| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
ethylene glycol
Ethylene Glycol: A colorless, odorless, viscous dihydroxy alcohol. It has a sweet taste, but is poisonous if ingested. Ethylene glycol is the most important glycol commercially available and is manufactured on a large scale in the United States. It is used as an antifreeze and coolant, in hydraulic fluids, and in the manufacture of low-freezing dynamites and resins.. ethanediol : Any diol that is ethane or substituted ethane carrying two hydroxy groups.. ethylene glycol : A 1,2-glycol compound produced via reaction of ethylene oxide with water. | 7.96 | 4 | 0 | ethanediol;
glycol | metabolite;
mouse metabolite;
solvent;
toxin |
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. | 2.31 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
benzaldehyde
[no description available] | 2.21 | 1 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
EC 3.5.5.1 (nitrilase) inhibitor;
flavouring agent;
fragrance;
odorant receptor agonist;
plant metabolite |
benzene
[no description available] | 7.4 | 2 | 0 | aromatic annulene;
benzenes;
volatile organic compound | carcinogenic agent;
environmental contaminant;
non-polar solvent |
betaine
glycine betaine : The amino acid betaine derived from glycine. | 2.08 | 1 | 0 | amino-acid betaine;
glycine derivative | fundamental metabolite |
1-butanol
1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 1.99 | 1 | 0 | alkyl alcohol;
primary alcohol;
short-chain primary fatty alcohol | human metabolite;
mouse metabolite;
protic solvent |
butyric acid
Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 2.05 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium metabolite |
carbon monoxide
Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 2.02 | 1 | 0 | carbon oxide;
gas molecular entity;
one-carbon compound | biomarker;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
human metabolite;
ligand;
metabolite;
mitochondrial respiratory-chain inhibitor;
mouse metabolite;
neurotoxin;
neurotransmitter;
P450 inhibitor;
probe;
signalling molecule;
vasodilator agent |
carnitine
[no description available] | 2.08 | 1 | 0 | amino-acid betaine | human metabolite;
mouse metabolite |
methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 3.02 | 4 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
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. | 2.01 | 1 | 0 | tricarboxylic acid | antimicrobial agent;
chelator;
food acidity regulator;
fundamental metabolite |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.05 | 1 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
coumarin
2H-chromen-2-one: coumarin derivative | 8.16 | 5 | 0 | coumarins | fluorescent dye;
human metabolite;
plant metabolite |
lactic acid
Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 3.19 | 5 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite;
Daphnia magna metabolite |
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.55 | 2 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
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 |
glycerol
Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 3.13 | 5 | 0 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
hydrogen carbonate
Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 2.08 | 1 | 0 | carbon oxoanion | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.04 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
hydroxylamine
amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group. | 2.48 | 2 | 0 | hydroxylamines | algal metabolite;
bacterial xenobiotic metabolite;
EC 1.1.3.13 (alcohol oxidase) inhibitor;
EC 4.2.1.22 (cystathionine beta-synthase) inhibitor;
EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor;
nitric oxide donor;
nucleophilic reagent |
indole
[no description available] | 2.05 | 1 | 0 | indole;
polycyclic heteroarene | Escherichia coli metabolite |
thioctic acid
Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 2.06 | 1 | 0 | dithiolanes;
heterocyclic fatty acid;
thia fatty acid | fundamental metabolite;
geroprotector |
nickel
Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2.08 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 1.99 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
nitroxyl
nitroxyl: hydroxamic acid oxidized to nitroxyl free radical. nitroxyl : A nitrogen oxoacid consisting of an oxygen atom double-bonded to an NH group. | 1.97 | 1 | 0 | nitrogen oxoacid | |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.03 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
palmitic acid
Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 7.55 | 2 | 0 | long-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
Daphnia magna metabolite;
EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor;
plant metabolite |
phenol
[no description available] | 7.07 | 1 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite |
porphobilinogen
[no description available] | 2.11 | 1 | 0 | aralkylamino compound;
dicarboxylic acid;
pyrroles | Escherichia coli metabolite;
metabolite;
mouse metabolite |
propionic acid
propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.05 | 1 | 0 | saturated fatty acid;
short-chain fatty acid | antifungal drug |
pyridine
azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.05 | 1 | 0 | azaarene;
mancude organic heteromonocyclic parent;
monocyclic heteroarene;
pyridines | environmental contaminant;
NMR chemical shift reference compound |
succinic acid
Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 1.96 | 1 | 0 | alpha,omega-dicarboxylic acid;
C4-dicarboxylic acid | anti-ulcer drug;
fundamental metabolite;
micronutrient;
nutraceutical;
radiation protective agent |
thymine
[no description available] | 2.07 | 1 | 0 | pyrimidine nucleobase;
pyrimidone | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 8.28 | 6 | 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. | 1.98 | 1 | 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. | 1.98 | 1 | 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. | 2.02 | 1 | 0 | alkanethiol;
primary alcohol | geroprotector |
n-methyl-3,4-methylenedioxyamphetamine
N-Methyl-3,4-methylenedioxyamphetamine: An N-substituted amphetamine analog. It is a widely abused drug classified as a hallucinogen and causes marked, long-lasting changes in brain serotonergic systems. It is commonly referred to as MDMA or ecstasy.. 3,4-methylenedioxymethamphetamine : A member of the class of benzodioxoles that is 1,3-benzodioxole substituted by a 2-(methylamino)propyl group at position 5. | 2.04 | 1 | 0 | amphetamines;
benzodioxoles | neurotoxin |
p-chloromercuribenzoic acid
p-Chloromercuribenzoic Acid: An organic mercurial used as a sulfhydryl reagent. | 6.93 | 1 | 0 | chlorine molecular entity;
mercuribenzoic acid | |
n-acetylphenylalanine
N-acetylphenylalanine: RN given refers to (DL)-isomer. N-acetylphenylalanine : The N-acetyl derivative of phenylalanine. | 2.06 | 1 | 0 | N-acetyl-amino acid;
phenylalanine derivative | antidepressant;
metabolite |
2-amino-4-phosphonobutyric acid
2-amino-4-phosphonobutyric acid: glutamate antagonist in locust muscle; structure; do not confuse with L-AP4, which is the propionic acid version | 1.98 | 1 | 0 | | |
azobenzene
azobenzene: photosensor molecule known to undergo reversible isomerization from trans to cis on illumination with photons of appropriate wavelength; RN given refers to cpd without isomeric designation; structure. (E)-azobenzene : The (E)-isomer of azobenzene.. (Z)-azobenzene : The (Z)-isomer of azobenzene.. azobenzene : A molecule whose structure comprises two phenyl rings linked by a N=N double bond; the parent compound of the azobenzene class of compounds. | 3.15 | 5 | 0 | azobenzenes | |
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. | 7.44 | 2 | 0 | bibenzimidazole;
N-methylpiperazine | anthelminthic drug;
fluorochrome |
verapamil
Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 2.05 | 1 | 0 | aromatic ether;
nitrile;
polyether;
tertiary amino compound | |
carbamazepine
Carbamazepine: A dibenzazepine that acts as a sodium channel blocker. It is used as an anticonvulsant for the treatment of grand mal and psychomotor or focal SEIZURES. It may also be used in the management of BIPOLAR DISORDER, and has analgesic properties.. carbamazepine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine carrying a carbamoyl substituent at the azepine nitrogen, used as an anticonvulsant. | 2.11 | 1 | 0 | dibenzoazepine;
ureas | analgesic;
anticonvulsant;
antimanic drug;
drug allergen;
EC 3.5.1.98 (histone deacetylase) inhibitor;
environmental contaminant;
glutamate transporter activator;
mitogen;
non-narcotic analgesic;
sodium channel blocker;
xenobiotic |
chlorambucil
Chlorambucil: A nitrogen mustard alkylating agent used as antineoplastic for chronic lymphocytic leukemia, Hodgkin's disease, and others. Although it is less toxic than most other nitrogen mustards, it has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (Merck Index, 11th ed). chlorambucil : A monocarboxylic acid that is butanoic acid substituted at position 4 by a 4-[bis(2-chloroethyl)amino]phenyl group. A chemotherapy drug that can be used in combination with the antibody obinutuzumab for the treatment of chronic lymphocytic leukemia. | 2.21 | 1 | 0 | aromatic amine;
monocarboxylic acid;
nitrogen mustard;
organochlorine compound;
tertiary amino compound | alkylating agent;
antineoplastic agent;
carcinogenic agent;
drug allergen;
immunosuppressive agent |
cystamine
[no description available] | 2.1 | 1 | 0 | organic disulfide;
primary amino compound | EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor |
deferoxamine
Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 1.99 | 1 | 0 | acyclic desferrioxamine | bacterial metabolite;
ferroptosis inhibitor;
iron chelator;
siderophore |
dibucaine
Dibucaine: A local anesthetic of the amide type now generally used for surface anesthesia. It is one of the most potent and toxic of the long-acting local anesthetics and its parenteral use is restricted to spinal anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1006). cinchocaine : A monocarboxylic acid amide that is the 2-(diethylamino)ethyl amide of 2-butoxyquinoline-4-carboxylic acid. One of the most potent and toxic of the long-acting local anesthetics, its parenteral use was restricted to spinal anesthesia. It is now generally only used (usually as the hydrochloride) in creams and ointments and in suppositories for temporary relief of pain and itching associated with skin and anorectal conditions. | 1.99 | 1 | 0 | aromatic ether;
monocarboxylic acid amide;
tertiary amino compound | topical anaesthetic |
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. | 2.02 | 1 | 0 | acyclic carboxylic anhydride | |
pentetic acid
Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 2.95 | 4 | 0 | pentacarboxylic acid | copper chelator |
benzophenone
benzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups. | 1.97 | 1 | 0 | benzophenones | photosensitizing agent;
plant metabolite |
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. | 2.53 | 2 | 0 | | |
carbonyl cyanide p-trifluoromethoxyphenylhydrazone
Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone: A proton ionophore that is commonly used as an uncoupling agent in biochemical studies.. carbonyl cyanide p-trifluoromethoxyphenylhydrazone : A hydrazone that is hydrazonomalononitrile in which one of the hydrazine hydrogens is substituted by a p-trifluoromethoxyphenyl group. | 1.99 | 1 | 0 | aromatic ether;
hydrazone;
nitrile;
organofluorine compound | ATP synthase inhibitor;
geroprotector;
ionophore |
fenofibrate
Pharmavit: a polyvitamin product, comprising vitamins A, D2, B1, B2, B6, C, E, nicotinamide, & calcium pantothene; may be a promising agent for application to human populations exposed to carcinogenic and genetic hazards of ionizing radiation; RN from CHEMLINE | 2.08 | 1 | 0 | aromatic ether;
chlorobenzophenone;
isopropyl ester;
monochlorobenzenes | antilipemic drug;
environmental contaminant;
geroprotector;
xenobiotic |
fluorouracil
Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.21 | 1 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
glutaral
Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5. | 2.72 | 3 | 0 | dialdehyde | cross-linking reagent;
disinfectant;
fixative |
guanidine
Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 1.98 | 1 | 0 | carboxamidine;
guanidines;
one-carbon compound | |
lidocaine
Lidocaine: A local anesthetic and cardiac depressant used as an antiarrhythmia agent. Its actions are more intense and its effects more prolonged than those of PROCAINE but its duration of action is shorter than that of BUPIVACAINE or PRILOCAINE.. lidocaine : The monocarboxylic acid amide resulting from the formal condensation of N,N-diethylglycine with 2,6-dimethylaniline. | 2.13 | 1 | 0 | benzenes;
monocarboxylic acid amide;
tertiary amino compound | anti-arrhythmia drug;
drug allergen;
environmental contaminant;
local anaesthetic;
xenobiotic |
iodoacetamide
[no description available] | 3.73 | 10 | 0 | | |
loperamide
Loperamide: One of the long-acting synthetic ANTIDIARRHEALS; it is not significantly absorbed from the gut, and has no effect on the adrenergic system or central nervous system, but may antagonize histamine and interfere with acetylcholine release locally.. loperamide : A synthetic piperidine derivative, effective against diarrhoea resulting from gastroenteritis or inflammatory bowel disease. | 2.06 | 1 | 0 | monocarboxylic acid amide;
monochlorobenzenes;
piperidines;
tertiary alcohol | anticoronaviral agent;
antidiarrhoeal drug;
mu-opioid receptor agonist |
mitoxantrone
Mitoxantrone: An anthracenedione-derived antineoplastic agent.. mitoxantrone : A dihydroxyanthraquinone that is 1,4-dihydroxy-9,10-anthraquinone which is substituted by 6-hydroxy-1,4-diazahexyl groups at positions 5 and 8. | 2.49 | 2 | 0 | dihydroxyanthraquinone | analgesic;
antineoplastic agent |
ethylmaleimide
Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 8.49 | 8 | 0 | maleimides | anticoronaviral agent;
EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor;
EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor;
EC 2.7.1.1 (hexokinase) inhibitor |
phloretin
[no description available] | 1.97 | 1 | 0 | dihydrochalcones | antineoplastic agent;
plant metabolite |
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. | 2.11 | 1 | 0 | phenanthridines;
quaternary ammonium ion | fluorochrome;
intercalator |
suramin
Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties.. suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. | 2.07 | 1 | 0 | naphthalenesulfonic acid;
phenylureas;
secondary carboxamide | angiogenesis inhibitor;
antinematodal drug;
antineoplastic agent;
apoptosis inhibitor;
EC 2.7.11.13 (protein kinase C) inhibitor;
GABA antagonist;
GABA-gated chloride channel antagonist;
purinergic receptor P2 antagonist;
ryanodine receptor agonist;
trypanocidal drug |
tetracaine
Tetracaine: A potent local anesthetic of the ester type used for surface and spinal anesthesia.. tetracaine : A benzoate ester in which 4-N-butylbenzoic acid and 2-(dimethylamino)ethanol have combined to form the ester bond; a local ester anaesthetic (ester caine) used for surface and spinal anaesthesia. | 1.99 | 1 | 0 | benzoate ester;
tertiary amino compound | local anaesthetic |
tetraethylammonium
Tetraethylammonium: A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90) | 2.41 | 2 | 0 | quaternary ammonium ion | |
2,4-thiazolidinedione
thiazolidine-2,4-dione: structure in first source. 1,3-thiazolidine-2,4-dione : A thiazolidenedione carrying oxo substituents at positions 2 and 4. | 2.02 | 1 | 0 | thiazolidenedione | |
8-(4-((2-aminoethyl)aminocarbonylmethyloxy)phenyl)-1,3-dipropylxanthine
8-(4-((2-aminoethyl)aminocarbonylmethyloxy)phenyl)-1,3-dipropylxanthine: adenosine receptor antagonist | 2.11 | 1 | 0 | | |
corticosterone
[no description available] | 1.97 | 1 | 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 |
benzimidazole
1H-benzimidazole : The 1H-tautomer of benzimidazole. | 6.94 | 1 | 0 | benzimidazole;
polycyclic heteroarene | |
hydroxyproline
Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group. | 2.44 | 2 | 0 | 4-hydroxyproline;
L-alpha-amino acid zwitterion | human metabolite;
mouse metabolite;
plant metabolite |
alanine
Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2.21 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
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. | 2.04 | 1 | 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 |
chloramphenicol
Amphenicol: Chloramphenicol and its derivatives. | 2.15 | 1 | 0 | C-nitro compound;
carboxamide;
diol;
organochlorine compound | antibacterial drug;
antimicrobial agent;
Escherichia coli metabolite;
geroprotector;
Mycoplasma genitalium metabolite;
protein synthesis inhibitor |
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. | 2.77 | 3 | 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. | 3.85 | 11 | 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 |
adenosine diphosphate
Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.67 | 3 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-diphosphate | fundamental metabolite;
human metabolite |
galactose
galactopyranose : The pyranose form of galactose. | 2.02 | 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. | 2.03 | 1 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.6 | 1 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
cloxacillin
Cloxacillin: A semi-synthetic antibiotic that is a chlorinated derivative of OXACILLIN.. cloxacillin : A semisynthetic penicillin antibiotic carrying a 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamido group at position 6. | 2.07 | 1 | 0 | penicillin allergen;
penicillin;
semisynthetic derivative | antibacterial agent;
antibacterial drug |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 1.99 | 1 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
methionine
Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.03 | 1 | 0 | aspartate family amino acid;
L-alpha-amino acid;
methionine zwitterion;
methionine;
proteinogenic amino acid | antidote to paracetamol poisoning;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
phenylalanine
Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 2.47 | 2 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
phenylalanine;
proteinogenic amino acid | algal metabolite;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
Escherichia coli metabolite;
human xenobiotic metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
colchicine
(S)-colchicine : A colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. | 2.11 | 1 | 0 | alkaloid;
colchicine | anti-inflammatory agent;
gout suppressant;
mutagen |
dimethyl sulfone
[no description available] | 2.25 | 1 | 0 | sulfone | |
bromoacetate
[no description available] | 2.05 | 1 | 0 | carboxylic acid;
organohalogen compound | |
cytarabine
[no description available] | 2.17 | 1 | 0 | beta-D-arabinoside;
monosaccharide derivative;
pyrimidine nucleoside | antimetabolite;
antineoplastic agent;
antiviral agent;
immunosuppressive agent |
dithionitrobenzoic acid
Dithionitrobenzoic Acid: A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. It is used primarily for the determination of sulfhydryl and disulfide groups in proteins. The color produced is due to the formation of a thio anion, 3-carboxyl-4-nitrothiophenolate.. dithionitrobenzoic acid : An organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. | 2.45 | 2 | 0 | nitrobenzoic acid;
organic disulfide | indicator |
asparagine
Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 2.01 | 1 | 0 | amino acid zwitterion;
asparagine;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
histidine
Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 8.46 | 7 | 0 | amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
threonine
Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 2.44 | 2 | 0 | amino acid zwitterion;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
threonine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 8.32 | 6 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
tryptophan zwitterion;
tryptophan | antidepressant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 2.42 | 2 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
ethane
Ethane: A two carbon alkane with the formula H3C-CH3.. ethane : An alkane comprising of two carbon atoms. | 2.07 | 1 | 0 | alkane;
gas molecular entity | plant metabolite;
refrigerant |
ethylene
Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 2.08 | 1 | 0 | alkene;
gas molecular entity | plant hormone;
refrigerant |
acetylene
[no description available] | 2.77 | 3 | 0 | alkyne;
gas molecular entity;
terminal acetylenic compound | |
methylamine
methyl group : An alkyl group that is the univalent group derived from methane by removal of a hydrogen atom. | 1.98 | 1 | 0 | methylamines;
one-carbon compound;
primary aliphatic amine | mouse metabolite |
trifluoroethanol
Trifluoroethanol: A non-aqueous co-solvent that serves as tool to study protein folding. It is also used in various pharmaceutical, chemical and engineering applications. | 2.06 | 1 | 0 | fluoroalcohol | |
divinyl sulfone
divinyl sulfone: cross-linking reagent for agarose gels. divinyl sulfone : A sulfone compound having two S-vinyl substituents. | 2.61 | 2 | 0 | sulfone | cross-linking reagent |
dimethyl sulfate
dimethyl sulfate: RN given refers to unlabeled cpd; structure. dimethyl sulfate : The dimethyl ester of sulfuric acid. | 2.02 | 1 | 0 | alkyl sulfate | alkylating agent;
immunosuppressive agent |
tromethamine
Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 2.03 | 1 | 0 | primary amino compound;
triol | buffer |
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. | 2.15 | 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. | 2.52 | 2 | 0 | alkadiene;
hemiterpene;
volatile organic compound | plant metabolite |
acrylamide
[no description available] | 2.01 | 1 | 0 | acrylamides;
N-acylammonia;
primary carboxamide | alkylating agent;
carcinogenic agent;
Maillard reaction product;
mutagen;
neurotoxin |
acrylic acid
acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | 2.77 | 3 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
rhodamine b
rhodamine B: RN & N1 from 9th CI Form Index; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7973; TETRAETHYLRHODAMINE was see RHODAMINES 1975-93; use RHODAMINES to search TETRAETHYLRHODAMINE 1975-93. rhodamine B : An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome. | 2.69 | 2 | 0 | organic chloride salt;
xanthene dye | fluorescent probe;
fluorochrome;
histological dye |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.05 | 1 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
quinoline
[no description available] | 2.07 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinolines | |
isatin
tribulin: endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol withdrawal; | 7.08 | 1 | 0 | indoledione | EC 1.4.3.4 (monoamine oxidase) inhibitor;
plant metabolite |
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. | 2.42 | 2 | 0 | benzotriazoles | environmental contaminant;
xenobiotic |
dilactide
dilactide: structure given in first source | 2.1 | 1 | 0 | dioxanes | |
terephthalic acid
terephthalic acid: RN given refers to 1,4-benzenedicarboxylic acid. terephthalic acid : A benzenedicarboxylic acid carrying carboxy groups at positions 1 and 4. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and isophthalic acids. | 2.53 | 2 | 0 | benzenedicarboxylic acid | |
styrene
Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.. styrene : A vinylarene that is benzene carrying a vinyl group. It has been isolated from the benzoin resin produced by Styrax species. | 2.77 | 3 | 0 | styrenes;
vinylarene;
volatile organic compound | mouse metabolite;
mutagen;
plant metabolite |
acrolein
[no description available] | 1.98 | 1 | 0 | enal | herbicide;
human xenobiotic metabolite;
toxin |
propanethiol
propanethiol: RN given refers to parent cpd. propane-1-thiol : An alkanethiol that is propane substituted by a thiol group at position 1. | 2.02 | 1 | 0 | alkanethiol | plant metabolite |
acrylonitrile
[no description available] | 1.98 | 1 | 0 | aliphatic nitrile;
volatile organic compound | antifungal agent;
carcinogenic agent;
fungal metabolite;
mutagen;
polar aprotic solvent |
2-methylpentane
Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. | 2.15 | 1 | 0 | alkane | |
maleic anhydride
Maleic Anhydrides: Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. It is a powerful irritant and causes burns.. maleic anhydride : A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. | 3.3 | 6 | 0 | cyclic dicarboxylic anhydride;
furans | allergen |
cyanuric chloride
cyanuric chloride : A chloro-1,3,5-triazine in which the triazine ring is substituted on each carbon by chlorine. Its main use is in the preparation of the triazine-class pesticides. | 2.06 | 1 | 0 | chloro-1,3,5-triazine;
organochlorine compound | cross-linking reagent |
pyrroles
1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 3.08 | 5 | 0 | pyrrole;
secondary amine | |
furan
furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 3.82 | 10 | 0 | furans;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | carcinogenic agent;
hepatotoxic agent;
Maillard reaction product |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.08 | 1 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
cyclohexane
Cyclohexane: C6H12. cyclohexane : An alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic form of hexane, used as a raw material in the manufacture of nylon. | 2.04 | 1 | 0 | cycloalkane;
volatile organic compound | non-polar solvent |
cyclohexene
cyclohexene : A cycloalkene that is cylohexane with a single double bond. | 2.03 | 1 | 0 | cycloalkene | |
anthracene
acene : A polycyclic aromatic hydrocarbon consisting of fused benzene rings in a rectilinear arrangement.. acenes : Polycyclic aromatic hydrocarbons consisting of fused benzene rings in a rectilinear arrangement and their substitution derivatives. | 2.96 | 4 | 0 | acene;
anthracenes;
ortho-fused tricyclic hydrocarbon | |
1,4-naphthoquinone
naphthoquinone : A polycyclic aromatic ketone metabolite of naphthalene.. 1,4-naphthoquinone : The parent structure of the family of 1,4-naphthoquinones, in which the oxo groups of the quinone moiety are at positions 1 and 4 of the naphthalene ring. Derivatives have pharmacological properties. | 2.11 | 1 | 0 | 1,4-naphthoquinones | |
nitrilotriacetic acid
Nitrilotriacetic Acid: A derivative of acetic acid, N(CH2COOH)3. It is a complexing (sequestering) agent that forms stable complexes with Zn2+. (From Miall's Dictionary of Chemistry, 5th ed.) | 2.49 | 2 | 0 | NTA;
tricarboxylic acid | carcinogenic agent;
nephrotoxic agent |
hexanoic acid
hexanoic acid : A C6, straight-chain saturated fatty acid. | 2.17 | 1 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | human metabolite;
plant metabolite |
3-o-methylglucose
3-O-Methylglucose: A non-metabolizable glucose analogue that is not phosphorylated by hexokinase. 3-O-Methylglucose is used as a marker to assess glucose transport by evaluating its uptake within various cells and organ systems. (J Neurochem 1993;60(4):1498-504). 3-O-methyl-D-glucose : A D-aldohexose that is D-glucose in which the hydrogen of the hydroxy group at position 3 has been substituted by a methyl group. It is a non-metabolisable glucose analogue that is not phosphorylated by hexokinase and is used as a marker to assess glucose transport by evaluating its uptake within various cells and organ systems. | 1.97 | 1 | 0 | D-aldohexose derivative | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 3.03 | 4 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
oxazoles
Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 2.49 | 2 | 0 | 1,3-oxazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
pyridazine
pyridazine: structure given in first source | 2.11 | 1 | 0 | diazine;
pyridazines | |
pyrimidine
pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 2.07 | 1 | 0 | diazine;
pyrimidines | Daphnia magna metabolite |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.72 | 3 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
evans blue
Evans Blue: An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly.. Evans blue : An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence. | 2.13 | 1 | 0 | organic sodium salt | fluorochrome;
histological dye;
sodium channel blocker;
teratogenic agent |
hydantoins
Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.02 | 1 | 0 | imidazolidine-2,4-dione | |
thiazolidines
Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.25 | 1 | 0 | thiazolidine | |
1,2-naphthoquinone
naphthalene-1,2-dione: structure given in first source. 1,2-naphthoquinone : The parent structure of the family of 1,2-naphthoquinones, in which the oxo groups of the quinone moiety are at positions 1 and 2 of the naphthalene ring. It is a metabolite of naphthalene and is found in diesel exhaust particles. | 2.11 | 1 | 0 | 1,2-naphthoquinones | aryl hydrocarbon receptor agonist;
carcinogenic agent |
methamphetamine
Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. | 2.48 | 2 | 0 | amphetamines;
secondary amine | central nervous system stimulant;
environmental contaminant;
neurotoxin;
psychotropic drug;
xenobiotic |
dicyclohexylcarbodiimide
1,3-dicyclohexylcarbodiimide : A carbodiimide compound having a cyclohexyl substituent on both nitrogen atoms. | 2.42 | 2 | 0 | carbodiimide | ATP synthase inhibitor;
cross-linking reagent;
peptide coupling reagent |
1,2-ethanedithiol
1,2-ethanedithiol: RN given refers to 1,2-isomer; RN in Chemline for cpd without locants for thiol groups: 26914-70-9 | 2.02 | 1 | 0 | | |
uranyl acetate
uranyl acetate: used after fixation in uranaffin procedure; RN given refers to parent cpd | 2 | 1 | 0 | | |
trinitrobenzenesulfonic acid
Trinitrobenzenesulfonic Acid: A reagent that is used to neutralize peptide terminal amino groups.. 2,4,6-trinitrobenzenesulfonic acid : The arenesulfonic acid that is benzenesulfonic acid with three nitro substituents in the 2-, 4- and 6-positions. | 2.13 | 1 | 0 | arenesulfonic acid;
C-nitro compound | epitope;
explosive;
reagent |
4-chloromercuribenzenesulfonate
4-Chloromercuribenzenesulfonate: A cytotoxic sulfhydryl reagent that inhibits several subcellular metabolic systems and is used as a tool in cellular physiology. | 2.05 | 1 | 0 | arenesulfonic acid;
arylmercury compound | |
succinimide
succinimide: RN given refers to parent cpd. succinimide : A dicarboximide that is pyrrolidine which is substituted by oxo groups at positions 2 and 5. | 8.68 | 9 | 0 | dicarboximide;
pyrrolidinone | |
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.07 | 1 | 0 | acetylcysteine;
L-cysteine derivative;
N-acetyl-L-amino acid | antidote to paracetamol poisoning;
antiinfective agent;
antioxidant;
antiviral drug;
ferroptosis inhibitor;
geroprotector;
human metabolite;
mucolytic;
radical scavenger;
vulnerary |
2,5-dimethylfuran
2,5-dimethylfuran: metabolite of n-hexane. 2,5-dimethylfuran : A member of the class of furans that is furan in which the hydrogens at positions 2 and 5 are replaced by methyl groups. | 2.47 | 2 | 0 | furans | antifungal agent;
bacterial metabolite;
fuel;
fumigant;
human urinary metabolite;
Maillard reaction product;
plant metabolite |
1-octyne
[no description available] | 2.08 | 1 | 0 | | |
benzydamine
Benzydamine: A benzyl-indazole having analgesic, antipyretic, and anti-inflammatory effects. It is used to reduce post-surgical and post-traumatic pain and edema and to promote healing. It is also used topically in treatment of RHEUMATIC DISEASES and INFLAMMATION of the mouth and throat.. benzydamine : A member of the class of indazoles carrying benzyl and 3-(dimethylamino)propyl groups at positions 1 and 3 respectively. A locally-acting nonsteroidal anti-inflammatory drug that also exhibits local anaesthetic and analgesic properties. | 2.41 | 1 | 0 | aromatic ether;
indazoles;
tertiary amino compound | analgesic;
central nervous system stimulant;
hallucinogen;
local anaesthetic;
non-steroidal anti-inflammatory drug |
deoxycytidine
[no description available] | 2.15 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
deoxyuridine
[no description available] | 2.69 | 2 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
durapatite
Durapatite: The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.. hydroxylapatite : A phosphate mineral with the formula Ca5(PO4)3(OH). | 2.21 | 1 | 0 | | |
cadmium sulfide
[no description available] | 2.01 | 1 | 0 | cadmium molecular entity | |
cupric sulfide
copper(II) sulfide : A copper sulfide in which the metal is in the +2 oxidation state. | 2.21 | 1 | 0 | | |
ammonium hydroxide
Ammonium Hydroxide: The hydroxy salt of ammonium ion. It is formed when AMMONIA reacts with water molecules in solution.. ammonium hydroxide : A solution of ammonia in water. | 2.11 | 1 | 0 | inorganic hydroxy compound | food acidity regulator |
selenomethionine
[no description available] | 2.02 | 1 | 0 | selenoamino acid;
selenomethionines | plant metabolite |
stearylamine
stearylamine: RN given refers to parent cpd. octadecan-1-amine : An 18-carbon primary aliphatic amine. | 2.02 | 1 | 0 | primary aliphatic amine | film-forming compound |
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. | 2.45 | 2 | 0 | organic cation | geroprotector;
herbicide |
2-tert-butylhydroquinone
2-tert-butylhydroquinone: an anticarcinogenic and chemopreventive agent. 2-tert-butylhydroquinone : A member of the class of hydroquinones in which one of the ring hydrogens of hydroquinone is replaced by a tert-butyl group. | 2.05 | 1 | 0 | hydroquinones | food antioxidant |
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. | 8.14 | 5 | 0 | 2-benzofurans;
gamma-lactone;
organic heteropentacyclic compound;
oxaspiro compound;
polyphenol;
xanthene dye | fluorescent dye;
radioopaque medium |
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. | 3.69 | 9 | 0 | fluorescein isothiocyanate | |
n-(4-dimethylamino-3,5-dinitrophenyl)maleimide
[no description available] | 6.93 | 1 | 0 | | |
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. | 3.4 | 7 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
carbonates
Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.49 | 2 | 0 | carbon oxoanion | |
(3-mercaptopropyl)trimethoxysilane
[no description available] | 2.06 | 1 | 0 | | |
limonene
Limonene: A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).. limonene : A monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively. | 7.05 | 1 | 0 | cycloalkene;
p-menthadiene | human metabolite |
lanthanum
[no description available] | 2.05 | 1 | 0 | f-block element atom;
lanthanoid atom;
scandium group element atom | |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.11 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
mercury
Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 2.15 | 1 | 0 | elemental mercury;
zinc group element atom | neurotoxin |
molybdenum
Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 2.03 | 1 | 0 | chromium group element atom | micronutrient |
neodymium
Neodymium: An element of the rare earth family of metals. It has the atomic symbol Nd, atomic number 60, and atomic weight 144.24, and is used in industrial applications. | 2.05 | 1 | 0 | f-block element atom;
lanthanoid atom | |
osmium
Osmium: A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os. | 2.07 | 1 | 0 | iron group element atom;
platinum group metal atom | |
palladium
Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 7.9 | 3 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
platinum
Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 2.06 | 1 | 0 | elemental platinum;
nickel group element atom;
platinum group metal atom | |
rhenium
Rhenium: A metal, atomic number 75, atomic weight 186.207, symbol Re. | 7.43 | 2 | 0 | manganese group element atom | |
rhodium
Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45. | 8.06 | 4 | 0 | cobalt group element atom | |
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. | 7.07 | 1 | 0 | iron group element atom;
platinum group metal atom | |
technetium
Technetium: The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years. | 7.74 | 3 | 0 | manganese group element atom | |
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. | 2.07 | 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. | 2.05 | 1 | 0 | titanium group element atom | |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.01 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
europium
Europium: An element of the rare earth family of metals. It has the atomic symbol Eu, atomic number 63, and atomic weight 152. Europium is used in the form of its salts as coatings for cathode ray tubes and in the form of its organic derivatives as shift reagents in NMR spectroscopy. | 2.44 | 2 | 0 | f-block element atom;
lanthanoid atom | |
gadolinium
Gadolinium: An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors. | 2.17 | 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. | 4.71 | 27 | 0 | copper group element atom;
elemental gold | |
zirconium
Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 2.11 | 1 | 0 | titanium 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. | 2.07 | 1 | 0 | N-acetyl-D-glucosamine | epitope |
camptothecin
NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 2.1 | 1 | 0 | delta-lactone;
pyranoindolizinoquinoline;
quinoline alkaloid;
tertiary alcohol | antineoplastic agent;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
genotoxin;
plant metabolite |
phosphine
phosphane : The simplest phosphine, consisting of a single phosphorus atom with three hydrogens attached.. phosphine : Phosphane (PH3) and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: RPH2, R2PH, R3P (R =/= H) are called primary, secondary and tertiary phosphines, respectively. A specific phosphine is preferably named as a substituted phosphane. | 2.31 | 1 | 0 | mononuclear parent hydride;
phosphanes;
phosphine | carcinogenic agent;
fumigant insecticide |
bromine
Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 2.78 | 3 | 0 | diatomic bromine | |
sodium sulfate
[no description available] | 2.02 | 1 | 0 | inorganic sodium salt | |
chromates
Chromates: Salts of chromic acid containing the CrO(2-)4 radical.. chromate(2-) : A chromium oxoanion resulting from the removal of two protons from chromic acid. | 2.03 | 1 | 0 | chromium oxoanion;
divalent inorganic anion | oxidising agent |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 1.97 | 1 | 0 | dihydrogen | |
fluorine
Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.08 | 1 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
fluorosulfonic acid
perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer | 2.06 | 1 | 0 | sulfur oxoacid | NMR solvent |
molybdate ion
molybdate : A divalent inorganic anion obtained by removal of both protons from molybdic acid | 2.03 | 1 | 0 | divalent inorganic anion;
molybdenum oxoanion | Escherichia coli metabolite |
sulfonyl chloride
[no description available] | 1.98 | 1 | 0 | sulfuryl halide | |
galactose
aldohexose : A hexose with a (potential) aldehyde group at one end. | 1.97 | 1 | 0 | | |
titanium dioxide
titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 2.05 | 1 | 0 | titanium oxides | food colouring |
tiletamine hydrochloride
Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 2.02 | 1 | 0 | | |
daunorubicin
Daunorubicin: A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and others, used in treatment of LEUKEMIA and other NEOPLASMS.. anthracycline : Anthracyclines are polyketides that have a tetrahydronaphthacenedione ring structure attached by a glycosidic linkage to the amino sugar daunosamine.. daunorubicin : A natural product found in Actinomadura roseola. | 2.71 | 3 | 0 | aminoglycoside antibiotic;
anthracycline;
p-quinones;
tetracenequinones | antineoplastic agent;
bacterial 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. | 2.79 | 3 | 0 | benzenes;
phenyl acetates | |
dimedone
dimedone: RN given refers to parent cpd; structure | 2.02 | 1 | 0 | | |
pyrene
pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 3.12 | 5 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe;
persistent organic pollutant |
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. | 2.49 | 2 | 0 | | |
alkenes
[no description available] | 2.8 | 3 | 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. | 2.48 | 2 | 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. | 4.89 | 10 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
enterobactin
[no description available] | 2.03 | 1 | 0 | catechols;
crown compound;
macrotriolide;
polyphenol | bacterial metabolite;
siderophore |
dimethyl suberimidate
Dimethyl Suberimidate: The methyl imidoester of suberic acid used to produce cross links in proteins. Each end of the imidoester will react with an amino group in the protein molecule to form an amidine. | 1.98 | 1 | 0 | | |
s-adenosylmethionine
acylcarnitine: structure in first source. S-adenosyl-L-methioninate : A sulfonium betaine that is a conjugate base of S-adenosyl-L-methionine obtained by the deprotonation of the carboxy group. | 2.08 | 1 | 0 | sulfonium betaine | human metabolite |
paclitaxel
Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 3.18 | 5 | 0 | taxane diterpenoid;
tetracyclic diterpenoid | antineoplastic agent;
human metabolite;
metabolite;
microtubule-stabilising agent |
etoposide
[no description available] | 2.01 | 1 | 0 | beta-D-glucoside;
furonaphthodioxole;
organic heterotetracyclic compound | antineoplastic agent;
DNA synthesis inhibitor |
n-(2-hydroxypropyl)methacrylamide
Duxon: RN given refers to unlabeled cpd | 2.08 | 1 | 0 | | |
quisqualic acid
Quisqualic Acid: An agonist at two subsets of excitatory amino acid receptors, ionotropic receptors that directly control membrane channels and metabotropic receptors that indirectly mediate calcium mobilization from intracellular stores. The compound is obtained from the seeds and fruit of Quisqualis chinensis. | 1.98 | 1 | 0 | non-proteinogenic alpha-amino acid | |
gemcitabine
gemcitabine : A 2'-deoxycytidine having geminal fluoro substituents in the 2'-position. An inhibitor of ribonucleotide reductase, gemcitabine is used in the treatment of various carcinomas, particularly non-small cell lung cancer, pancreatic cancer, bladder cancer and breast cancer. | 2.15 | 1 | 0 | organofluorine compound;
pyrimidine 2'-deoxyribonucleoside | antimetabolite;
antineoplastic agent;
antiviral drug;
DNA synthesis inhibitor;
EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor;
environmental contaminant;
immunosuppressive agent;
photosensitizing agent;
prodrug;
radiosensitizing agent;
xenobiotic |
ethylenesulfonic acid
[no description available] | 2.11 | 1 | 0 | | |
isothiocyanic acid
[no description available] | 1.98 | 1 | 0 | hydracid;
one-carbon compound | |
potassium phosphate
potassium phosphate: used in dental materials and to treat hypophosphatemia; RN given refers to cpd with unspecified MF. tripotassium phosphate : An inorganic potassium salt that is the tripotassium salt of phosphoric acid. | 2.06 | 1 | 0 | inorganic phosphate salt;
inorganic potassium salt | |
8-amino-1,3,6-naphthalenetrisulfonic acid
8-amino-1,3,6-naphthalenetrisulfonic acid: RN given refers to parent cpd | 2.07 | 1 | 0 | | |
chlorin
chlorin: RN given refers to parent cpd; structure. chlorin : A tetrapyrrole fundamental parent that is obtained by formal hydrogenation across the 2,3-double bond of porphyrin. | 7.11 | 1 | 0 | | |
1,2-dipalmitoyl-3-phosphatidylethanolamine
1,2-dipalmitoyl-3-phosphatidylethanolamine: RN given refers to parent cpd without isomeric designation | 2.7 | 3 | 0 | | |
salvin
salvin: a biocyclic diterpenoid; from sage and rosemary (Lamiaceae) | 2.05 | 1 | 0 | abietane diterpenoid;
carbotricyclic compound;
catechols;
monocarboxylic acid | angiogenesis modulating agent;
anti-inflammatory agent;
antineoplastic agent;
antioxidant;
apoptosis inducer;
food preservative;
HIV protease inhibitor;
plant metabolite |
1,2-dipalmitoylphosphatidylglycerol
dipalmitoyl phosphatidylglycerol : A phosphatidylglycerol in which the phosphatidyl acyl groups are both palmitoyl. | 2.02 | 1 | 0 | phosphatidylglycerol | |
1,2-distearoyllecithin
[no description available] | 1.99 | 1 | 0 | | |
peroxynitric acid
[no description available] | 1.99 | 1 | 0 | nitrogen oxoacid | |
glutathione disulfide
Glutathione Disulfide: A GLUTATHIONE dimer formed by a disulfide bond between the cysteine sulfhydryl side chains during the course of being oxidized. | 2.07 | 1 | 0 | glutathione derivative;
organic disulfide | Escherichia coli metabolite;
mouse metabolite |
naphthalimides
Naphthalimides: Compounds with three fused rings that appear like a naphthalene fused to piperidone or like a benz(de)isoquinoline-1,3-dione (not to be confused with BENZYLISOQUINOLINES which have a methyl separating the naphthyl from the benzyl rings). Members are CYTOTOXINS. | 2.11 | 1 | 0 | | |
chromotropic acid
chromotropic acid: RN given refers to parent cpd. chromotropic acid : A naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5. | 2.02 | 1 | 0 | naphthalenediols;
naphthalenesulfonic acid | indicator |
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. | 2.96 | 4 | 0 | 1,2,3-triazole | |
1h-tetrazole
tetrazole : An azaarene that is a five-membered ring composed of 4 nitrogen and 1 carbon atom.. 2H-tetrazole : A tetrazole tautomer where the proton is located on the 2 position. | 2.25 | 1 | 0 | one-carbon compound;
tetrazole | |
4-aminopyrimidine
[no description available] | 2.04 | 1 | 0 | aminopyrimidine | |
vinyl iodide
[no description available] | 2.6 | 1 | 0 | monohaloethene | |
4-cyclopentene-1,3-dione
4-cyclopentene-1,3-dione: induces electrical excitability in crustacean muscle | 2.02 | 1 | 0 | | |
n-methylmaleimide
N-methylmaleimide: structure in first source | 2.02 | 1 | 0 | | |
urazole
urazole: structure in first source | 2.02 | 1 | 0 | | |
n-benzylmaleimide
[no description available] | 2.02 | 1 | 0 | | |
6-carboxyfluorescein
6-carboxyfluorescein: originally sold as 6-carboxyfluorescein, but commercial product is a mixture of two isomers; correct name is 5(6)-carboxyfluorescein | 2.17 | 1 | 0 | monocarboxylic acid | |
4-phenyl-1,2,4-triazoline-3,5-dione
4-phenyl-1,2,4-triazoline-3,5-dione: structure given in first source | 2.02 | 1 | 0 | | |
phenyl vinyl sulfone
phenyl vinyl sulfone: RN and structure in first source | 2.13 | 1 | 0 | | |
n-hydroxysuccinimide
N-hydroxysuccinimide: structure | 3.72 | 9 | 0 | | |
coenzyme a
[no description available] | 2.06 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
cadmium telluride
cadmium telluride: used in radiation monitoring device | 2.03 | 1 | 0 | | |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 8.43 | 6 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
glucuronic acid
Glucuronic Acid: A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES.. D-glucuronic acid : The D-enantiomer of glucuronic acid.. D-glucopyranuronic acid : A D-glucuronic acid in cyclic pyranose form. | 2.11 | 1 | 0 | D-glucuronic acid | algal metabolite |
10-hydroxycamptothecin
[no description available] | 2.1 | 1 | 0 | pyranoindolizinoquinoline | |
combretastatin
combretastatin: cytotoxic principle from South African tree COMBRETUM caffrum; structure given in first source; acts at COLCHICINE site of TUBULIN | 7.11 | 1 | 0 | | |
n-succinimidyl 3-(2-pyridyldithio)propionate
N-succinimidyl 3-(2-pyridyldithio)propionate: heterobifunctional reagent | 2.05 | 1 | 0 | | |
1,2-distearoylphosphatidylethanolamine
1,2-distearoylphosphatidylethanolamine: RN given refers to cpd without isomeric designation. 1,2-distearoylphosphatidylethanolamine : A phosphatidylethanolamine in which the phosphatidyl acyl group at C-1 and C-2 is stearoyl. | 3.47 | 7 | 0 | phosphatidylethanolamine zwitterion;
phosphatidylethanolamine | human metabolite |
yttrium radioisotopes
Yttrium Radioisotopes: Unstable isotopes of yttrium that decay or disintegrate emitting radiation. Y atoms with atomic weights 82-88 and 90-96 are radioactive yttrium isotopes. | 2.44 | 2 | 0 | | |
enkephalin, d-penicillamine (2,5)-
Enkephalin, D-Penicillamine (2,5)-: A disulfide opioid pentapeptide that selectively binds to the DELTA OPIOID RECEPTOR. It possesses antinociceptive activity.. DPDPE : A heterodetic cyclic peptide that is a cyclic enkephalin analogue, having D-penicillaminyl residues located at positions 2 and 5, which form the heterocycle via a disulfide bond. | 2.15 | 1 | 0 | heterodetic cyclic peptide | delta-opioid receptor agonist |
arginyl-glycyl-aspartic acid
arginyl-glycyl-aspartic acid: amino acid sequence of basic unit of widespread cellular recognition system | 3.95 | 12 | 0 | oligopeptide | |
cyanates
Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 2.05 | 1 | 0 | | |
methyllycaconitine
methyllycaconitine: natural toxin from seeds of Delphinium brownii; parasympathomimetic and mild nicotine antagonist; antagonist of alpha-conotoxin-MII sensitive presynaptic nicotinic receptors; potent insecticide; RN refers to (1alpha,4(S),6beta,14alpha,16beta)-isomer | 2.08 | 1 | 0 | | |
1,4,7-tris(carboxymethyl)-1,4,7,10-tetraazacyclododecane
1,4,7-tris(carboxymethyl)-1,4,7,10-tetraazacyclododecane: structure in first source | 2.04 | 1 | 0 | | |
(2-(trimethylammonium)ethyl)methanethiosulfonate
(2-(trimethylammonium)ethyl)methanethiosulfonate: RN given for bromide; used in dopamine analysis | 2 | 1 | 0 | | |
monobromobimane
monobromobimane: fluorescent when reacted with thiol group; RN & N1 from CA Vol 91 Form Index; inhibits platelet calcium-dependent protease activity & the ability of dibucaine-stimulated platelets to support factor X activation; structure in first source. monobromobimane : A pyrazolopyrazole that consists of 1H,7H-pyrazolo[1,2-a]pyrazole-1,7-dione bearing three methyl substituents at positions 2, 5 and 6 as well as a bromomethyl substituent at the 3-position. | 2.02 | 1 | 0 | organobromine compound;
pyrazolopyrazole | fluorochrome |
tris(2-carboxyethyl)phosphine
tris(2-carboxyethyl)phosphine: water-soluble reagent which irreversibly reduces disulfides to thiols at room temperature & is active below neutral pH; used for quantitation of iodine and iodate. TCEP : A tertiary phosphine in which phosphane is substituted with three 2-carboxyethyl groups. It is a commonly used reducing agent. | 8.43 | 7 | 0 | phosphine derivative;
tricarboxylic acid | reducing agent |
1,4,7,10-tetraazacyclododecane- 1,4,7,10-tetraacetic acid
1,4,7,10-tetraazacyclododecane- 1,4,7,10-tetraacetic acid: structure given in first source. DOTA : An azamacrocyle in which four nitrogen atoms at positions 1, 4, 7 and 10 of a twelve-membered ring are each substituted with a carboxymethyl group. | 2.98 | 4 | 0 | azamacrocycle | chelator;
copper chelator |
fluorescein 5-maleimide
[no description available] | 2.1 | 1 | 0 | | |
1-ethyl-3-(3-dimethylaminoethyl)carbodiimide
1-ethyl-3-(3-dimethylaminoethyl)carbodiimide: carboxyl modifying agent | 2.13 | 1 | 0 | | |
imatinib mesylate
imatinib methanesulfonate : A methanesulfonate (mesylate) salt that is the monomesylate salt of imatinib. Used for treatment of chronic myelogenous leukemia and gastrointestinal stromal tumours. | 2.25 | 1 | 0 | methanesulfonate salt | anticoronaviral agent;
antineoplastic agent;
apoptosis inducer;
tyrosine kinase inhibitor |
5-(2-aminoadipyl)cysteinylvaline
5-(2-aminoadipyl)cysteinylvaline: tripeptide present in fermentations of Penicillium chrysogenum; RN given refers to ((D-Val)-(S))-isomer | 2.07 | 1 | 0 | | |
polytrimethylene carbonate
trimethylene carbonate: structure in first source | 2.52 | 2 | 0 | | |
methyl 4-mercaptobutyrimidate
methyl 4-mercaptobutyrimidate: used as a cross-linking agent to study ribosomal proteins, by making disulfide linkages; RN given refers to parent cpd; structure | 2.93 | 1 | 0 | organonitrogen compound;
oxoacid derivative | |
1,4,7-triazacyclononane-n,n',n''-triacetic acid
1,4,7-triazacyclononane-N,N',N''-triacetic acid: structure given in first source | 2.25 | 1 | 0 | | |
4-((bromoacetyl)amino)phenyl arsenoxide
[no description available] | 2.01 | 1 | 0 | | |
glutathione maleimide
[no description available] | 1.97 | 1 | 0 | | |
methotrexate
[no description available] | 2.05 | 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 |
3-(n-maleimidopropionyl)biocytin
3-(N-maleimidopropionyl)biocytin: thiol-specific biotinylating reagent; structure given in first source | 2.01 | 1 | 0 | peptide | |
n-hydroxysuccinimide s-acetylthioacetate
N-hydroxysuccinimide S-acetylthioacetate: introduces sulfhydryl groups into proteins; structure given in first source | 2.58 | 2 | 0 | | |
7-amino-4-methylcoumarin-3-acetate
[no description available] | 2 | 1 | 0 | | |
n-hydroxysulfosuccinimide
N-hydroxysulfosuccinimide: hydrophilic ligand for preparation of active esters | 2.13 | 1 | 0 | | |
fulvene
fulvene: structure. fulvene : An organic cyclic compound that consists of cyclopentadiene bearing a methylene substituent. The parent of the class of fulvenes. | 2.06 | 1 | 0 | fulvenes | |
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. | 2.07 | 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. | 2.03 | 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 |
azidohomoalanine
azidohomoalanine: structure in first source | 2.21 | 1 | 0 | | |
docetaxel anhydrous
Docetaxel: A semisynthetic analog of PACLITAXEL used in the treatment of locally advanced or metastatic BREAST NEOPLASMS and NON-SMALL CELL LUNG CANCER.. docetaxel anhydrous : A tetracyclic diterpenoid that is paclitaxel with the N-benzyloxycarbonyl group replaced by N-tert-butoxycarbonyl, and the acetoxy group at position 10 replaced by a hydroxy group. | 2.17 | 1 | 0 | secondary alpha-hydroxy ketone;
tetracyclic diterpenoid | antimalarial;
antineoplastic agent;
photosensitizing agent |
succinimidyl carbonate
succinimidyl carbonate: activates polyethylene glycol which is coupled to proteins; structure in first source | 2.1 | 1 | 0 | | |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.17 | 1 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
carbodiimides
Carbodiimides: Compounds with the general formula RN=C=NR, where R is a hydrocarbyl group.. methanediimine : A carbodiimide in which both nitrogens are unsubstituted. | 2.13 | 1 | 0 | carbodiimide | |
n-(2-amino-3-(4-isothiocyanatophenyl)propyl)cyclohexane-1,2-diamine-n,n',n',n'',n''-pentaacetic acid
N-(2-amino-3-(4-isothiocyanatophenyl)propyl)cyclohexane-1,2-diamine-N,N',N',N'',N''-pentaacetic acid: used for (111)Indium labeling of monoclonal antibodies; structure in J Chem Soc (Perkin 1) 1992:1173-8; RN given refers to ((1alpha(S*),2beta)-(+-))-isomer | 2.44 | 2 | 0 | | |
diethylenetriaminetetraacetic acid
diethylenetriaminetetraacetic acid: structure given in first source | 2.07 | 1 | 0 | | |
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. | 5.03 | 39 | 0 | biotins;
vitamin B7 | coenzyme;
cofactor;
Escherichia coli metabolite;
fundamental metabolite;
human metabolite;
mouse metabolite;
nutraceutical;
prosthetic group;
Saccharomyces cerevisiae metabolite |
methyl 2-pyridyl disulfide
methyl 2-pyridyl disulfide: structure given in first source | 2.08 | 1 | 0 | | |
lignin
Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 7.57 | 2 | 0 | | |
sb 216763
[no description available] | 2.46 | 2 | 0 | indoles;
maleimides | |
organophosphonates
hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2.54 | 2 | 0 | divalent inorganic anion;
phosphite ion | |
stenine
stenine: from Stemona tuberosa; structure in first source | 7.04 | 1 | 0 | | |
erythrosine isothiocyanate
[no description available] | 1.98 | 1 | 0 | | |
7-aminocoumarin
7-amino coumarin: structure in first source | 2.07 | 1 | 0 | | |
leupeptins
Leupeptins: A group of acylated oligopeptides produced by Actinomycetes that function as protease inhibitors. They have been known to inhibit to varying degrees trypsin, plasmin, KALLIKREINS, papain and the cathepsins. | 2.17 | 1 | 0 | | |
lithium chloride
Lithium Chloride: A salt of lithium that has been used experimentally as an immunomodulator.. lithium chloride : A metal chloride salt with a Li(+) counterion. | 2.06 | 1 | 0 | inorganic chloride;
lithium salt | antimanic drug;
geroprotector |
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. | 2.1 | 1 | 0 | | |
fibrin
Fibrin: A protein derived from FIBRINOGEN in the presence of THROMBIN, which forms part of the blood clot. | 1.96 | 1 | 0 | peptide | |
elastin
[no description available] | 2.76 | 3 | 0 | oligopeptide | |
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. | 7.11 | 1 | 0 | heterodetic cyclic peptide;
peptide hormone | oxytocic;
vasodilator agent |
adenosine 5'-o-(3-thiotriphosphate)
adenosine 5'-O-(3-thiotriphosphate): RN given refers to cpd with unspecified locant for thio group; see also records for 1-thio & 2-thio-isomers. adenosine 5'-[gamma-thio]triphosphate : A nucleoside triphosphate analogue that is ATP in which one of the oxygens attached to 3-phosphate group is replaced by sulfur. | 1.98 | 1 | 0 | nucleoside triphosphate analogue | |
ginsenoside rg1
[no description available] | 2.21 | 1 | 0 | 12beta-hydroxy steroid;
3beta-hydroxy-4,4-dimethylsteroid;
beta-D-glucoside;
ginsenoside;
tetracyclic triterpenoid | neuroprotective agent;
pro-angiogenic agent |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.15 | 1 | 0 | cyclodextrin | |
maleic acid
maleic acid: RN given refers to parent cpd(Z)-isomer which is maleic acid; all RR's given refer to (Z)-isomer; (E)-isomer is fumaric acid. maleic acid : A butenedioic acid in which the double bond has cis- (Z)-configuration. | 2.07 | 1 | 0 | butenedioic acid | algal metabolite;
mouse metabolite;
plant metabolite |
farnesol
Farnesol: A colorless liquid extracted from oils of plants such as citronella, neroli, cyclamen, and tuberose. It is an intermediate step in the biological synthesis of cholesterol from mevalonic acid in vertebrates. It has a delicate odor and is used in perfumery. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). (2-trans,6-trans)-farnesol : The (2-trans,6-trans)-stereoisomer of farnesol.. farnesol : A farnesane sesquiterpenoid that is dodeca-2,6,10-triene substituted by methyl groups at positions 3, 7 and 11 and a hydroxy group at position 1. | 2.6 | 1 | 0 | farnesol | plant metabolite |
fumaramide
[no description available] | 2.31 | 1 | 0 | | |
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. | 2.15 | 1 | 0 | pentapeptide;
peptide zwitterion | analgesic;
delta-opioid receptor agonist;
human metabolite;
mu-opioid receptor agonist;
neurotransmitter;
rat metabolite |
benzyloxycarbonylleucyl-leucyl-leucine aldehyde
benzyloxycarbonylleucyl-leucyl-leucine aldehyde: proteasome inhibitor. N-benzyloxycarbonyl-L-leucyl-L-leucyl-L-leucinal : A tripeptide that is L-leucyl-L-leucyl-L-leucine in which the C-terminal carboxy group has been reduced to the corresponding aldehyde and the N-terminal amino group is protected as its benzyloxycarbonyl derivative. | 2.17 | 1 | 0 | amino aldehyde;
carbamate ester;
tripeptide | proteasome inhibitor |
zn(ii)-phthalocyanine
[no description available] | 2.15 | 1 | 0 | metallophthalocyanine;
zinc tetrapyrrole | fluorochrome |
fumaronitrile
[no description available] | 1.98 | 1 | 0 | | |
stilbenes
Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 2.78 | 3 | 0 | stilbene | |
ricinoleic acid
ricinoleic acid: RN given refers to (R-(Z))-isomer; structure in Merck Index, 9th ed, #8005. ricinoleic acid : A (9Z)-12-hydroxyoctadec-9-enoic acid in which the 12-hydroxy group has R-configuration.. | 7.17 | 1 | 0 | (9Z)-12-hydroxyoctadec-9-enoic acid | |
pyrophosphate
Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 1.98 | 1 | 0 | diphosphate ion | |
rg108
RG108: DNA methyltransferase inhibitor; structure in first source | 7.15 | 1 | 0 | indolyl carboxylic acid | |
rhodanine
2-mercaptothiazolinone: metabolite in urine from persons exposed to CS2; structure | 2.02 | 1 | 0 | thiazolidinone | |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.04 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
tempo
TEMPO: structure. TEMPO : A member of the class of aminoxyls that is piperidine that carries an oxidanediyl group at position 1 and methyl groups at positions 2, 2, 6, and 6, respectively. | 2.44 | 2 | 0 | aminoxyls;
piperidines | catalyst;
ferroptosis inhibitor;
radical scavenger |
3,7,11,15-tetramethyl-1,2,3-hexadecanetriol
3,7,11,15-tetramethyl-1,2,3-hexadecanetriol: structure in first source. phytantriol : A triol that consists of 3,7,11,15-tetramethylhexadecane bearing three hydroxy substituents at positions 1, 2 and 3. | 2.11 | 1 | 0 | triol | |
cystine
[no description available] | 2.77 | 3 | 0 | | |
n,n'-4-xylylenebis(pyridinium)
[no description available] | 2.07 | 1 | 0 | | |
europium cryptate
europium(III) trisbipyridine cryptate: structure given in first source | 1.98 | 1 | 0 | | |
dipyrromethene
dipyrromethene: structure in first source. dipyrrin : A dipyrrin that consists of pyrrole bearing a pyrrol-2-ylidenemethyl substituent at the 2-position. | 7.11 | 1 | 0 | dipyrrins | |
ginsenosides
ginsenoside : Triterpenoid saponins with a dammarane-like skeleton originally isolated from ginseng (Panax) species. Use of the term has been extended to include semi-synthetic derivatives. | 2.21 | 1 | 0 | | |
ovalbumin
Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 2.44 | 2 | 0 | | |
sodium dodecyl sulfate
Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 1.98 | 1 | 0 | organic sodium salt | detergent;
protein denaturant |
fg 9041
FG 9041: structure given in first source | 2.05 | 1 | 0 | quinoxaline derivative | |
4-benzyl-2-methyl-1,2,4-thiadiazolidine-3,5-dione
4-benzyl-2-methyl-1,2,4-thiadiazolidine-3,5-dione: a GSK3beta inhibitor. TDZD-8 : A member of the class of thiadiazolidines that is 1,2,4-thiadiazolidine-3,5-dione which is substituted by a methyl group at position 2 and by a benzyl group at position 4. It is a non-ATP competitive inhibitor of glycogen synthase kinase 3beta (GSK3beta). An experimental compound which was being developed for the potential treatment of Alzheimer's disease. | 2.02 | 1 | 0 | benzenes;
thiadiazolidine | anti-inflammatory agent;
antineoplastic agent;
apoptosis inducer;
EC 2.7.11.26 (tau-protein kinase) inhibitor;
neuroprotective agent |
naphthoquinones
Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.11 | 1 | 0 | | |
cathepsin g
Cathepsin G: A serine protease found in the azurophil granules of NEUTROPHILS. It has an enzyme specificity similar to that of chymotrypsin C. | 2.06 | 1 | 0 | | |
sulfosuccinimidyl 4-(n-maleimidomethyl)cyclohexane-1-carboxylate
[no description available] | 2.13 | 1 | 0 | | |
2-mercaptoacetate
2-mercaptoacetate: RN given refers to parent cpd | 2.07 | 1 | 0 | monocarboxylic acid anion | |
methanethiosulfonate
methanethiosulfonate: used for measurement of rhodanese activity; RN given refers to parent cpd | 2.46 | 2 | 0 | | |
quercetin
[no description available] | 2.47 | 2 | 0 | 7-hydroxyflavonol;
pentahydroxyflavone | antibacterial agent;
antineoplastic agent;
antioxidant;
Aurora kinase inhibitor;
chelator;
EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor;
geroprotector;
phytoestrogen;
plant metabolite;
protein kinase inhibitor;
radical scavenger |
maleamic acid
maleamic acid: structure. maleamic acid : A dicarboxylic acid monoamide of maleamic acid. | 2.15 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid;
dicarboxylic acid monoamide | bacterial xenobiotic metabolite;
Escherichia coli metabolite |
vitamin k semiquinone radical
vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 2.02 | 1 | 0 | | |
11-cis-retinal
Rhodopsin: A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.. 11-cis-retinal : A retinal having 2E,4Z,6E,8E-double bond geometry. | 2.04 | 1 | 0 | retinal | chromophore;
human metabolite;
mouse metabolite |
maytansine
Maytansine: An ansa macrolide isolated from the MAYTENUS genus of East African shrubs.. maytansine : An organic heterotetracyclic compound and 19-membered macrocyclic lactam antibiotic originally isolated from the Ethiopian shrub Maytenus serrata but also found in other Maytenus species. It exhibits cytotoxicity against many tumour cell lines. | 2.49 | 2 | 0 | alpha-amino acid ester;
carbamate ester;
epoxide;
maytansinoid;
organic heterotetracyclic compound;
organochlorine compound | antimicrobial agent;
antimitotic;
antineoplastic agent;
plant metabolite;
tubulin modulator |
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. | 2.13 | 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 |
adp beta s
adenosine 5'-O-(2-thiodiphosphate): partial agonist toward platelet aggregation; see also record for 1-thiodiphosphate cpd | 1.98 | 1 | 0 | | |
kallidin
Kallidin: A decapeptide bradykinin homolog cleaved from kininogen by kallikreins. It is a smooth-muscle stimulant and hypotensive agent that acts by vasodilatation. | 2.04 | 1 | 0 | peptide | |
cytochalasin b
Cytochalasin B: A cytotoxic member of the CYTOCHALASINS.. cytochalasin B : An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments. | 1.97 | 1 | 0 | cytochalasin;
lactam;
lactone;
organic heterotricyclic compound | actin polymerisation inhibitor;
metabolite;
mycotoxin;
platelet aggregation inhibitor |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.02 | 1 | 0 | carbon group element atom;
elemental lead;
metal atom | neurotoxin |
diamide
Diamide: A sulfhydryl reagent which oxidizes sulfhydryl groups to the disulfide form. It is a radiation-sensitizing agent of anoxic bacterial and mammalian cells. | 2.38 | 2 | 0 | 1,1'-azobis(N,N-dimethylformamide) | |
oleylamine
oleylamine: promotes fusion of mouse A(9) fibroblasts; RN given refers to parent cpd with unspecified isomeric designation; structure | 2.02 | 1 | 0 | | |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 7.44 | 2 | 0 | metalloid atom;
pnictogen | micronutrient |
indium
Indium: A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.. indium atom : A metallic element first identified and named from the brilliant indigo (Latin indicum) blue line in its flame spectrum. | 7.1 | 1 | 0 | boron group element 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. | 2.43 | 2 | 0 | chalcogen;
nonmetal atom | macronutrient |
diphenylhexatriene
Diphenylhexatriene: A fluorescent compound that emits light only in specific configurations in certain lipid media. It is used as a tool in the study of membrane lipids. | 1.98 | 1 | 0 | alkatriene | fluorochrome |
fumarates
Fumarates: Compounds based on fumaric acid.. fumarate(2-) : A C4-dicarboxylate that is the E-isomer of but-2-enedioate(2-) | 1.98 | 1 | 0 | butenedioate;
C4-dicarboxylate | human metabolite;
metabolite;
Saccharomyces cerevisiae metabolite |
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 7.75 | 118 | 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]. | 7.78 | 3 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
boron
Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. | 7.72 | 2 | 0 | boron group element atom;
metalloid atom;
nonmetal atom | micronutrient |
biphalin
biphalin: enkephalin dimer; two fragments of Ala(2)-enkephalin are connected by a diamine bridge to form above cpd; structure given in first source | 7.15 | 1 | 0 | | |
carbocyanines
Carbocyanines: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials. | 3.44 | 7 | 0 | cyanine dye;
organic iodide salt | fluorochrome |
tetrodotoxin
Tetrodotoxin: An aminoperhydroquinazoline poison found mainly in the liver and ovaries of fishes in the order TETRAODONTIFORMES, which are eaten. The toxin causes paresthesia and paralysis through interference with neuromuscular conduction.. tetrodotoxin : A quinazoline alkaloid that is a marine toxin isolated from fish such as puffer fish. It has been shown to exhibit potential neutotoxicity due to its ability to block voltage-gated sodium channels. | 7.17 | 1 | 0 | azatetracycloalkane;
oxatetracycloalkane;
quinazoline alkaloid | animal metabolite;
bacterial metabolite;
marine metabolite;
neurotoxin;
voltage-gated sodium channel blocker |
selenocysteine
Selenocysteine: A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino acid.. selenocysteine : An alpha-amino acid that consists of alanine where one of the methyl hydrogens is substituted with a seleno group. | 2.49 | 2 | 0 | | |
tellurium
Tellurium: An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression. | 2.03 | 1 | 0 | chalcogen;
metalloid atom | |
1-palmitoyl-2-oleoylphosphatidylcholine
1-palmitoyl-2-oleoylphosphatidylcholine: RN given refers to (Z)-isomer | 2.21 | 1 | 0 | | |
bafilomycin a1
bafilomycin A1: from Streptomyces griseus; structure given in first source. bafilomycin A1 : The most used of the bafilomycins, a family of toxic macrolide antibiotics derived from Streptomyces griseus. | 1.99 | 1 | 0 | cyclic hemiketal;
macrolide antibiotic;
oxanes | apoptosis inducer;
autophagy inhibitor;
bacterial metabolite;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
EC 3.6.3.14 (H(+)-transporting two-sector ATPase) inhibitor;
ferroptosis inhibitor;
fungicide;
potassium ionophore;
toxin |
4-acetamido-4'-maleimidylstilbene-2,2'-disulfonic acid
4-acetamido-4'-maleimidylstilbene-2,2'-disulfonic acid: used to label cysteine sulfhydryl groups | 2.02 | 1 | 0 | | |
beta-escin
[no description available] | 2.06 | 1 | 0 | | |
gadolinium dtpa
Gadolinium DTPA: A complex of gadolinium with a chelating agent, diethylenetriamine penta-acetic acid (DTPA see PENTETIC ACID), that is given to enhance the image in cranial and spinal MRIs. (From Martindale, The Extra Pharmacopoeia, 30th ed, p706) | 2.17 | 1 | 0 | gadolinium coordination entity | MRI contrast agent |
morphinans
Morphinans: Compounds based on a partially saturated iminoethanophenanthrene, which can be described as ethylimino-bridged benzo-decahydronaphthalenes. They include some of the OPIOIDS found in PAPAVER that are used as ANALGESICS. | 2.1 | 1 | 0 | isoquinoline alkaloid fundamental parent;
morphinane alkaloid | |
flag peptide
FLAG peptide: engineered as a tag for immunoaffinity purification of genetically-engineered proteins; amino acid sequence given in first source; a polar octapeptide. FLAG peptide : An eight amino acid peptide consisting of L-aspartic acid, L-tyrosine, L-lysine, four L-aspartic acid residues, and L-lysine joined in sequence by peptide linkages. It is widely used as a fusion tag for the purification and detection of a wide variety of recombinant proteins. | 2.08 | 1 | 0 | peptide | |
4-(n-(s-glutathionylacetyl)amino)phenylarsenoxide
4-(N-(S-glutathionylacetyl)amino)phenylarsenoxide: structure in first source | 2.01 | 1 | 0 | glutathione derivative | |
tetramethylrhodamine
tetramethylrhodamine: RN given refers to perchlorate; structure | 2.07 | 1 | 0 | xanthene dye | |
aluminum oxide
Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. | 2.1 | 1 | 0 | | |
phosphoramidite
phosphoramidite: structure in first source. phosphoramidite : A compound with the general formula (RO)2PNR2. Phosphoramidites can be regarded as phosphites that have an NR2 instead of an OH group, or as amides of phosphorous acid. | 2.07 | 1 | 0 | | |
artenimol
artenimol: derivative of antimalarial drug artemisinin (quinghaosu) | 2.15 | 1 | 0 | | |
alpha-synuclein
alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 2.17 | 1 | 0 | | |
ngr peptide
[no description available] | 2.08 | 1 | 0 | | |
oxadiazoles
Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 2.54 | 2 | 0 | | |
ribose
ribopyranose : The pyranose form of ribose. | 2.03 | 1 | 0 | D-ribose;
ribopyranose | |
acebutolol
alpha-D-glucosyl-(1->4)-alpha-D-mannose : An alpha-D-glucosyl-(1->4)-D-mannopyranose in which the anomeric hydroxy group has alpha configuration. | 2.41 | 2 | 0 | alpha-D-glucosyl-(1->4)-D-mannopyranose | |
epoxomicin
[no description available] | 2.15 | 1 | 0 | morpholines;
tripeptide | proteasome inhibitor |
monomethyl auristatin e
[no description available] | 2.89 | 3 | 0 | | |
neotuberostemonine
neotuberostemonine: from Stemona collinsae; structure in first source | 2.01 | 1 | 0 | alkaloid | metabolite |
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. | 2.15 | 1 | 0 | | |
pituitrin
Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 1.98 | 1 | 0 | | |
erythrosine
Erythrosine: A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE.. erythrosin B : An organic sodium salt that is the disodium salt of 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydroxanthen-9-yl)benzoic acid. | 1.98 | 1 | 0 | | |
3-azabicyclo(3.1.0)hexane
3-azabicyclo(3.1.0)hexane: structure in first source | 2.15 | 1 | 0 | | |
cytochrome c-t
Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.04 | 1 | 0 | | |
calcitonin
[no description available] | 2.21 | 1 | 0 | | |
melitten
Melitten: Basic polypeptide from the venom of the honey bee (Apis mellifera). It contains 26 amino acids, has cytolytic properties, causes contracture of muscle, releases histamine, and disrupts surface tension, probably due to lysis of cell and mitochondrial membranes. | 2.15 | 1 | 0 | | |
enfuvirtide
Enfuvirtide: A synthetic 36-amino acid peptide that corresponds to the heptad repeat sequence of HIV-1 gp41. It blocks HIV cell fusion and viral entry and is used with other anti-retrovirals for combination therapy of HIV INFECTIONS and AIDS.. enfuvirtide : A synthetic 36-amino acid peptide consisting of N-acetyltyrosyl, threonyl, seryl, leucyl, isoleucyl, histidyl, seryl, leucyl, isoleucyl, alpha-glutamyl, alpha-glutamyl, seryl, glutaminyl, asparaginyl, glutaminyl, glutaminyl, alpha-glutamyl, lysyl, asparaginyl, alpha-glutamyl, alpha-glutamyl, alpha-glutamyl, leucyl, leucyl, alpha-glutamyl, leucyl, alpha-aspartyl, lysyl, tryptophyl, alanyl, seryl, leucyl, tryptophyl, asparaginyl, tryptophyl, and phenylalaninamide residues joined in sequence. An HIV fusion inhibitor, it was the first of a novel class of antiretroviral drugs used in combination therapy for the treatment of HIV-1 infection. It interferes with entry of HIV into cells by binding to the gp41 sub-unit of the viral envelope glycoprotein, so inhibiting fusion of viral and cellular membranes. | 2.02 | 1 | 0 | | |
cecropin p1-li
cecropin P1-LI: antibacterial peptide isolated from porcine intestine; has immunoreactivity in epithelial cells of duodenum & glucagon cells of the pancreas | 2.99 | 4 | 0 | | |
thymalfasin
Thymalfasin: A thymus hormone polypeptide found in thymosin fraction 5 (a crude thymus gland extract) but now produced by synthesis. It is used alone or with interferon as an immunomodulator for the treatment of CHRONIC HEPATITIS B and HEPATITIS C. Thymalfasin is also used for the treatment of chemotherapy-induced immunosuppression, and to enhance the efficacy of influenza and hepatitis B vaccines in immunocompromised patients. | 2.03 | 1 | 0 | polypeptide | |
oligonucleotides
[no description available] | 3.99 | 13 | 0 | | |
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 3.23 | 5 | 0 | glycoside | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 3.13 | 5 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
atractyloside
Atractyloside: A glycoside of a kaurene type diterpene that is found in some plants including Atractylis gummifera (ATRACTYLIS); COFFEE; XANTHIUM, and CALLILEPIS. Toxicity is due to inhibition of ADENINE NUCLEOTIDE TRANSLOCASE. | 1.97 | 1 | 0 | | |
chitosan
[no description available] | 8.38 | 6 | 0 | | |
mitindomide
mitindomide: structure given in first source | 6.96 | 1 | 0 | | |
mersalyl
Mersalyl: A toxic thiol mercury salt formerly used as a diuretic. It inhibits various biochemical functions, especially in mitochondria, and is used to study those functions. | 1.96 | 1 | 0 | | |
oxymatrine
oxymatrine: structure in first source; has anti-apoptosis effects | 2.1 | 1 | 0 | | |
4,4-difluoro-4-bora-3a,4a-diaza-s-indacene
[no description available] | 3.15 | 5 | 0 | BODIPY compound | |
nonaarginine
[no description available] | 2.07 | 1 | 0 | | |
alexa fluor 546
Alexa fluor 546: a fluorescent dye | 2.07 | 1 | 0 | organic heteropentacyclic compound | fluorochrome |
3-(4-fluorophenylethylamino)-1-methyl-4-(2-methyl-1h-indol-3-yl)-1h-pyrrole-2,5-dione
3-(4-fluorophenylethylamino)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione: inhibits GSK-3beta; structure in first source | 2.05 | 1 | 0 | maleimides;
organonitrogen compound;
organooxygen compound | |
glycolipids
[no description available] | 2.08 | 1 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 2.07 | 1 | 0 | | |
thymosin
Thymosin: Thymosin. A family of heat-stable, polypeptide hormones secreted by the thymus gland. Their biological activities include lymphocytopoiesis, restoration of immunological competence and enhancement of expression of T-cell characteristics and function. They have therapeutic potential in patients having primary or secondary immunodeficiency diseases, cancer or diseases related to aging. | 2.03 | 1 | 0 | | |
exenatide
Exenatide: A synthetic form of exendin-4, a 39-amino acid peptide isolated from the venom of the Gila monster lizard (Heloderma suspectum). Exenatide increases CYCLIC AMP levels in pancreatic acinar cells and acts as a GLUCAGON-LIKE PEPTIDE-1 RECEPTOR (GLP-1) agonist and incretin mimetic, enhancing insulin secretion in response to increased glucose levels; it also suppresses inappropriate glucagon secretion and slows gastric emptying. It is used an anti-diabetic and anti-obesity agent. | 3.21 | 5 | 0 | | |
tetracycline
Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 2.02 | 1 | 0 | | |
warfarin
Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 3.77 | 10 | 0 | benzenes;
hydroxycoumarin;
methyl ketone | |
nickel nitrilotriacetic acid
[no description available] | 2.17 | 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. | 2.47 | 2 | 0 | | |
clay
Clay: A naturally-occurring rock or soil constituent characterized by particles with a diameter of less than 0.005 mm. It is composed primarily of hydrous aluminum silicates, trace amounts of metal OXIDES, and organic matter. | 2.41 | 1 | 0 | | |
saxitoxin
Saxitoxin: A compound that contains a reduced purine ring system but is not biosynthetically related to the purine alkaloids. It is a poison found in certain edible mollusks at certain times; elaborated by GONYAULAX and consumed by mollusks, fishes, etc. without ill effects. It is neurotoxic and causes RESPIRATORY PARALYSIS and other effects in MAMMALS, known as paralytic SHELLFISH poisoning.. saxitoxin : An alkaloid isolated from the marine dinoflagellates and cyanobacteria that causes paralytic shellfish poisoning. | 7.08 | 1 | 0 | alkaloid;
carbamate ester;
guanidines;
ketone hydrate;
paralytic shellfish toxin;
pyrrolopurine | cyanotoxin;
marine metabolite;
neurotoxin;
sodium channel blocker;
toxin |
ferricrocin
ferricrocin: close structural analog of ferrichrome, mediating iron uptake with same rate. ferricrocin : A member of the class of ferrichromes that is an iron(III) chelate of the homodetic cyclic hexapeptide cyclo(glycyl-L-serylglycyl-N(5)-acetyl-N(5)-hydroxy-L-ornithyl-N(5)-acetyl-N(5)-hydroxy-L-ornithyl-N(5)-acetyl-N(5)-hydroxy-L-ornithyl). | 2.02 | 1 | 0 | | |
thailanstatin a
[no description available] | 2.13 | 1 | 0 | C-glycosyl compound | |
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. | 2.02 | 1 | 0 | | |
oligomycins
Oligomycins: A closely related group of toxic substances elaborated by various strains of Streptomyces. They are 26-membered macrolides with lactone moieties and double bonds and inhibit various ATPases, causing uncoupling of phosphorylation from mitochondrial respiration. Used as tools in cytochemistry. Some specific oligomycins are RUTAMYCIN, peliomycin, and botrycidin (formerly venturicidin X). | 1.97 | 1 | 0 | | |
adrenomedullin
Adrenomedullin: A 52-amino acid peptide with multi-functions. It was originally isolated from PHEOCHROMOCYTOMA and ADRENAL MEDULLA but is widely distributed throughout the body including lung and kidney tissues. Besides controlling fluid-electrolyte homeostasis, adrenomedullin is a potent vasodilator and can inhibit pituitary ACTH secretion. | 2.31 | 1 | 0 | | |
carboxyatractyloside
carboxyatractyloside: RN given refers to parent cpd; structure | 1.97 | 1 | 0 | | |
aconitine
Aconitine: A C19 norditerpenoid alkaloid (DITERPENES) from the root of ACONITUM; DELPHINIUM and larkspurs. It activates VOLTAGE-GATED SODIUM CHANNELS. It has been used to induce ARRHYTHMIAS in experimental animals and it has anti-inflammatory and anti-neuralgic properties.. aconitine : A diterpenoid that is 20-ethyl-3alpha,13,15alpha-trihydroxy-1alpha,6alpha,16beta-trimethoxy-4-(methoxymethyl)aconitane-8,14alpha-diol having acetate and benzoate groups at the 8- and 14-positions respectively. | 2.08 | 1 | 0 | | |
dodecaborate
dodecaborate: RN given for disodium salt; structure in first source | 7.21 | 1 | 0 | | |
orabase
Orabase: used in therapy of oral mucosal ulcers | 2.41 | 1 | 0 | | |
apyrase
Apyrase: A calcium-activated enzyme that catalyzes the hydrolysis of ATP to yield AMP and orthophosphate. It can also act on ADP and other nucleoside triphosphates and diphosphates. EC 3.6.1.5. | 2.08 | 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. | 2.21 | 1 | 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. | 3.33 | 6 | 0 | | |
lewis y antigen
[no description available] | 2.02 | 1 | 0 | | |
chondroitin sulfates
Chondroitin Sulfates: Derivatives of chondroitin which have a sulfate moiety esterified to the galactosamine moiety of chondroitin. Chondroitin sulfate A, or chondroitin 4-sulfate, and chondroitin sulfate C, or chondroitin 6-sulfate, have the sulfate esterified in the 4- and 6-positions, respectively. Chondroitin sulfate B (beta heparin; DERMATAN SULFATE) is a misnomer and this compound is not a true chondroitin sulfate. | 2.57 | 2 | 0 | | |
cyclic gmp
Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 2.02 | 1 | 0 | 3',5'-cyclic purine nucleotide;
guanyl ribonucleotide | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
folic acid
folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 3.48 | 2 | 0 | folic acids;
N-acyl-amino acid | human metabolite;
mouse metabolite;
nutrient |
8-bromocyclic gmp
8-bromo-3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic GMP bearing an additional bromo substituent at position 8 on the guanine ring. A membrane permeable cGMP analogue that activates protein kinase G (PKG). It is 4.3-fold more potent than cGMP in activating PKG1alpha and promotes relaxation of tracheal and vascular smooth muscle tissue in vitro. | 2.02 | 1 | 0 | 3',5'-cyclic purine nucleotide;
organobromine compound | muscle relaxant;
protein kinase G agonist |
cyanine dye 3
cyanine dye 3: structures of Cy3 derivatives given in first source | 2.73 | 3 | 0 | | |
acetylcellulose
acetylcellulose: coating compound. cellulose acetate : A glucan derivative obtained through the esterification of cellulose by acetic anhydride or acetic acid, resulting in the substitution of some of the hydroxy groups of cellulose by acetyl groups. It is used in a variety of applications including base material for photographic film, clothing, membrane filters, coatings, food packaging, and as a frame material for eyeglasses. | 2.1 | 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. | 2.15 | 1 | 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. | 2.01 | 1 | 0 | | |
thrombin aptamer
thrombin aptamer: nucleotide sequence given in first source; a synthetic polynucleotide | 2.1 | 1 | 0 | | |