituted by oxo groups at positions 2 and 5. It is a toxic metabolite of hexane and of 2-hexanone | 1.99 | 1 | 0 | diketone;
methyl ketone | human xenobiotic metabolite;
neurotoxin |
2-naphthol
2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 1.97 | 1 | 0 | naphthol | antinematodal drug;
genotoxin;
human urinary metabolite;
human xenobiotic metabolite;
mouse metabolite;
radical scavenger |
cupric acetate
[no description available] | 1.99 | 1 | 0 | | |
sodium cyanide
Sodium Cyanide: A highly poisonous compound that is an inhibitor of many metabolic processes and is used as a test reagent for the function of chemoreceptors. It is also used in many industrial processes.. sodium cyanide : A cyanide salt containing equal numbers of sodium cations and cyanide anions. | 1.97 | 1 | 0 | cyanide salt;
one-carbon compound;
sodium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor |
benzoxazoles
1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.43 | 2 | 0 | 1,3-benzoxazoles;
mancude organic heterobicyclic parent | |
adamantane
Adamantane: A tricyclo bridged hydrocarbon. | 3.69 | 10 | 0 | adamantanes;
polycyclic alkane | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 1.98 | 1 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
thiazoles
[no description available] | 1.98 | 1 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
nitroblue tetrazolium
Nitroblue Tetrazolium: Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease. | 8.24 | 6 | 0 | organic cation | |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.43 | 2 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
chlormadinone acetate
Chlormadinone Acetate: An orally active synthetic progestational hormone used often in combinations as an oral contraceptive (CONTRACEPTIVES, ORAL). | 2.01 | 1 | 0 | corticosteroid hormone | |
citrulline
citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 2.41 | 1 | 0 | amino acid zwitterion;
citrulline | Daphnia magna metabolite;
EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
protective agent;
Saccharomyces cerevisiae metabolite |
kainic acid
Kainic Acid: (2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose. | 1.99 | 1 | 0 | dicarboxylic acid;
L-proline derivative;
non-proteinogenic L-alpha-amino acid;
pyrrolidinecarboxylic acid | antinematodal drug;
excitatory amino acid agonist |
orcinol
orcinol: used as reagent for pentoses, lignin, beet sugar, saccharoses, arabinose & diastase; RN given refers to parent cpd; structure. orcinol : A 5-alkylresorcinol in which the alkyl group is specified as methyl. | 1.97 | 1 | 0 | 5-alkylresorcinol;
dihydroxytoluene | Aspergillus metabolite |
periplogenin
periplogenin: structure | 6.92 | 1 | 0 | | |
hematoxylin
Hematoxylin: A dye obtained from the heartwood of logwood (Haematoxylon campechianum Linn., Leguminosae) used as a stain in microscopy and in the manufacture of ink. | 2.41 | 1 | 0 | organic heterotetracyclic compound;
oxacycle;
polyphenol;
tertiary alcohol | histological dye;
plant metabolite |
luminol
Luminol: 5-Amino-2,3-dihydro-1,4-phthalazinedione. Substance that emits light on oxidation. It is used in chemical determinations. | 1.98 | 1 | 0 | | |
4-iodophenol
[no description available] | 1.98 | 1 | 0 | iodophenol | |
eosine yellowish-(ys)
Eosine Yellowish-(YS): A versatile red dye used in cosmetics, pharmaceuticals, textiles, etc., and as tissue stain, vital stain, and counterstain with HEMATOXYLIN. It is also used in special culture media.. eosin YS dye : An organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions. | 2.44 | 2 | 0 | organic sodium salt;
organobromine compound | fluorochrome;
histological dye |
ethylnitrosourea
Ethylnitrosourea: A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.. N-ethyl-N-nitrosourea : A member of the class of N-nitrosoureas that is urea in which one of the nitrogens is substituted by ethyl and nitroso groups. | 1.99 | 1 | 0 | N-nitrosoureas | alkylating agent;
carcinogenic agent;
genotoxin;
mutagen |
glycyrrhizic acid
glycyrrhizinic acid : A triterpenoid saponin that is the glucosiduronide derivative of 3beta-hydroxy-11-oxoolean-12-en-30-oic acid. | 1.98 | 1 | 0 | enone;
glucosiduronic acid;
pentacyclic triterpenoid;
tricarboxylic acid;
triterpenoid saponin | EC 3.4.21.5 (thrombin) inhibitor;
plant metabolite |
pregnenolone carbonitrile
Pregnenolone Carbonitrile: A catatoxic steroid and microsomal enzyme inducer having significant effects on the induction of cytochrome P450. It has also demonstrated the potential for protective capability against acetaminophen-induced liver damage. | 1.95 | 1 | 0 | aliphatic nitrile | |
ethyldimethylaminopropyl carbodiimide
Ethyldimethylaminopropyl Carbodiimide: Carbodiimide cross-linking reagent. | 2.79 | 3 | 0 | | |
paraquat
Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.01 | 1 | 0 | organic cation | geroprotector;
herbicide |
fluorescein
Fluorescein: A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.. fluorescein (lactone form) : A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy. | 4.57 | 25 | 0 | 2-benzofurans;
gamma-lactone;
organic heteropentacyclic compound;
oxaspiro compound;
polyphenol;
xanthene dye | fluorescent dye;
radioopaque medium |
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. | 2.39 | 2 | 0 | fucopyranose;
L-fucose | Escherichia coli metabolite;
mouse metabolite |
fluorescein-5-isothiocyanate
Fluorescein-5-isothiocyanate: Fluorescent probe capable of being conjugated to tissue and proteins. It is used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.. fluorescein 5-isothiocyanate : The 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques. | 6.6 | 15 | 0 | fluorescein isothiocyanate | |
sabinene
sabinene: RN given refers to cpd without isomeric designation. sabinene : A thujene that is a bicyclic monoterpene isolated from the essential oils of various plant species. | 2.4 | 2 | 0 | thujene | plant metabolite |
mannose
mannopyranose : The pyranose form of mannose. | 1.98 | 1 | 0 | D-aldohexose;
D-mannose;
mannopyranose | 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. | 2 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
acetoxyacetylaminofluorene
Acetoxyacetylaminofluorene: An alkylating agent that forms DNA ADDUCTS at the C-8 position in GUANINE, resulting in single strand breaks. It has demonstrated carcinogenic action.. N-acetoxy-2-acetamidofluorene : A 2-acetamidofluorene compound in which the parent 2-acetamidofluorene is substituted on nitrogen by an acetoxy group. | 1.97 | 1 | 0 | 2-acetamidofluorenes | carcinogenic agent;
mutagen |
ruthenium
Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.42 | 2 | 0 | iron group element atom;
platinum group metal atom | |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 2.4 | 2 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
terbium
Terbium: An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 65, and atomic weight 158.92. | 1.99 | 1 | 0 | f-block element atom;
lanthanoid atom | |
titanium
Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 1.98 | 1 | 0 | titanium group element atom | |
erbium
Erbium: Erbium. An element of the rare earth family of metals. It has the atomic symbol Er, atomic number 68, and atomic weight 167.26. | 2.21 | 1 | 0 | f-block element atom;
lanthanoid atom | |
gold
Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.94 | 4 | 0 | copper group element atom;
elemental gold | |
yttrium
Yttrium: An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers. | 2.59 | 2 | 0 | d-block element atom;
rare earth metal atom;
scandium group element atom | |
acetylglucosamine
Acetylglucosamine: The N-acetyl derivative of glucosamine.. N-acetyl-beta-D-glucosamine : An N-acetyl-D-glucosamine having beta-configuration at the anomeric centre. | 2.38 | 2 | 0 | N-acetyl-D-glucosamine | epitope |
galactosamine
2-amino-2-deoxy-D-galactopyranose : The pyranose form of D-galactosamine.. D-galactosamine : The D-stereoisomer of galactosamine. | 1.98 | 1 | 0 | D-galactosamine;
primary amino compound | toxin |
camptothecin
NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 1.98 | 1 | 0 | delta-lactone;
pyranoindolizinoquinoline;
quinoline alkaloid;
tertiary alcohol | antineoplastic agent;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
genotoxin;
plant metabolite |
silver nitrate
Silver Nitrate: A silver salt with powerful germicidal activity. It has been used topically to prevent OPHTHALMIA NEONATORUM. | 1.99 | 1 | 0 | inorganic nitrate salt;
silver salt | astringent |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 1.95 | 1 | 0 | dihydrogen | |
galactose
aldohexose : A hexose with a (potential) aldehyde group at one end. | 1.97 | 1 | 0 | | |
digitoxigenin-bis(digitoxoside)
digitoxigenin-bis(digitoxoside): metabolite of digitoxin | 2.66 | 3 | 0 | | |
tetradecanoylphorbol acetate
Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 2.68 | 3 | 0 | acetate ester;
diester;
phorbol ester;
tertiary alpha-hydroxy ketone;
tetradecanoate ester | antineoplastic agent;
apoptosis inducer;
carcinogenic agent;
mitogen;
plant metabolite;
protein kinase C agonist;
reactive oxygen species generator |
fluorides
[no description available] | 2.21 | 1 | 0 | halide anion;
monoatomic fluorine | |
1-deoxynojirimycin
1-deoxy-nojirimycin: structure in first source. duvoglustat : An optically active form of 2-(hydroxymethyl)piperidine-3,4,5-triol having 2R,3R,4R,5S-configuration. | 1.98 | 1 | 0 | 2-(hydroxymethyl)piperidine-3,4,5-triol;
piperidine alkaloid | anti-HIV agent;
anti-obesity agent;
bacterial metabolite;
EC 3.2.1.20 (alpha-glucosidase) inhibitor;
hepatoprotective agent;
hypoglycemic agent;
plant metabolite |
phenyl acetate
phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.37 | 2 | 0 | benzenes;
phenyl acetates | |
transferrin
Transferrin: An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. | 1.98 | 1 | 0 | | |
rose bengal b disodium salt
[no description available] | 1.99 | 1 | 0 | | |
glutamic acid
Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.05 | 1 | 0 | glutamic acid;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
ferroptosis inducer;
micronutrient;
mouse metabolite;
neurotransmitter;
nutraceutical |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.68 | 3 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
adenosine diphosphate ribose
Adenosine Diphosphate Ribose: An ester formed between the aldehydic carbon of RIBOSE and the terminal phosphate of ADENOSINE DIPHOSPHATE. It is produced by the hydrolysis of nicotinamide-adenine dinucleotide (NAD) by a variety of enzymes, some of which transfer an ADP-ribosyl group to target proteins. | 2.39 | 2 | 0 | ADP-sugar | Escherichia coli metabolite;
mouse metabolite |
etoposide
[no description available] | 2.02 | 1 | 0 | beta-D-glucoside;
furonaphthodioxole;
organic heterotetracyclic compound | antineoplastic agent;
DNA synthesis inhibitor |
bezafibrate
[no description available] | 1.99 | 1 | 0 | aromatic ether;
monocarboxylic acid amide;
monocarboxylic acid;
monochlorobenzenes | antilipemic drug;
environmental contaminant;
geroprotector;
xenobiotic |
enkephalin, methionine
Enkephalin, Methionine: One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN. | 2 | 1 | 0 | | |
captopril
Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. | 1.98 | 1 | 0 | alkanethiol;
L-proline derivative;
N-acylpyrrolidine;
pyrrolidinemonocarboxylic acid | antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
cetaben
[no description available] | 2 | 1 | 0 | | |
colforsin
Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 1.99 | 1 | 0 | acetate ester;
cyclic ketone;
labdane diterpenoid;
organic heterotricyclic compound;
tertiary alpha-hydroxy ketone;
triol | adenylate cyclase agonist;
anti-HIV agent;
antihypertensive agent;
plant metabolite;
platelet aggregation inhibitor;
protein kinase A agonist |
swainsonine
Swainsonine: An indolizidine alkaloid from the plant Swainsona canescens that is a potent alpha-mannosidase inhibitor. Swainsonine also exhibits antimetastatic, antiproliferative, and immunomodulatory activity.. swainsonine : An indolizidine alkaloid isolated from the plant Swainsona canescens with three hydroxy substituents at positions 1, 2 and 8. | 1.98 | 1 | 0 | indolizidine alkaloid | antineoplastic agent;
EC 3.2.1.114 (mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase) inhibitor;
immunological adjuvant;
plant metabolite |
castanospermine
castanospermine: indolizidine alkaloid from seeds of Australian legume, Castanospermum australe. castanospermine : A tetrahydroxyindolizidine alkaloid that consists of octahydroindolizine having four hydroxy substituents located at positions 1, 6, 7 and 8 (the 1S,6S,7R,8R,8aR-diastereomer). | 1.98 | 1 | 0 | indolizidine alkaloid | anti-HIV-1 agent;
anti-inflammatory agent;
EC 3.2.1.* (glycosidase) inhibitor;
metabolite |
fura-2
Fura-2: A fluorescent calcium chelating agent which is used to study intracellular calcium in tissues. | 1.98 | 1 | 0 | | |
lesopitron
lesopitron: structure given in first source | 6.99 | 1 | 0 | | |
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.05 | 1 | 0 | adenosines;
purines D-ribonucleoside | analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent |
trazodone hydrochloride
Triticum: A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS.. trazodone hydrochloride : A hydrochloride salt prepared from equimolar amounts of trazodone and hydrogen chloride. | 2.7 | 3 | 0 | hydrochloride | adrenergic antagonist;
antidepressant;
H1-receptor antagonist;
sedative;
serotonin uptake inhibitor |
3-(2'-spiroadamantane)-4-methoxy-4-(3''-phosphoryloxy)phenyl-1,2-dioxetane
3-(2'-spiroadamantane)-4-methoxy-4-(3''-phosphoryloxy)phenyl-1,2-dioxetane: chemiluminescent substrate for alkaline phosphatase | 3.48 | 8 | 0 | | |
3-(2'-(spiro-5-chloroadamantane))-4-methoxy-4-(3''-phosphoryloxy)phenyl-1,2-dioxetane
3-(2'-(spiro-5-chloroadamantane))-4-methoxy-4-(3''-phosphoryloxy)phenyl-1,2-dioxetane: used as reagent in DNA sequencing | 2.39 | 2 | 0 | | |
glucose, (beta-d)-isomer
beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.36 | 2 | 0 | D-glucopyranose | epitope;
mouse metabolite |
thymidine 5'-triphosphate
thymidine 5'-triphosphate: RN given refers to parent cpd. dTTP : A thymidine phosphate having a triphosphate group at the 5'-position. | 3.81 | 4 | 0 | pyrimidine 2'-deoxyribonucleoside 5'-triphosphate;
thymidine phosphate | Escherichia coli metabolite;
mouse metabolite |
deoxyuridine triphosphate
[no description available] | 4.91 | 14 | 0 | deoxyuridine phosphate;
pyrimidine 2'-deoxyribonucleoside 5'-triphosphate | Arabidopsis thaliana metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite |
2-phenyloxazolone
2-phenyloxazolone: RN given refers to 2-phenyl-5-oxazolone. 2-phenyloxazol-5(4H)-one : A 1,3-oxazole having a phenyl substituent at the 2-position and an oxo group at the 5-position. Note that phenyloxazolone is commonly used as a synonym for 4-(ethoxymethylene)-2-phenyloxazol-5-one (PhOx). | 1.99 | 1 | 0 | 1,3-oxazoles | |
2'-deoxycytidine 5'-triphosphate
2'-deoxycytidine 5'-triphosphate: RN given refers to unlabeled parent cpd | 2.39 | 2 | 0 | 2'-deoxycytidine phosphate;
pyrimidine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
1,2-dipalmitoyl-3-phosphatidylethanolamine
1,2-dipalmitoyl-3-phosphatidylethanolamine: RN given refers to parent cpd without isomeric designation | 1.96 | 1 | 0 | | |
4-methylumbelliferyl phosphate
[no description available] | 1.98 | 1 | 0 | | |
5-bromo-4-chloro-3-indolyl beta-galactoside
5-bromo-4-chloro-3-indolyl beta-galactoside: enzyme substrate for beta-galactosidase. 5-bromo-4-chloro-3-indolyl beta-D-galactoside : An indolyl carbohydrate that is the beta-D-galactoside of 3-hydroxy-1H-indole in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is used to test for the presence of an enzyme, beta-galactosidase, which cleaved the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole, which immediately dimerises to give an intensely blue product. | 2 | 1 | 0 | beta-D-galactoside;
D-aldohexose derivative;
indolyl carbohydrate;
organobromine compound;
organochlorine compound | chromogenic compound |
metaperiodate
Periodic Acid: A strong oxidizing agent. | 2.9 | 4 | 0 | iodine oxoacid | |
lissamine rhodamine b
lissamine rhodamine B: RN given refers to parent cpd; Lissamine Rhodamine B refers to Na salt | 1.96 | 1 | 0 | | |
5-bromo-4-chloro-3-indoxyl phosphate
5-bromo-4-chloro-3-indoxyl phosphate: substrate for demonstration of activity of alkaline phosphatase; structure given in first source. 5-bromo-4-chloro-3-indolyl phosphate : An aryl phosphate that is indoxyl phopshate in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is used to test for the presence of an enzyme, alkaline phosphatase, which cleaves the phosphate group to give 5-bromo-4-chloroindoxyl, which immediately dimerises to give an intensely blue product. | 2.91 | 4 | 0 | aryl phosphate;
indoles;
organobromine compound;
organochlorine compound | chromogenic compound |
naphthol as
naphthol AS: azo dye coupling component implicated in occupational pigmented contact dermatitis; RN given refers to unlabeled parent cpd; structure | 1.97 | 1 | 0 | | |
triazoles
Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.05 | 1 | 0 | 1,2,3-triazole | |
rubrene
[no description available] | 2.17 | 1 | 0 | | |
delphinidin
Paraffin: A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.. delphinidin chloride : An anthocyanidin chloride that has delphinidin as the cationic counterpart. | 2.7 | 3 | 0 | anthocyanidin chloride | |
2',3'-dideoxyuridine-5'-triphosphate
2',3'-dideoxyuridine-5'-triphosphate: inhibits HIV reverse transcriptase & has potent DNA chain termination activity | 1.97 | 1 | 0 | | |
1-hydroxybenzotriazole
1-hydroxybenzotriazole: RN given refers to parent cpd | 2.05 | 1 | 0 | benzotriazoles | |
3-(trimethoxysilyl)propylamine
3-(trimethoxysilyl)propylamine: reagent for making polymers; structure in first source | 2.03 | 1 | 0 | | |
clarithromycin
Clarithromycin: A semisynthetic macrolide antibiotic derived from ERYTHROMYCIN that is active against a variety of microorganisms. It can inhibit PROTEIN SYNTHESIS in BACTERIA by reversibly binding to the 50S ribosomal subunits. This inhibits the translocation of aminoacyl transfer-RNA and prevents peptide chain elongation.. clarithromycin : The 6-O-methyl ether of erythromycin A, clarithromycin is a macrolide antibiotic used in the treatment of respiratory-tract, skin and soft-tissue infections. It is also used to eradicate Helicobacter pylori in the treatment of peptic ulcer disease. It prevents bacteria from growing by interfering with their protein synthesis. | 2 | 1 | 0 | macrolide antibiotic | antibacterial drug;
environmental contaminant;
protein synthesis inhibitor;
xenobiotic |
fibrinogen
Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol. | 2.08 | 1 | 0 | iditol | fungal metabolite |
gitoxin
gitoxin: an isomer of digoxin; the OH group which is in the C16 position while it is in the C12 position for Digoxin. gitoxin : A cardenolide glycoside that is gitoxigenin in which the 3beta-hydroxy group has been glycosylated with tridigitoxose. | 8.24 | 6 | 0 | cardenolide glycoside | |
firefly luciferin
Firefly Luciferin: A benzothaizole which is oxidized by LUCIFERASES, FIREFLY to cause emission of light (LUMINESCENCE).. Photinus luciferin : A 1,3-thiazolemonocarboxylic acid consisting of 3,5-dihydrothiophene-4-carboxylic acid having a 6-hydroxybenzothiazol-2-yl group at the 2-position. | 1.98 | 1 | 0 | 1,3-thiazolemonocarboxylic acid;
benzothiazoles;
imidothioate | luciferin |
digoxigenin-bis(digitoxoside)
[no description available] | 3.85 | 12 | 0 | cardenolide glycoside | |
digoxigenin-mono(digitoxoside)
digoxigenin monodigitoxoside : A steroid saponin that consists of digoxigenin having a digitoxosyl residue attached at position 3. | 3.59 | 9 | 0 | cardenolide glycoside;
digitoxoside;
monosaccharide derivative;
steroid saponin | metabolite |
fast red ta
Fast Red TA: RN given refers to parent cpd | 1.99 | 1 | 0 | | |
20,22-dihydrodigitoxigenin
20,22-dihydrodigitoxigenin: cardiotonic steroid | 1.96 | 1 | 0 | | |
3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate
3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate: a surfactant; structure given in first source | 1.99 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate | |
tyrosyl-prolyl-leucyl-glycinamide
tyrosyl-prolyl-leucyl-glycinamide: found in rat brain | 2 | 1 | 0 | | |
estrone-3-glucuronide
[no description available] | 1.99 | 1 | 0 | 17-oxo steroid;
beta-D-glucosiduronic acid;
steroid glucosiduronic acid | human metabolite;
mouse metabolite |
1,2-dioxetane
[no description available] | 1.98 | 1 | 0 | | |
4-aminophenylphosphate
4-aminophenylphosphate: RN refers to di-Ag salt; structure given in first source | 1.99 | 1 | 0 | | |
2-mercaptomethyl-3-guanidinoethylthiopropionic acid
2-mercaptomethyl-3-guanidinoethylthiopropionic acid: RN given refers to (+-)-isomer; structure given in first source | 1.98 | 1 | 0 | | |
aerobactin
[no description available] | 1.98 | 1 | 0 | L-lysine derivative | Escherichia coli metabolite;
siderophore;
virulence factor |
methotrexate
[no description available] | 2.17 | 1 | 0 | dicarboxylic acid;
monocarboxylic acid amide;
pteridines | abortifacient;
antimetabolite;
antineoplastic agent;
antirheumatic drug;
dermatologic drug;
DNA synthesis inhibitor;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor;
immunosuppressive agent |
n-hydroxysuccinimidyl digoxigenin-3-o-methylcarbonyl-epsilon-aminocaproate
N-hydroxysuccinimidyl digoxigenin-3-O-methylcarbonyl-epsilon-aminocaproate: used to bind to catalytic alpha-subunit of the sodium pump and to cardiac glycoside receptors | 3.24 | 6 | 0 | | |
beta-lactams
2-azetidinone: structure in first source. azetidin-2-one : An unsubstituted beta-lactam compound.. beta-lactam : A lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. | 2.03 | 1 | 0 | beta-lactam antibiotic allergen;
beta-lactam | |
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. | 1.99 | 1 | 0 | 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 |
6-hydroxybenzothiazole
[no description available] | 1.98 | 1 | 0 | | |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.43 | 2 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
yttria
yttria: molecular formula Y2-O3 | 2.17 | 1 | 0 | | |
singlet oxygen
Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 2.05 | 1 | 0 | chalcogen;
monoatomic oxygen;
nonmetal atom | macronutrient |
biotin
vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 9 | 168 | 0 | biotins;
vitamin B7 | coenzyme;
cofactor;
Escherichia coli metabolite;
fundamental metabolite;
human metabolite;
mouse metabolite;
nutraceutical;
prosthetic group;
Saccharomyces cerevisiae metabolite |
oxyma
[no description available] | 2.05 | 1 | 0 | | |
leucomyosuppressin
leucomyosuppressin: from head extracts of the cockroach Leucophaea maderae; inhibits evoked transmitter release at the mealworm neuromuscular junction | 1.99 | 1 | 0 | | |
1-hydroxy-7-azabenzotriazole
1-hydroxy-7-azabenzotriazole: structure in first source | 2.05 | 1 | 0 | | |
estradiol 3-benzoate
17beta-estradiol 3-benzoate : A benzoate ester resulting from the formal condensation of benzoic acid with the phenolic hydroxy group of 17beta-estradiol. | 2 | 1 | 0 | 17beta-hydroxy steroid;
benzoate ester | estrogen receptor agonist;
xenoestrogen |
cortisone
[no description available] | 2.01 | 1 | 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 |
acetylstrophanthidin
acetylstrophanthidin: structure. acetylstrophanthidin : An acetate ester that is strophanidin acetylated at the 3beta-hydroxy group. | 2.4 | 2 | 0 | acetate ester | anti-arrhythmia drug |
gitoxigenin
gitoxigenin: structure | 2.42 | 2 | 0 | 14beta-hydroxy steroid;
16beta-hydroxy steroid;
3beta-hydroxy steroid | |
lanatosides
Lanatosides: Glycosides from DIGITALIS lanata leaf. Lanatoside C has actions similar to DIGOXIN. Mixtures of lanatosides A, B, and C have also been used. (From Martindale, The Extra Pharmacopoeia, 30th ed, p670) | 3.45 | 2 | 0 | | |
biotinyl n-hydroxysuccinimide ester
biotinyl N-hydroxysuccinimide ester: used to prepare biotinylated erythrocytes | 1.99 | 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. | 2.07 | 1 | 0 | | |
n-acetylneuraminic acid
N-Acetylneuraminic Acid: An N-acyl derivative of neuraminic acid. N-acetylneuraminic acid occurs in many polysaccharides, glycoproteins, and glycolipids in animals and bacteria. (From Dorland, 28th ed, p1518). N-acetylneuraminic acid : An N-acylneuraminic acid where the N-acyl group is specified as acetyl. | 1.98 | 1 | 0 | N-acetylneuraminic acids | antioxidant;
bacterial metabolite;
EC 3.2.1.18 (exo-alpha-sialidase) inhibitor;
human metabolite;
mouse metabolite |
bradykinin
[no description available] | 6.98 | 1 | 0 | oligopeptide | human blood serum metabolite;
vasodilator agent |
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. | 1.98 | 1 | 0 | D-glucosamine | Escherichia coli metabolite;
geroprotector;
mouse metabolite |
oxytocin
Oxytocin: A nonapeptide hormone released from the neurohypophysis (PITUITARY GLAND, POSTERIOR). It differs from VASOPRESSIN by two amino acids at residues 3 and 8. Oxytocin acts on SMOOTH MUSCLE CELLS, such as causing UTERINE CONTRACTIONS and MILK EJECTION.. oxytocin : A cyclic nonapeptide hormone with amino acid sequence CYIQNCPLG that also acts as a neurotransmitter in the brain; the principal uterine-contracting and milk-ejecting hormone of the posterior pituitary. Together with the neuropeptide vasopressin, it is believed to influence social cognition and behaviour. | 2 | 1 | 0 | heterodetic cyclic peptide;
peptide hormone | oxytocic;
vasodilator agent |
ouabain
Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 9.42 | 22 | 0 | 11alpha-hydroxy steroid;
14beta-hydroxy steroid;
5beta-hydroxy steroid;
alpha-L-rhamnoside;
cardenolide glycoside;
steroid hormone | anti-arrhythmia drug;
cardiotonic drug;
EC 2.3.3.1 [citrate (Si)-synthase] inhibitor;
EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor;
ion transport inhibitor;
plant metabolite |
estradiol-3-glucuronide
estradiol-3-glucuronide: RN given refers to (beta-D)-glucopyranosiduronic acid (17beta)-isomer. 17beta-estradiol 3-glucosiduronic acid : A steroid glucosiduronic acid that consists of 17beta-estradiol having a beta-glucuronyl residue attached at position 3 via a glycosidic linkage. | 1.99 | 1 | 0 | 17beta-hydroxy steroid;
beta-D-glucosiduronic acid;
steroid glucosiduronic acid | human metabolite;
mouse metabolite |
monensin
Monensin: An antiprotozoal agent produced by Streptomyces cinnamonensis. It exerts its effect during the development of first-generation trophozoites into first-generation schizonts within the intestinal epithelial cells. It does not interfere with hosts' development of acquired immunity to the majority of coccidial species. Monensin is a sodium and proton selective ionophore and is widely used as such in biochemical studies.. monensin A : A spiroketal, monensin A is the major component of monensin, a mixture of antibiotic substances produced by Streptomyces cinnamonensis. An antiprotozoal, it is used as the sodium salt as a feed additive for the prevention of coccidiosis in poultry and as a growth promoter in cattle. | 2.37 | 2 | 0 | cyclic hemiketal;
monocarboxylic acid;
polyether antibiotic;
spiroketal | antifungal agent;
coccidiostat;
ionophore |
digitoxin
Digitoxin: A cardiac glycoside sometimes used in place of DIGOXIN. It has a longer half-life than digoxin; toxic effects, which are similar to those of digoxin, are longer lasting. (From Martindale, The Extra Pharmacopoeia, 30th ed, p665). digitoxin : A cardenolide glycoside in which the 3beta-hydroxy group of digitoxigenin carries a 2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1->4)-2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1->4)-2,6-dideoxy-beta-D-ribo-hexopyranosyl trisaccharide chain. | 5.8 | 30 | 0 | cardenolide glycoside | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor |
ryanodine
Ryanodine: A methylpyrrole-carboxylate from RYANIA that disrupts the RYANODINE RECEPTOR CALCIUM RELEASE CHANNEL to modify CALCIUM release from SARCOPLASMIC RETICULUM resulting in alteration of MUSCLE CONTRACTION. It was previously used in INSECTICIDES. It is used experimentally in conjunction with THAPSIGARGIN and other inhibitors of CALCIUM ATPASE uptake of calcium into SARCOPLASMIC RETICULUM.. ryanodine : An insecticide alkaloid isolated from South American plant Ryania speciosa. | 1.99 | 1 | 0 | | |
neriifolin
neriifolin: structure in first source; RN given refers to alpha-L-glucopyranosyl(3beta,5beta)-isomer. neriifolin : A cardenolide glycoside that is digitoxigenin in which the hydroxy goup at position 3 has been converted to its (6-deoxy-3-O-methyl-alpha-L-glucopyranoside derivative. Found in the seeds of Cerbera odollamand in Thevetia ahouia and Thevitia neriifolia. | 2.01 | 1 | 0 | cardenolide glycoside | cardiotonic drug;
neuroprotective agent;
toxin |
medigoxin
Medigoxin: A semisynthetic digitalis glycoside with the general properties of DIGOXIN but more rapid onset of action. Its cardiotonic action is prolonged by its demethylation to DIGOXIN in the liver. It has been used in the treatment of congestive heart failure (HEART FAILURE). | 2.1 | 1 | 0 | cardenolide glycoside | |
trichostatin a
trichostatin A: chelates zinc ion in the active site of histone deacetylases, resulting in preventing histone unpacking so DNA is less available for transcription; do not confuse with TRICHOSANTHIN which is a protein; found in STREPTOMYCES | 2.1 | 1 | 0 | antibiotic antifungal agent;
hydroxamic acid;
trichostatin | bacterial metabolite;
EC 3.5.1.98 (histone deacetylase) inhibitor;
geroprotector |
tretinoin
Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).. retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).. all-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry. | 1.99 | 1 | 0 | retinoic acid;
vitamin A | anti-inflammatory agent;
antineoplastic agent;
antioxidant;
AP-1 antagonist;
human metabolite;
keratolytic drug;
retinoic acid receptor agonist;
retinoid X receptor agonist;
signalling molecule |
cyanoginosin lr
cyanoginosin LR: cyclic heptapeptide from cyanobacterium Microcystis aeruginosa. microcystin-LR : A microcystin consisting of D-alanyl, L-leucyl, (3S)-3-methyl-D-beta-aspartyl,L-arginyl, 2S,3S,4E,6E,8S,9S)-3-amino-4,5,6,7-tetradehydro-9-methoxy-2,6,8-trimethyl-10-phenyldecanoyl, D-gamma-glutamyl, and 2,3-didehydro-N-methylalanyl residues joined into a 25-membered macrocycle. Produced by the cyanobacterium Microcystis aeruginosa, it is the most studied of the microcystins. | 2.08 | 1 | 0 | microcystin | bacterial metabolite;
EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor;
environmental contaminant;
xenobiotic |
tacrolimus
Tacrolimus: A macrolide isolated from the culture broth of a strain of Streptomyces tsukubaensis that has strong immunosuppressive activity in vivo and prevents the activation of T-lymphocytes in response to antigenic or mitogenic stimulation in vitro.. tacrolimus (anhydrous) : A macrolide lactam containing a 23-membered lactone ring, originally isolated from the fermentation broth of a Japanese soil sample that contained the bacteria Streptomyces tsukubaensis. | 2.21 | 1 | 0 | macrolide lactam | bacterial metabolite;
immunosuppressive agent |
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 2.05 | 1 | 0 | benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid | adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
thapsigargin
Thapsigargin: A sesquiterpene lactone found in roots of THAPSIA. It inhibits SARCOPLASMIC RETICULUM CALCIUM-TRANSPORTING ATPASES.. thapsigargin : An organic heterotricyclic compound that is a hexa-oxygenated 6,7-guaianolide isolated fron the roots of Thapsia garganica L., Apiaceae. A potent skin irritant, it is used in traditional medicine as a counter-irritant. Thapsigargin inhibits Ca(2+)-transporting ATPase mediated uptake of calcium ions into sarcoplasmic reticulum and is used in experimentation examining the impacts of increasing cytosolic calcium concentrations. | 1.99 | 1 | 0 | butyrate ester;
organic heterotricyclic compound;
sesquiterpene lactone | calcium channel blocker;
EC 3.6.3.8 (Ca(2+)-transporting ATPase) inhibitor |
texas red
Texas red: hydrophilic Texas red; structure given in first source | 7.42 | 2 | 0 | organic heteroheptacyclic compound | fluorochrome |
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) | 1.98 | 1 | 0 | actinomycin | mutagen |
aphidicolin
Aphidicolin: An antiviral antibiotic produced by Cephalosporium aphidicola and other fungi. It inhibits the growth of eukaryotic cells and certain animal viruses by selectively inhibiting the cellular replication of DNA polymerase II or the viral-induced DNA polymerases. The drug may be useful for controlling excessive cell proliferation in patients with cancer, psoriasis or other dermatitis with little or no adverse effect upon non-multiplying cells.. aphidicolin : A tetracyclic diterpenoid that has an tetradecahydro-8,11a-methanocyclohepta[a]naphthalene skeleton with two hydroxymethyl substituents at positions 4 and 9, two methyl substituents at positions 4 and 11b and two hydroxy substituents at positions 3 and 9. An antibiotic with antiviral and antimitotical properties. Aphidicolin is a reversible inhibitor of eukaryotic nuclear DNA replication. | 1.99 | 1 | 0 | tetracyclic diterpenoid | antimicrobial agent;
antimitotic;
antineoplastic agent;
antiviral drug;
apoptosis inducer;
Aspergillus metabolite;
DNA synthesis inhibitor;
EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor;
fungal metabolite |
enkephalin, leucine
Enkephalin, Leucine: One of the endogenous pentapeptides with morphine-like activity. It differs from MET-ENKEPHALIN in the LEUCINE at position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.. Leu-enkephalin : A pentapeptide comprising L-tyrosine, glycine, glycine, L-phenylalanine and L-leucine residues joined in sequence by peptide linkages. It is an endogenous opioid peptide produced in vertebrate species, including rodents, primates and humans that results from decomposition of proenkephalin or dynorphin and exhibits antinociceptive properties. | 2.91 | 4 | 0 | pentapeptide;
peptide zwitterion | analgesic;
delta-opioid receptor agonist;
human metabolite;
mu-opioid receptor agonist;
neurotransmitter;
rat metabolite |
sodium bicarbonate
Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 1.99 | 1 | 0 | one-carbon compound;
organic sodium salt | antacid;
food anticaking agent |
ammonium acetate
ammonium acetate : An ammonium salt obtained by reaction of ammonia with acetic acid. A deliquescent white crystalline solid, it has a relatively low melting point (114degreeC) for a salt. Used as a food acidity regulator, although no longer approved for this purpose in the EU. | 1.98 | 1 | 0 | acetate salt;
ammonium salt | buffer;
food acidity regulator |
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. | 3.24 | 6 | 0 | 2-bromocarboxylic acid;
monocarboxylic acid;
organochlorine compound | |
glycosides
[no description available] | 2.89 | 4 | 0 | | |
arginine vasopressin
Arginine Vasopressin: The predominant form of mammalian antidiuretic hormone. It is a nonapeptide containing an ARGININE at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. Arg-vasopressin is used to treat DIABETES INSIPIDUS or to improve vasomotor tone and BLOOD PRESSURE.. argipressin : The predominant form of mammalian vasopressin (antidiuretic hormone). It is a nonapeptide containing an arginine at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. | 2.92 | 4 | 0 | vasopressin | cardiovascular drug;
hematologic agent;
mitogen |
lanatoside c
lanatoside C: RN given refers to (3beta,5beta,12beta)-isomer | 2.36 | 2 | 0 | | |
prednisolone hemisuccinate
prednisolone hemisuccinate: RN given refers to (11 beta)-isomer. prednisolone succinate : A hemisuccinate resulting from the formal condensation of the 21-hydroxy group prednisolone with one of the carboxy groups of succinic acid. It is used to treat mild to moderate non-infectious eye allergies and inflammation, including damage caused by chemical and thermal burns. | 2.01 | 1 | 0 | 11beta-hydroxy steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
3-oxo-Delta(1),Delta(4)-steroid;
hemisuccinate;
tertiary alpha-hydroxy ketone | anti-inflammatory drug |
isopropyl thiogalactoside
Isopropyl Thiogalactoside: A non-metabolizable galactose analog that induces expression of the LAC OPERON.. isopropyl beta-D-thiogalactopyranoside : An S-glycosyl compound consisting of beta-D-1-thiogalactose having an isopropyl group attached to the anomeric sulfur. | 1.98 | 1 | 0 | S-glycosyl compound | |
oxazolone
Oxazolone: Immunologic adjuvant and sensitizing agent. | 1.99 | 1 | 0 | | |
digitoxose
[no description available] | 1.97 | 1 | 0 | | |
digoxin
Digoxin: A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666). digoxin : A cardenolide glycoside that is digitoxin beta-hydroxylated at C-12. A cardiac glycoside extracted from the foxglove plant, Digitalis lanata, it is used to control ventricular rate in atrial fibrillation and in the management of congestive heart failure with atrial fibrillation, but the margin between toxic and therapeutic doses is small. | 5.74 | 86 | 0 | cardenolide glycoside;
steroid saponin | anti-arrhythmia drug;
cardiotonic drug;
EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor;
epitope |
tamoxifen
[no description available] | 2.03 | 1 | 0 | stilbenoid;
tertiary amino compound | angiogenesis inhibitor;
antineoplastic agent;
bone density conservation agent;
EC 1.2.3.1 (aldehyde oxidase) inhibitor;
EC 2.7.11.13 (protein kinase C) inhibitor;
estrogen antagonist;
estrogen receptor antagonist;
estrogen receptor modulator |
8-azidoethidium
8-azidoethidium: RN given refers to parent cpd | 1.98 | 1 | 0 | | |
estrone sulfate
estrone sulfate: sulfoconjugated estrone; RN given refers to parent cpd | 1.99 | 1 | 0 | 17-oxo steroid;
steroid sulfate | human metabolite;
mouse metabolite |
2'-deoxytubercidin
2'-deoxytubercidin: structure given in first source. 2'-deoxytubercidin : An N-glycosylpyrrolopyrimidine that is tubercidin in which the hydroxy group at position 2 of the ribose moiety has been replaced by a hydrogen. | 2 | 1 | 0 | deoxyribonucleoside;
N-glycosylpyrrolopyrimidine | |
quinine
[no description available] | 1.97 | 1 | 0 | cinchona alkaloid | antimalarial;
muscle relaxant;
non-narcotic analgesic |
photobiotin
photobiotin: structure given in first source | 2.39 | 2 | 0 | | |
mtt formazan
MTT formazan: a blue MEM-insoluble mitochondrial byproduct; used to determine viability of cells with active mitochondrial dehydrogenase enzymes | 1.98 | 1 | 0 | | |
tetramethylrhodamine isothiocyanate
tetramethylrhodamine isothiocyanate: used for labeling of antibodies with fluorochromes; easily dissolved with DMSO; conjugates with immunoglobulins | 2.01 | 1 | 0 | | |
digitoxigenin
Digitoxigenin: 3 beta,14-Dihydroxy-5 beta-card-20(22)enolide. A cardenolide which is the aglycon of digitoxin. Synonyms: Cerberigenin; Echujetin; Evonogenin; Thevetigenin.. digitoxigenin : A 5beta-cardenolide that is 5beta-cardanolide with hydroxy substituents at the 3beta- and 14beta-positions and double bond unsaturation at C(20)-C(22). | 5.69 | 27 | 0 | 14beta-hydroxy steroid;
3beta-hydroxy steroid | |
myelin basic protein
Myelin Basic Protein: An abundant cytosolic protein that plays a critical role in the structure of multilamellar myelin. Myelin basic protein binds to the cytosolic sides of myelin cell membranes and causes a tight adhesion between opposing cell membranes. | 2.38 | 2 | 0 | | |
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 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
dinoprost
Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 2 | 1 | 0 | monocarboxylic acid;
prostaglandins Falpha | human metabolite;
mouse metabolite |
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. | 1.98 | 1 | 0 | hydroxycoumarin | antineoplastic agent;
hyaluronic acid synthesis inhibitor |
rutin
Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 7.07 | 1 | 0 | disaccharide derivative;
quercetin O-glucoside;
rutinoside;
tetrahydroxyflavone | antioxidant;
metabolite |
amphotericin b
Amphotericin B: Macrolide antifungal antibiotic produced by Streptomyces nodosus obtained from soil of the Orinoco river region of Venezuela.. amphotericin B : A macrolide antibiotic used to treat potentially life-threatening fungal infections. | 1.98 | 1 | 0 | antibiotic antifungal drug;
macrolide antibiotic;
polyene antibiotic | antiamoebic agent;
antiprotozoal drug;
bacterial metabolite |
cassaine
cassaine: Erythrophleum alkaloid; RN given refers to parent cpd; structure. cassaine : A tricyclic diterpenoid isolated from several plant species of the genus Erythrophleum. | 1.96 | 1 | 0 | enoate ester;
organic hydroxy compound;
tertiary amino compound;
tricyclic diterpenoid | antihypertensive agent;
cardiotonic drug;
EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor;
local anaesthetic;
plant metabolite;
poison |
rosmarinic acid
rosmarinic acid: RN given refers to parent cpd; promote OT project. (R)-rosmarinic acid : A stereoisomer of rosmarinic acid having (R)-configuration.. rosmarinic acid : The 1-carboxy-2-(2,4-dihydroxyphenyl)ethyl ester of trans-caffeic acid. | 2.41 | 1 | 0 | rosmarinic acid | geroprotector;
plant metabolite |
estradiol-17 beta-glucuronide
17beta-estradiol 17-glucosiduronic acid : A steroid glucosiduronic acid that consists of 17beta-estradiol having a beta-glucuronyl residue attached at position 17 via a glycosidic linkage. | 1.99 | 1 | 0 | 3-hydroxy steroid;
steroid glucosiduronic acid | |
4-acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid
4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid: A non-penetrating amino reagent (commonly called SITS) which acts as an inhibitor of anion transport in erythrocytes and other cells. | 1.99 | 1 | 0 | stilbenoid | |
acetyldigitoxin
Acetyldigitoxins: Cardioactive derivatives of lanatoside A or of DIGITOXIN. They are used for fast digitalization in congestive heart failure.. 3'''-O-acetyldigitoxin : A cardenolide glycoside compound consisting of digitoxin having an acetyl substituent at the 3-position on the D-ribo-hexopyranosyl residue at the non-reducing end. | 2.01 | 1 | 0 | cardenolide glycoside | anti-arrhythmia drug;
cardiotonic drug;
enzyme inhibitor |
proscillaridin
Proscillaridin: A cardiotonic glycoside isolated from Scilla maritima var. alba (Squill). | 2.01 | 1 | 0 | organic molecular entity | |
brefeldin a
[no description available] | 1.98 | 1 | 0 | macrolide antibiotic | Penicillium metabolite |
morphine
Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 2.01 | 1 | 0 | morphinane alkaloid;
organic heteropentacyclic compound;
tertiary amino compound | anaesthetic;
drug allergen;
environmental contaminant;
geroprotector;
mu-opioid receptor agonist;
opioid analgesic;
plant metabolite;
vasodilator agent;
xenobiotic |
rubidium
Rubidium: An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37, and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of photoelectric cells. | 2.36 | 2 | 0 | alkali metal atom | |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2 | 1 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
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. | 1.98 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
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. | 1.98 | 1 | 0 | cysteinium | fundamental metabolite |
silicon
Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 1.99 | 1 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
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. | 2.01 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
carbocyanines
Carbocyanines: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials. | 3.17 | 5 | 0 | cyanine dye;
organic iodide salt | fluorochrome |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.4 | 2 | 0 | chalcogen;
nonmetal atom | micronutrient |
dizocilpine maleate
Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 1.99 | 1 | 0 | maleate salt;
tetracyclic antidepressant | anaesthetic;
anticonvulsant;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist |
biotin-11-dutp
biotin-11-dUTP: used in detection of sickle cell anemia | 2.68 | 3 | 0 | | |
1,1'-((4,4,7,7-tetramethyl)-4,7-diazaundecamethylene)bis-4-(3-methyl-2,3-dihydro(benzo-1,3-oxazole)-2-methylidine)quinolinium, tetraiodide
1,1'-((4,4,7,7-tetramethyl)-4,7-diazaundecamethylene)bis-4-(3-methyl-2,3-dihydro(benzo-1,3-oxazole)-2-methylidene)quinolinium: non-fluorescent in solution but forms highly fluorescent complex with double-stranded DNA; RN refers to the tetraiodide compound | 2.43 | 2 | 0 | cyanine dye;
organic iodide salt | fluorochrome |
digoxigenin-11-2',3'-dideoxyuridine 5'-triphosphate
[no description available] | 3.38 | 7 | 0 | | |
beta-escin
[no description available] | 2.9 | 4 | 0 | | |
sq-23377
Ionomycin: A divalent calcium ionophore that is widely used as a tool to investigate the role of intracellular calcium in cellular processes.. ionomycin : A very long-chain fatty acid that is docosa-10,16-dienoic acid which is substituted by methyl groups at positions 4, 6, 8, 12, 14, 18 and 20, by hydroxy groups at positions 11, 19 and 21, and by a (2',5-dimethyloctahydro-2,2'-bifuran-5-yl)ethanol group at position 21. An ionophore produced by Streptomyces conglobatus, it is used in research to raise the intracellular level of Ca(2+) and as a research tool to understand Ca(2+) transport across biological membranes. | 1.98 | 1 | 0 | cyclic ether;
enol;
polyunsaturated fatty acid;
very long-chain fatty acid | calcium ionophore;
metabolite |
bufogenin
bufogenin: respiratory stimulant; from toad; structure. bufogenin : A steroid lactone of Chan su (toad venom), a Chinese medicine obtained from the skin venom gland of toads. A specific Na/K-ATPase protein inhibitor, it is used as a cardiotonic and central nervous system (CNS) respiratory agent, an analgesic and anesthetic, and as a remedy for ulcers. | 1.98 | 1 | 0 | epoxy steroid;
steroid lactone | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor |
staurosporine
staurosporinium : Conjugate acid of staurosporine. | 2.1 | 1 | 0 | ammonium ion derivative | |
bufalin
bufalin: cardiotonic; powerful anesthetic & one of the active constituents of the Chinese drug ch'an su(senso); in Japan prepared from skin of Bufo bufo garfarizans; RN given refers to (3beta,5beta)-isomer. bufalin : A 14beta-hydroxy steroid that is bufan-20,22-dienolide having hydroxy substituents at the 5beta- and 14beta-positions. It has been isolated from the skin of the toad Bufo bufo. | 2.7 | 3 | 0 | 14beta-hydroxy steroid;
3beta-hydroxy steroid | animal metabolite;
anti-inflammatory agent;
antineoplastic agent;
cardiotonic drug |
formazans
Formazans: Colored azo compounds formed by the reduction of tetrazolium salts. Employing this reaction, oxidoreductase activity can be determined quantitatively in tissue sections by allowing the enzymes to act on their specific substrates in the presence of tetrazolium salts. | 1.98 | 1 | 0 | | |
oleandrigenin
oleandrigenin: RN given refers to (3beta)-isomer; structure. oleandrigenin : A steroid ester that is the 16-acetyl derivative of gitoxigenin. | 2.01 | 1 | 0 | 14beta-hydroxy steroid;
3beta-hydroxy steroid;
steroid ester | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor;
metabolite |
pentagastrin
Pentagastrin: A synthetic pentapeptide that has effects like gastrin when given parenterally. It stimulates the secretion of gastric acid, pepsin, and intrinsic factor, and has been used as a diagnostic aid. | 1.95 | 1 | 0 | organic molecular entity | |
mocetinostat
mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 3.26 | 6 | 0 | aminopyrimidine;
benzamides;
pyridines;
secondary amino compound;
secondary carboxamide;
substituted aniline | antineoplastic agent;
apoptosis inducer;
autophagy inducer;
cardioprotective agent;
EC 3.5.1.98 (histone deacetylase) inhibitor;
hepatotoxic agent |
5-bromouridine triphosphate
5-bromouridine 5'-triphosphate : A pyrimidine ribonucleoside 5'-triphosphate having 5-bromouracil as the pyrimidine component. | 1.99 | 1 | 0 | organobromine compound;
pyrimidine ribonucleoside 5'-triphosphate | |
zeolites
[no description available] | 2.06 | 1 | 0 | | |
tetramethylrhodamine
tetramethylrhodamine: RN given refers to perchlorate; structure | 2.44 | 2 | 0 | xanthene dye | |
g(m1) ganglioside
G(M1) Ganglioside: A specific monosialoganglioside that accumulates abnormally within the nervous system due to a deficiency of GM1-b-galactosidase, resulting in GM1 gangliosidosis.. ganglioside GM1 : A sialotetraosylceramide consisting of a branched pentasaccharide made up from one sialyl residue, two galactose residues, one N-acetylgalactosamine residue and a glucose residue at the reducing end attached to N-stearoylsphingosine via a beta-linkage. | 2.4 | 2 | 0 | alpha-N-acetylneuraminosyl-(2->3)-[beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine;
sialotetraosylceramide | |
fmrfamide
FMRFamide: A molluscan neuroactive peptide which induces a fast excitatory depolarizing response due to direct activation of amiloride-sensitive SODIUM CHANNELS. (From Nature 1995; 378(6558): 730-3) | 1.99 | 1 | 0 | | |
gitaloxin
gitaloxin: RN given refers to (3beta,5beta,16beta)-isomer. gitaloxin : A cardenolide glycoside that is gitoxin in which the 16beta-hydroxy group has been formylated. | 2.01 | 1 | 0 | cardenolide glycoside | metabolite |
ribose
ribopyranose : The pyranose form of ribose. | 1.98 | 1 | 0 | D-ribose;
ribopyranose | |
losartan potassium
Erythropoietin: Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation. | 2.9 | 4 | 0 | | |
dihydroouabain
dihydroouabain: RN given refers to (1beta,3beta,5beta,11alpha,20xi)-isomer. dihydroouabain : A cardenolide glycoside that is ouabain in which the double bond in the lactone ring has been reduced to a single bond. It is a cardiac glycoside and a derivative of ouabain which is used as a sodium pump antagonist and exhibits ionotropic effects. | 7.17 | 1 | 0 | | |
digitoxigenin monodigitoxoside
digitoxigenin monodigitoxoside: RN given refers to (ribo-3beta,5beta)-isomer | 1.97 | 1 | 0 | | |
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. | 2.93 | 4 | 0 | | |
cinobufagin
cinobufagin: isolated from Chinese medicinal preparation ch'an su; derived from toad venom | 2.01 | 1 | 0 | steroid lactone | |
pituitrin
Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 4 | 4 | 0 | | |
ouabagenin
ouabagenin: inhibitor of ATPASE; structure. ouabagenin : A hexahydroxy steroidal lactone obtained by hydrolysis of ouabain. | 2.94 | 4 | 0 | 1-hydroxy steroid;
11alpha-hydroxy steroid;
14beta-hydroxy steroid;
19-hydroxy steroid;
3beta-hydroxy steroid;
5beta-hydroxy steroid | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor |
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. | 1.98 | 1 | 0 | | |
ants
Ants: Insects of the family Formicidae, very common and widespread, probably the most successful of all the insect groups. All ants are social insects, and most colonies contain three castes, queens, males, and workers. Their habits are often very elaborate and a great many studies have been made of ant behavior. Ants produce a number of secretions that function in offense, defense, and communication. (From Borror, et al., An Introduction to the Study of Insects, 4th ed, p676) | 1.99 | 1 | 0 | | |
lnd 623
LND 623: structure given in first source | 1.97 | 1 | 0 | | |
dihydrodigitoxin
dihydrodigitoxin : A cardanolide glycoside that is the 20,22-dihydro derivative of digitoxin. | 1.96 | 1 | 0 | | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 7.39 | 2 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
cosyntropin
Cosyntropin: A synthetic peptide that is identical to the 24-amino acid segment at the N-terminal of ADRENOCORTICOTROPIC HORMONE. ACTH (1-24), a segment similar in all species, contains the biological activity that stimulates production of CORTICOSTEROIDS in the ADRENAL CORTEX.. cosyntropin : A synthetic peptide that is identical to the 24-amino acid segment at the N-terminal of adrenocorticotropic hormone (corticotropin). A segment similar in all species, it contains the biological activity that stimulates production of corticosteroids in the adrenal cortex. It is used diagnostically to investigate adrenocortical insufficiency. | 1.96 | 1 | 0 | | |
atrial natriuretic factor
Atrial Natriuretic Factor: A potent natriuretic and vasodilatory peptide or mixture of different-sized low molecular weight PEPTIDES derived from a common precursor and secreted mainly by the HEART ATRIUM. All these peptides share a sequence of about 20 AMINO ACIDS. | 2.39 | 2 | 0 | polypeptide | |
gastrins
Gastrins: A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. | 1.98 | 1 | 0 | | |
glucagon
Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 1.97 | 1 | 0 | peptide hormone | |
somatostatin-28
prosomatostatin: see also preprosomatostatins: 75037-28-4 | 1.98 | 1 | 0 | | |
neuropeptide y
Neuropeptide Y: A 36-amino acid peptide present in many organs and in many sympathetic noradrenergic neurons. It has vasoconstrictor and natriuretic activity and regulates local blood flow, glandular secretion, and smooth muscle activity. The peptide also stimulates feeding and drinking behavior and influences secretion of pituitary hormones. | 2.69 | 3 | 0 | | |
oligonucleotides
[no description available] | 5.52 | 21 | 0 | | |
calpain
Calpain: Cysteine proteinase found in many tissues. Hydrolyzes a variety of endogenous proteins including NEUROPEPTIDES; CYTOSKELETAL PROTEINS; proteins from SMOOTH MUSCLE; CARDIAC MUSCLE; liver; platelets; and erythrocytes. Two subclasses having high and low calcium sensitivity are known. Removes Z-discs and M-lines from myofibrils. Activates phosphorylase kinase and cyclic nucleotide-independent protein kinase. This enzyme was formerly listed as EC 3.4.22.4. | 2.05 | 1 | 0 | | |
biotinyltyramide
biotinyltyramide: used in sensitive light microscopic immunochemistry | 3.13 | 1 | 0 | | |
chitosan
[no description available] | 7.05 | 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. | 2.01 | 1 | 0 | | |
vasoactive intestinal peptide
Vasoactive Intestinal Peptide: A highly basic, 28 amino acid neuropeptide released from intestinal mucosa. It has a wide range of biological actions affecting the cardiovascular, gastrointestinal, and respiratory systems and is neuroprotective. It binds special receptors (RECEPTORS, VASOACTIVE INTESTINAL PEPTIDE). | 1.99 | 1 | 0 | | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 2 | 1 | 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. | 1.99 | 1 | 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. | 1.99 | 1 | 0 | monohydroxybenzoate | plant metabolite |
4-des-dimethylaminotetracycline
4-des-dimethylaminotetracycline: non-antibacterial, inhibits mammalian collagenase; RN given refers to (4aS-(4aalpha,5aalpha,6beta,12aalpha))-isomer | 1.99 | 1 | 0 | | |
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. | 1.98 | 1 | 0 | | |
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. | 2.91 | 4 | 0 | | |
okadaic acid
Okadaic Acid: A specific inhibitor of phosphoserine/threonine protein phosphatase 1 and 2a. It is also a potent tumor promoter. It is produced by DINOFLAGELLATES and causes diarrhetic SHELLFISH POISONING.. okadaic acid : A polycyclic ether that is produced by several species of dinoflagellates, and is known to accumulate in both marine sponges and shellfish. A polyketide, polyether derivative of a C38 fatty acid, it is one of the primary causes of diarrhetic shellfish poisoning (DSP). It is a potent inhibitor of specific protein phosphatases and is known to have a variety of negative effects on cells. | 2 | 1 | 0 | ketal | |
acovenoside a
acovenoside A: Maasai arrow poison from Acokanthera schimperi; RN given refers to(1beta,3beta,5beta)-isomer; structure given in first source. acovenoside A : A cardenolide glycoside that is the 3-(6-deoxy-3-O-methyl-alpha-L-taloside) of 1beta,3beta,14-trihydroxy-5beta-card-20(22)-enolide. | 2.01 | 1 | 0 | | |
araldite
araldite: induces experimental asthma in immunized guinea pigs; RN given refers to araldite; see also record for araldite B | 1.98 | 1 | 0 | | |
agar
Agar: A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.. agar : A complex mixture of polysaccharides extracted from species of red algae. Its two main components are agarose and agaropectin. Agarose is the component responsible for the high-strength gelling properties of agar, while agaropectin provides the viscous properties. | 2.05 | 1 | 0 | | |
hirudin
Hirudin: A 65-residue polypeptide from LEECHES. | 1.99 | 1 | 0 | | |
cyclin d1
Cyclin D1: Protein encoded by the bcl-1 gene which plays a critical role in regulating the cell cycle. Overexpression of cyclin D1 is the result of bcl-1 rearrangement, a t(11;14) translocation, and is implicated in various neoplasms. | 3.8 | 3 | 0 | | |
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. | 2.21 | 1 | 0 | | |
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents. | 1.98 | 1 | 0 | | |
bassianolide
bassianolide: cyclodepsipeptide from mycelia of Beauveria bassiana; inhibits isotonic contractions induced by acetylcholine. bassianolide : A cyclodepsipeptide consisting of a cyclic tetramer of the depsipeptide D-Hiv-N-methyl-L-leucine (where D-Hiv = D-alpha-hydroxyisovaleric acid). Found in the fungal species Beauveria bassiana and Verticillium lecanii, it has insecticidal properties and is used as a commercial biopesticide to control of insects of agricultural, veterinary and medical significance. For elucidation of the structure, see Suzuki et al., Tetrahedron Lett. 1977 v25, 2167-2170. | 2.01 | 1 | 0 | cyclodepsipeptide;
cyclooctadepsipeptide | antineoplastic agent;
fungal metabolite;
insecticide |
dihydrodigoxin
20,22-dihydrodigoxin : A cardanolide glycoside that is the 20,22-dihydro derivative of digoxin. | 2.88 | 4 | 0 | | |
digitonin
Digitonin: A glycoside obtained from Digitalis purpurea; the aglycone is digitogenin which is bound to five sugars. Digitonin solubilizes lipids, especially in membranes and is used as a tool in cellular biochemistry, and reagent for precipitating cholesterol. It has no cardiac effects.. digitonin : A spirostanyl glycoside that is digitogenin in which the 3-hydroxy group is substituted by a beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->2)-[beta-D-xylopyranosyl-(1->3)]-beta-D-glucopyranosyl-(1->4)-beta-D-galactopyranosyl group. It is a steroidal saponin isolated from the foxglove plant, Digitalis purpurea. It is used extensively as a mild non-ionic detergent for extracting proteins from membranes for structure and function studies. | 1.97 | 1 | 0 | | |
thromboplastin
Thromboplastin: Constituent composed of protein and phospholipid that is widely distributed in many tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic pathway of blood coagulation. | 2.68 | 3 | 0 | | |
muramidase
Muramidase: A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17. | 2.4 | 2 | 0 | | |
biotin-16-dutp
[no description available] | 2.05 | 1 | 0 | | |
exudates
Malaysia: A parliamentary democracy with a constitutional monarch in southeast Asia, consisting of 11 states (West Malaysia) on the Malay Peninsula and two states (East Malaysia) on the island of BORNEO. It is also called the Federation of Malaysia. Its capital is Kuala Lumpur. Before 1963 it was the Union of Malaya. It reorganized in 1948 as the Federation of Malaya, becoming independent from British Malaya in 1957 and becoming Malaysia in 1963 as a federation of Malaya, Sabah, Sarawak, and Singapore (which seceded in 1965). The form Malay- probably derives from the Tamil malay, mountain, with reference to its geography. (From Webster's New Geographical Dictionary, 1988, p715 & Room, Brewer's Dictionary of Names, 1992, p329) | 1.97 | 1 | 0 | | |
deoxyguanosine
[no description available] | 2 | 1 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
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. | 1.99 | 1 | 0 | nucleobase analogue;
organic heterobicyclic compound | antimetabolite;
EC 1.17.3.2 (xanthine oxidase) inhibitor;
gout suppressant;
radical scavenger |
7-deaza-2'-deoxyguanosine
7-deaza-2'-deoxyguanosine: structure given in first source | 2 | 1 | 0 | pyrrolopyrimidine | |
pyrazofurin
pirazofurin : A C-glycosyl compound that is 4-hydroxy-1H-pyrazole-5-carboxamide in which the hydrogen at position 3 has been replaced by a beta-D-ribofuranosyl group. | 1.98 | 1 | 0 | C-glycosyl compound;
pyrazoles | antimetabolite;
antimicrobial agent;
antineoplastic agent;
EC 4.1.1.23 (orotidine-5'-phosphate decarboxylase) inhibitor |
trypan blue
Trypan Blue: A diazo-naphthalene sulfonate that is widely used as a stain.. trypan blue : An organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). | 1.99 | 1 | 0 | | |
cyanine dye 3
cyanine dye 3: structures of Cy3 derivatives given in first source | 2.76 | 3 | 0 | | |
chromomycin a3
Chromomycin A3: Glycosidic antibiotic from Streptomyces griseus used as a fluorescent stain of DNA and as an antineoplastic agent. | 1.99 | 1 | 0 | | |
concanavalin a
Concanavalin A: A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures. | 2.38 | 2 | 0 | | |
metallothionein
Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 6.98 | 1 | 0 | | |
dinitrobenzenes
Dinitrobenzenes: Benzene derivatives which are substituted with two nitro groups in the ortho, meta or para positions. | 1.98 | 1 | 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. | 4.39 | 21 | 0 | | |
preproenkephalin
preproenkephalin: initial enkephalin precursor | 7.39 | 2 | 0 | | |