| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
ethylene dichloride
ethylene dichloride: RN given refers to 1,2-isomer; structure given in first source. 1,2-dichloroethane : A member of the class of chloroethanes substituted by two chloro groups at positions 1 and 2. | 1.96 | 1 | 0 | chloroethanes | hepatotoxic agent;
mutagen;
non-polar solvent |
3-hydroxyanthranilic acid
3-Hydroxyanthranilic Acid: An oxidation product of tryptophan metabolism. It may be a free radical scavenger and a carcinogen.. 3-hydroxyanthranilic acid : An aminobenzoic acid that is benzoic acid substituted at C-2 by an amine group and at C-3 by a hydroxy group. It is an intermediate in the metabolism of the amino acid tryptophan.. 3-hydroxyanthranilate : A hydroxybenzoate that is the conjugate base of 3-hydroxyanthranilic acid. | 1.96 | 1 | 0 | aminobenzoic acid;
monohydroxybenzoic acid | human metabolite;
mouse metabolite |
3-hydroxybenzaldehyde
[no description available] | 2.05 | 1 | 0 | hydroxybenzaldehyde | |
phosphoserine
Phosphoserine: The phosphoric acid ester of serine. | 2.67 | 3 | 0 | non-proteinogenic alpha-amino acid;
O-phosphoamino acid;
serine derivative | human metabolite |
gamma-aminobutyric acid
gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.91 | 4 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
acetaldehyde
Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 2.39 | 2 | 0 | aldehyde | carcinogenic agent;
EC 3.5.1.4 (amidase) inhibitor;
electron acceptor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
mutagen;
oxidising agent;
Saccharomyces cerevisiae metabolite;
teratogenic agent |
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 1.95 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
adenine
[no description available] | 2.63 | 3 | 0 | 6-aminopurines;
purine nucleobase | Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
adipic acid
adipic acid : An alpha,omega-dicarboxylic acid that is the 1,4-dicarboxy derivative of butane. | 1.98 | 1 | 0 | alpha,omega-dicarboxylic acid;
dicarboxylic fatty acid | food acidity regulator;
human xenobiotic metabolite |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.35 | 2 | 0 | azane;
gas molecular entity;
mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant |
beta-alanine
[no description available] | 2.37 | 2 | 0 | amino acid zwitterion;
beta-amino acid | agonist;
fundamental metabolite;
human metabolite;
inhibitor;
neurotransmitter |
benzene
[no description available] | 4.01 | 15 | 0 | aromatic annulene;
benzenes;
volatile organic compound | carcinogenic agent;
environmental contaminant;
non-polar solvent |
bromide
Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) | 2.15 | 1 | 0 | halide anion;
monoatomic bromine | |
cadaverine
[no description available] | 1.97 | 1 | 0 | alkane-alpha,omega-diamine | Daphnia magna metabolite;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite |
carbamates
[no description available] | 1.95 | 1 | 0 | amino-acid anion | |
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. | 2.36 | 2 | 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 |
formic acid
formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 2.04 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
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). | 3.67 | 10 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
choline
[no description available] | 7.84 | 4 | 0 | cholines | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter;
nutrient;
plant metabolite;
Saccharomyces cerevisiae metabolite |
citric acid, anhydrous
Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 1.94 | 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. | 2.66 | 3 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
hydrochloric acid
Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 3.04 | 5 | 0 | chlorine molecular entity;
gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
coumarin
2H-chromen-2-one: coumarin derivative | 2.06 | 1 | 0 | coumarins | fluorescent dye;
human metabolite;
plant metabolite |
salicylic acid
Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 2.44 | 2 | 0 | monohydroxybenzoic acid | algal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite |
2,3-diaminopropionic acid
3-aminoalanine : A diamino acid that is alanine in which one of the hydrogens of the methyl group is replaced by an amino group. | 1.97 | 1 | 0 | alanine derivative;
amino acid zwitterion;
beta-amino acid;
diamino acid;
non-proteinogenic alpha-amino acid | Escherichia coli metabolite |
4-aminophenol
4-aminophenol: RN given refers to parent cpd. 4-aminophenol : An amino phenol (one of the three possible isomers) which has the single amino substituent located para to the phenolic -OH group. | 1.92 | 1 | 0 | aminophenol | allergen;
metabolite |
cytosine
[no description available] | 2.39 | 2 | 0 | aminopyrimidine;
pyrimidine nucleobase;
pyrimidone | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae 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. | 2.04 | 1 | 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. | 2.88 | 4 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 4.66 | 5 | 0 | aldehyde;
one-carbon compound | allergen;
carcinogenic agent;
disinfectant;
EC 3.5.1.4 (amidase) inhibitor;
environmental contaminant;
Escherichia coli metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
glycine
[no description available] | 3.98 | 5 | 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. | 1.96 | 1 | 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. | 2.37 | 2 | 0 | carbon oxoanion | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
histamine
[no description available] | 2.37 | 2 | 0 | aralkylamino compound;
imidazoles | human metabolite;
mouse metabolite;
neurotransmitter |
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. | 1.92 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
imidazole
imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 1.98 | 1 | 0 | imidazole | |
indole
[no description available] | 2.05 | 1 | 0 | indole;
polycyclic heteroarene | Escherichia coli metabolite |
indol-3-yl pyruvic acid
3-(indol-3-yl)pyruvic acid : A 2-oxo monocarboxylic acid that is pyruvic acid substituted by a 1H-indol-3-yl group at position 3. It has been found in Lycopersicon esculentum | 2.05 | 1 | 0 | 2-oxo monocarboxylic acid;
indol-3-yl carboxylic acid | plant metabolite;
Saccharomyces cerevisiae metabolite |
iodine
Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.64 | 3 | 0 | diatomic iodine | nutrient |
dihydroxyphenylalanine
Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring. | 2.34 | 2 | 0 | hydroxyphenylalanine;
non-proteinogenic alpha-amino acid;
tyrosine derivative | human metabolite |
kynurenine
Kynurenine: A metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway.. kynurenine : A ketone that is alanine in which one of the methyl hydrogens is substituted by a 2-aminobenzoyl group. | 2.34 | 2 | 0 | aromatic ketone;
non-proteinogenic alpha-amino acid;
substituted aniline | human metabolite |
pyruvaldehyde
Pyruvaldehyde: An organic compound used often as a reagent in organic synthesis, as a flavoring agent, and in tanning. It has been demonstrated as an intermediate in the metabolism of acetone and its derivatives in isolated cell preparations, in various culture media, and in vivo in certain animals.. methylglyoxal : A 2-oxo aldehyde derived from propanal. | 2.04 | 1 | 0 | 2-oxo aldehyde;
propanals | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 3.04 | 1 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
melatonin
[no description available] | 2.44 | 2 | 0 | acetamides;
tryptamines | anticonvulsant;
central nervous system depressant;
geroprotector;
hormone;
human metabolite;
immunological adjuvant;
mouse metabolite;
radical scavenger |
croton oil
[no description available] | 2.34 | 2 | 0 | N-acyl-hexosamine | |
acetanilide
acetanilide: a phenylacetamide; use ACETANILIDES for the plural group meaning of the singular term. N-phenylacetamide : A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen is substituted by a phenyl group. | 1.93 | 1 | 0 | acetamides;
anilide | analgesic |
naphthalene
[no description available] | 7.33 | 2 | 0 | naphthalenes;
ortho-fused bicyclic arene | apoptosis inhibitor;
carcinogenic agent;
environmental contaminant;
mouse metabolite;
plant metabolite;
volatile oil component |
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. | 3.35 | 7 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
niacinamide
nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.34 | 2 | 0 | pyridine alkaloid;
pyridinecarboxamide;
vitamin B3 | anti-inflammatory agent;
antioxidant;
cofactor;
EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
Escherichia coli metabolite;
geroprotector;
human urinary metabolite;
metabolite;
mouse metabolite;
neuroprotective agent;
Saccharomyces cerevisiae metabolite;
Sir2 inhibitor |
niacin
Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. | 2.33 | 2 | 0 | pyridine alkaloid;
pyridinemonocarboxylic acid;
vitamin B3 | antidote;
antilipemic drug;
EC 3.5.1.19 (nicotinamidase) inhibitor;
Escherichia coli metabolite;
human urinary metabolite;
metabolite;
mouse metabolite;
plant metabolite;
vasodilator agent |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.64 | 3 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
orotic acid
Orotic Acid: An intermediate product in PYRIMIDINE synthesis which plays a role in chemical conversions between DIHYDROFOLATE and TETRAHYDROFOLATE.. orotic acid : A pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. | 3.95 | 14 | 0 | pyrimidinemonocarboxylic acid | Escherichia coli metabolite;
metabolite;
mouse 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. | 2.37 | 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 |
parathion
[no description available] | 1.95 | 1 | 0 | C-nitro compound;
organic thiophosphate;
organothiophosphate insecticide | acaricide;
agrochemical;
avicide;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
mouse metabolite |
pentachlorophenol
PENTA: structure given in first source | 2.37 | 2 | 0 | aromatic fungicide;
chlorophenol;
organochlorine pesticide;
pentachlorobenzenes | human xenobiotic metabolite |
phenol
[no description available] | 1.97 | 1 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite |
phosphoenolpyruvate
Phosphoenolpyruvate: A monocarboxylic acid anion derived from selective deprotonation of the carboxy group of phosphoenolpyruvic acid. It is a metabolic intermediate in GLYCOLYSIS; GLUCONEOGENESIS; and other pathways.. phosphoenolpyruvate : A monocarboxylic acid anion resuting from selective deprotonation of the carboxy group of phosphoenolpyruvic acid.. phosphoenolpyruvic acid : A monocarboxylic acid that is acrylic acid substituted by a phosphonooxy group at position 2. It is a metabolic intermediate in pathways like glycolysis and gluconeogenesis. | 1.94 | 1 | 0 | carboxyalkyl phosphate;
monocarboxylic acid | fundamental metabolite |
purine
1H-purine : The 1H-tautomer of purine.. 3H-purine : The 3H-tautomer of purine.. 9H-purine : The 9H-tautomer of purine.. 7H-purine : The 7H-tautomer of purine. | 1.94 | 1 | 0 | purine | |
putrescine
[no description available] | 3.05 | 5 | 0 | alkane-alpha,omega-diamine | antioxidant;
fundamental metabolite |
pyridine
azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 7.33 | 2 | 0 | azaarene;
mancude organic heteromonocyclic parent;
monocyclic heteroarene;
pyridines | environmental contaminant;
NMR chemical shift reference compound |
pyridoxal phosphate
Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. | 1.96 | 1 | 0 | methylpyridines;
monohydroxypyridine;
pyridinecarbaldehyde;
vitamin B6 phosphate | coenzyme;
cofactor;
EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
pyridoxine
4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol: structure in first source. vitamin B6 : Any member of the group of pyridines that exhibit biological activity against vitamin B6 deficiency. Vitamin B6 deficiency is associated with microcytic anemia, electroencephalographic abnormalities, dermatitis with cheilosis (scaling on the lips and cracks at the corners of the mouth) and glossitis (swollen tongue), depression and confusion, and weakened immune function. Vitamin B6 consists of the vitamers pyridoxine, pyridoxal, and pyridoxamine and their respective 5'-phosphate esters (and includes their corresponding ionized and salt forms). | 1.96 | 1 | 0 | hydroxymethylpyridine;
methylpyridines;
monohydroxypyridine;
vitamin B6 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
thiosulfates
Thiosulfates: Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.. thiosulfate(2-) : A divalent inorganic anion obtained by removal of both protons from thiosulfuric acid. | 1.99 | 1 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | human metabolite |
dithionite
Dithionite: Dithionite. The dithionous acid ion and its salts. | 2.21 | 1 | 0 | sulfur oxide;
sulfur oxoanion | |
spermidine
[no description available] | 2.87 | 4 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
spermine
[no description available] | 2.36 | 2 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
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. | 2.37 | 2 | 0 | alpha,omega-dicarboxylic acid;
C4-dicarboxylic acid | anti-ulcer drug;
fundamental metabolite;
micronutrient;
nutraceutical;
radiation protective agent |
sulfur dioxide
Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 2.02 | 1 | 0 | sulfur oxide | Escherichia coli metabolite;
food bleaching agent;
refrigerant |
taurine
[no description available] | 3.06 | 5 | 0 | amino sulfonic acid;
zwitterion | antioxidant;
Escherichia coli metabolite;
glycine receptor agonist;
human metabolite;
mouse metabolite;
nutrient;
radical scavenger;
Saccharomyces cerevisiae metabolite |
thiophane
[no description available] | 2.03 | 1 | 0 | saturated organic heteromonocyclic parent;
tetrahydrothiophenes | |
thymine
[no description available] | 2.06 | 1 | 0 | pyrimidine nucleobase;
pyrimidone | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 3.55 | 9 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
tryptamine
[no description available] | 2.05 | 1 | 0 | aminoalkylindole;
aralkylamino compound;
indole alkaloid;
tryptamines | human metabolite;
mouse metabolite;
plant metabolite |
uracil
2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 1.94 | 1 | 0 | pyrimidine nucleobase;
pyrimidone | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prodrug;
Saccharomyces cerevisiae metabolite |
uric acid
Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 1.94 | 1 | 0 | uric acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 3.45 | 8 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
1-anilino-8-naphthalenesulfonate
1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.35 | 2 | 0 | aminonaphthalene;
naphthalenesulfonic acid | fluorescent probe |
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. | 2.35 | 2 | 0 | alkanethiol;
primary alcohol | geroprotector |
amitrole
Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 2.38 | 2 | 0 | aromatic amine;
triazoles | carotenoid biosynthesis inhibitor;
EC 1.11.1.6 (catalase) inhibitor;
herbicide |
3-methylcholanthrene
Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 12.64 | 53 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
4,5,6,7-tetrabromo-2-azabenzimidazole
4,5,6,7-tetrabromobenzotriazole: a CK2 kinase inhibitor | 2.05 | 1 | 0 | | |
5,5-dimethyl-1-pyrroline-1-oxide
5,5-dimethyl-1-pyrroline-1-oxide: do not confuse with DMPO (4',5'-dihydroxy-7-methoxy-4-phenyl-5,2'-oxidocoumarin). 5,5-dimethyl-1-pyrroline N-oxide : A member of the class of 1-pyrroline nitrones (1-pyrroline N-oxides) resulting from the formal N-oxidation of 5,5-dimethyl-1-pyrroline. Used as a spin trap for the study of radicals formed by enzymatic acetaldehyde oxidation. | 2.03 | 1 | 0 | 1-pyrroline nitrones | neuroprotective agent;
spin trapping reagent |
hydroxyindoleacetic acid
(5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 1.99 | 1 | 0 | indole-3-acetic acids | drug metabolite;
human metabolite;
mouse metabolite |
amantadine
amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.41 | 1 | 0 | adamantanes;
primary aliphatic amine | analgesic;
antiparkinson drug;
antiviral drug;
dopaminergic agent;
NMDA receptor antagonist;
non-narcotic analgesic |
diatrizoic acid
Diatrizoate: A commonly used x-ray contrast medium. As DIATRIZOATE MEGLUMINE and as Diatrizoate sodium, it is used for gastrointestinal studies, angiography, and urography.. amidotrizoic acid : A member of the class of benzoic acids that is benzoic acid having iodo substituents at the 2-, 4- and 6-positions and acetamido substituents at the 3- and 5-positions. It is used, mainly as its N-methylglucamine and sodium salts, as an X-ray contrast medium in gastrointestinal studies, angiography, and urography. | 1.98 | 1 | 0 | acetamides;
benzoic acids;
organoiodine compound | environmental contaminant;
radioopaque medium;
xenobiotic |
aminoglutethimide
Aminoglutethimide: An aromatase inhibitor that is used in the treatment of advanced BREAST CANCER.. aminoglutethimide : A dicarboximide that is a six-membered cyclic compound having ethyl and 4-aminophenyl substituents at the 3-position. | 1.94 | 1 | 0 | dicarboximide;
piperidones;
substituted aniline | adrenergic agent;
anticonvulsant;
antineoplastic agent;
EC 1.14.14.14 (aromatase) inhibitor |
theophylline
[no description available] | 2.35 | 2 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
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. | 4.67 | 30 | 0 | azobenzenes | |
barbital
5,5-diethylbarbituric acid : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by two ethyl groups. Formerly used as a hypnotic (sleeping aid). | 1.99 | 1 | 0 | barbiturates | drug allergen |
benzo(a)pyrene
Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 2.66 | 3 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
beta-naphthoflavone
beta-Naphthoflavone: A polyaromatic hydrocarbon inducer of P4501A1 and P4501A2 cytochromes. (Proc Soc Exp Biol Med 1994 Dec:207(3):302-308). beta-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. | 1.96 | 1 | 0 | extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
bisacodyl
Bisacodyl: A diphenylmethane stimulant laxative used for the treatment of CONSTIPATION and for bowel evacuation. (From Martindale, The Extra Pharmacopoeia, 30th ed, p871) | 2.38 | 2 | 0 | diarylmethane | |
caffeine
[no description available] | 1.94 | 1 | 0 | purine alkaloid;
trimethylxanthine | adenosine A2A receptor antagonist;
adenosine receptor antagonist;
adjuvant;
central nervous system stimulant;
diuretic;
EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
environmental contaminant;
food additive;
fungal metabolite;
geroprotector;
human blood serum metabolite;
mouse metabolite;
mutagen;
plant metabolite;
psychotropic drug;
ryanodine receptor agonist;
xenobiotic |
chlorpromazine
Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup.. chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. | 8.03 | 5 | 0 | organochlorine compound;
phenothiazines;
tertiary amine | anticoronaviral agent;
antiemetic;
dopaminergic antagonist;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
phenothiazine antipsychotic drug |
cimetidine
Cimetidine: A histamine congener, it competitively inhibits HISTAMINE binding to HISTAMINE H2 RECEPTORS. Cimetidine has a range of pharmacological actions. It inhibits GASTRIC ACID secretion, as well as PEPSIN and GASTRIN output.. cimetidine : A member of the class of guanidines that consists of guanidine carrying a methyl substituent at position 1, a cyano group at position 2 and a 2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl group at position 3. It is a H2-receptor antagonist that inhibits the production of acid in stomach. | 2.01 | 1 | 0 | aliphatic sulfide;
guanidines;
imidazoles;
nitrile | adjuvant;
analgesic;
anti-ulcer drug;
H2-receptor antagonist;
P450 inhibitor |
clofibrate
angiokapsul: contains clofibrate & insoitolnicotinate | 1.96 | 1 | 0 | aromatic ether;
ethyl ester;
monochlorobenzenes | anticholesteremic drug;
antilipemic drug;
geroprotector;
PPARalpha agonist |
cystamine
[no description available] | 2 | 1 | 0 | organic disulfide;
primary amino compound | EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor |
amphetamine
Amphetamine: A powerful central nervous system stimulant and sympathomimetic. Amphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulation of release of monamines, and inhibiting monoamine oxidase. Amphetamine is also a drug of abuse and a psychotomimetic. The l- and the d,l-forms are included here. The l-form has less central nervous system activity but stronger cardiovascular effects. The d-form is DEXTROAMPHETAMINE.. 1-phenylpropan-2-amine : A primary amine that is isopropylamine in which a hydrogen attached to one of the methyl groups has been replaced by a phenyl group.. amphetamine : A racemate comprising equimolar amounts of (R)-amphetamine (also known as levamphetamine or levoamphetamine) and (S)-amphetamine (also known as dexamfetamine or dextroamphetamine. | 2.37 | 2 | 0 | primary amine | |
eflornithine
Eflornithine: An inhibitor of ORNITHINE DECARBOXYLASE, the rate limiting enzyme of the polyamine biosynthetic pathway.. eflornithine : A fluoroamino acid that is ornithine substituted by a difluoromethyl group at position 2. | 1.98 | 1 | 0 | alpha-amino acid;
fluoroamino acid | trypanocidal drug |
ddt
1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 2.34 | 2 | 0 | benzenoid aromatic compound;
chlorophenylethane;
monochlorobenzenes;
organochlorine insecticide | bridged diphenyl acaricide;
carcinogenic agent;
endocrine disruptor;
persistent organic pollutant |
dichlorvos
Dichlorvos: An organophosphorus insecticide that inhibits ACETYLCHOLINESTERASE.. dichlorvos : An alkenyl phosphate that is the 2,2-dichloroethenyl ester of dimethyl phosphate. | 1.95 | 1 | 0 | alkenyl phosphate;
dialkyl phosphate;
organochlorine acaricide;
organophosphate insecticide | anthelminthic drug;
antibacterial agent;
antifungal agent;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor |
diphenhydramine
Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 2.34 | 2 | 0 | ether;
tertiary amino compound | anti-allergic agent;
antidyskinesia agent;
antiemetic;
antiparkinson drug;
antipruritic drug;
antitussive;
H1-receptor antagonist;
local anaesthetic;
muscarinic antagonist;
oneirogen;
sedative |
benzophenone
benzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups. | 2.05 | 1 | 0 | benzophenones | photosensitizing agent;
plant metabolite |
disulfiram
[no description available] | 1.95 | 1 | 0 | organic disulfide;
organosulfur acaricide | angiogenesis inhibitor;
antineoplastic agent;
apoptosis inducer;
EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor;
EC 3.1.1.1 (carboxylesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
ferroptosis inducer;
fungicide;
NF-kappaB inhibitor |
emodin
Emodin: Purgative anthraquinone found in several plants, especially RHAMNUS PURSHIANA. It was formerly used as a laxative, but is now used mainly as a tool in toxicity studies.. emodin : A trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs. | 2.05 | 1 | 0 | trihydroxyanthraquinone | antineoplastic agent;
laxative;
plant metabolite;
tyrosine kinase inhibitor |
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. | 3.64 | 9 | 0 | | |
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 | 2.44 | 2 | 0 | aromatic ether;
chlorobenzophenone;
isopropyl ester;
monochlorobenzenes | antilipemic drug;
environmental contaminant;
geroprotector;
xenobiotic |
fluconazole
Fluconazole: Triazole antifungal agent that is used to treat oropharyngeal CANDIDIASIS and cryptococcal MENINGITIS in AIDS.. fluconazole : A member of the class of triazoles that is propan-2-ol substituted at position 1 and 3 by 1H-1,2,4-triazol-1-yl groups and at position 2 by a 2,4-difluorophenyl group. It is an antifungal drug used for the treatment of mucosal candidiasis and for systemic infections including systemic candidiasis, coccidioidomycosis, and cryptococcosis. | 1.93 | 1 | 0 | conazole antifungal drug;
difluorobenzene;
tertiary alcohol;
triazole antifungal drug | environmental contaminant;
P450 inhibitor;
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. | 2.38 | 2 | 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. | 3.48 | 2 | 0 | dialdehyde | cross-linking reagent;
disinfectant;
fixative |
glutethimide
Glutethimide: A hypnotic and sedative. Its use has been largely superseded by other drugs. | 1.94 | 1 | 0 | piperidines | |
halothane
[no description available] | 1.95 | 1 | 0 | haloalkane;
organobromine compound;
organochlorine compound;
organofluorine compound | inhalation anaesthetic |
heptaminol
Heptaminol: An amino alcohol that has been used as a myocardial stimulant and vasodilator and to relieve bronchospasm. Its most common therapeutic use is in orthostatic hypotension. The mechanism of heptaminol's therapeutic actions is not well understood although it has been suggested to affect catecholamine release or calcium metabolism. | 1.96 | 1 | 0 | tertiary alcohol | |
hexobarbital
Hexobarbital: A barbiturate that is effective as a hypnotic and sedative.. hexobarbital : A member of the class of barbiturates taht is barbituric acid substituted at N-1 by methyl and at C-5 by methyl and cyclohex-1-enyl groups. | 3.04 | 5 | 0 | barbiturates | |
p-hydroxyamphetamine
p-Hydroxyamphetamine: Amphetamine metabolite with sympathomimetic effects. It is sometimes called alpha-methyltyramine, which may also refer to the meta isomer, gepefrine. | 2 | 1 | 0 | amphetamines | |
indomethacin
Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.44 | 2 | 0 | aromatic ether;
indole-3-acetic acids;
monochlorobenzenes;
N-acylindole | analgesic;
drug metabolite;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
gout suppressant;
non-steroidal anti-inflammatory drug;
xenobiotic metabolite;
xenobiotic |
iproniazid
[no description available] | 6.94 | 1 | 0 | carbohydrazide;
pyridines | |
isoniazid
Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 1.93 | 1 | 0 | carbohydrazide | antitubercular agent;
drug allergen |
isoproterenol
Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 2.64 | 3 | 0 | catechols;
secondary alcohol;
secondary amino compound | beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent |
juglone
juglone: structure. juglone : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogen at position 5 has been replaced by a hydroxy group. A plant-derived 1,4-naphthoquinone with confirmed antibacterial and antitumor activities. | 2.44 | 2 | 0 | hydroxy-1,4-naphthoquinone | geroprotector;
herbicide;
reactive oxygen species generator |
kojic acid
[no description available] | 2.02 | 1 | 0 | 4-pyranones;
enol;
primary alcohol | Aspergillus metabolite;
EC 1.10.3.1 (catechol oxidase) inhibitor;
EC 1.10.3.2 (laccase) inhibitor;
EC 1.13.11.24 (quercetin 2,3-dioxygenase) inhibitor;
EC 1.14.18.1 (tyrosinase) inhibitor;
EC 1.4.3.3 (D-amino-acid oxidase) inhibitor;
NF-kappaB inhibitor;
skin lightening agent |
kynurenic acid
Kynurenic Acid: A broad-spectrum excitatory amino acid antagonist used as a research tool.. kynurenic acid : A quinolinemonocarboxylic acid that is quinoline-2-carboxylic acid substituted by a hydroxy group at C-4. | 1.95 | 1 | 0 | monohydroxyquinoline;
quinolinemonocarboxylic acid | G-protein-coupled receptor agonist;
human metabolite;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist;
Saccharomyces cerevisiae metabolite |
lauric acid
dodecanoic acid : A straight-chain, twelve-carbon medium-chain saturated fatty acid with strong bactericidal properties; the main fatty acid in coconut oil and palm kernel oil. | 2.37 | 2 | 0 | medium-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
antibacterial agent;
plant metabolite |
mechlorethamine
nitrogen mustard : Compounds having two beta-haloalkyl groups bound to a nitrogen atom, as in (X-CH2-CH2)2NR. | 2.85 | 4 | 0 | nitrogen mustard;
organochlorine compound | alkylating agent |
meperidine
Meperidine: A narcotic analgesic that can be used for the relief of most types of moderate to severe pain, including postoperative pain and the pain of labor. Prolonged use may lead to dependence of the morphine type; withdrawal symptoms appear more rapidly than with morphine and are of shorter duration.. pethidine : A piperidinecarboxylate ester that is piperidine which is substituted by a methyl group at position 1 and by phenyl and ethoxycarbonyl groups at position 4. It is an analgesic which is used for the treatment of moderate to severe pain, including postoperative pain and labour pain. | 1.94 | 1 | 0 | ethyl ester;
piperidinecarboxylate ester;
tertiary amino compound | antispasmodic drug;
kappa-opioid receptor agonist;
mu-opioid receptor agonist;
opioid analgesic |
mescaline
Mescaline: Hallucinogenic alkaloid isolated from the flowering heads (peyote) of Lophophora (formerly Anhalonium) williamsii, a Mexican cactus used in Indian religious rites and as an experimental psychotomimetic. Among its cellular effects are agonist actions at some types of serotonin receptors. It has no accepted therapeutic uses although it is legal for religious use by members of the Native American Church.. mescaline : A phenethylamine alkaloid that is phenethylamine substituted at positions 3, 4 and 5 by methoxy groups. | 1.94 | 1 | 0 | methoxybenzenes;
phenethylamine alkaloid;
primary amino compound | hallucinogen |
metaproterenol
Metaproterenol: A beta-2 adrenergic agonist used in the treatment of ASTHMA and BRONCHIAL SPASM.. orciprenaline : A racemate composed of equimolar amounts of (R)- and (S)-orciprenaline. Used (as its sulfate salt) to relax the airway muscles and improve breathing for patients suffering from asthma or bronchitis.. 5-[1-hydroxy-2-(isopropanylamino)ethyl]benzene-1,3-diol : A member of the class of resorcinols bearing an additional 1-hydroxy-2-(isopropanylamino)ethyl substituent at position 5 of resorcinol itself. | 1.96 | 1 | 0 | aralkylamino compound;
phenylethanolamines;
resorcinols;
secondary alcohol;
secondary amino compound | |
methyl methanesulfonate
[no description available] | 2.39 | 2 | 0 | methanesulfonate ester | alkylating agent;
apoptosis inducer;
carcinogenic agent;
genotoxin;
mutagen |
metyrapone
Metyrapone: An inhibitor of the enzyme STEROID 11-BETA-MONOOXYGENASE. It is used as a test of the feedback hypothalamic-pituitary mechanism in the diagnosis of CUSHING SYNDROME.. metyrapone : An aromatic ketone that is 3,3-dimethylbutan-2-one in which the methyl groups at positions 1 and 4 are replaced by pyridin-3-yl groups. A steroid 11beta-monooxygenase (EC 1.14.15.4) inhibitor, it is used in the diagnosis of adrenal insufficiency. | 1.94 | 1 | 0 | aromatic ketone | antimetabolite;
diagnostic agent;
EC 1.14.15.4 (steroid 11beta-monooxygenase) inhibitor |
ethylmaleimide
Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.96 | 1 | 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 |
clorgyline
Clorgyline: An antidepressive agent and monoamine oxidase inhibitor related to PARGYLINE.. clorgyline : An aromatic ether that is the 2,4-dichlorophenyl ether of 3-aminopropan-1-ol in which the nitrogen is substituted by a methyl group and a prop-1-yn-3-yl group. A monoamine oxidase inhibitor, it was formerly used as an antidepressant. | 2.87 | 4 | 0 | aromatic ether;
dichlorobenzene;
terminal acetylenic compound;
tertiary amino compound | antidepressant;
EC 1.4.3.4 (monoamine oxidase) inhibitor |
nifedipine
Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 2.05 | 1 | 0 | C-nitro compound;
dihydropyridine;
methyl ester | calcium channel blocker;
human metabolite;
tocolytic agent;
vasodilator agent |
masoprocol
nordihydroguaretic acid: antioxidant compound found in the creosote bush (Larrea tridentata) | 2.44 | 2 | 0 | catechols;
lignan;
tetrol | antioxidant;
ferroptosis inhibitor;
geroprotector;
plant metabolite |
oxyphenbutazone
Oxyphenbutazone: A non-steroidal anti-inflammatory drug. Oxyphenbutazone eyedrops have been used abroad in the management of postoperative ocular inflammation, superficial eye injuries, and episcleritis. (From AMA, Drug Evaluations Annual, 1994, p2000) It had been used by mouth in rheumatic disorders such as ankylosing spondylitis, osteoarthritis, and rheumatoid arthritis but such use is no longer considered justified owing to the risk of severe hematological adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p27). oxyphenbutazone : A metabolite of phenylbutazone obtained by hydroxylation at position 4 of one of the phenyl rings. Commonly used (as its hydrate) to treat pain, swelling and stiffness associated with arthritis and gout, it was withdrawn from the market 1984 following association with blood dyscrasis and Stevens-Johnson syndrome. | 1.94 | 1 | 0 | phenols;
pyrazolidines | antimicrobial agent;
antineoplastic agent;
antipyretic;
drug metabolite;
gout suppressant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic metabolite |
aminosalicylic acid
Aminosalicylic Acid: An antitubercular agent often administered in association with ISONIAZID. The sodium salt of the drug is better tolerated than the free acid.. 4-aminosalicylic acid : An aminobenzoic acid that is salicylic acid substituted by an amino group at position 4. | 2.34 | 2 | 0 | aminobenzoic acid;
phenols | antitubercular agent |
pargyline
Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 2.36 | 2 | 0 | aromatic amine | |
perphenazine
Perphenazine: An antipsychotic phenothiazine derivative with actions and uses similar to those of CHLORPROMAZINE.. perphenazine : A phenothiazine derivative in which the phenothiazine tricycle carries a chloro substituent at the 2-position and a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at N-10. | 2.44 | 2 | 0 | N-(2-hydroxyethyl)piperazine;
N-alkylpiperazine;
organochlorine compound;
phenothiazines | antiemetic;
dopaminergic antagonist;
phenothiazine antipsychotic drug |
phenobarbital
Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 10.05 | 43 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
phenolsulfonphthalein
Phenolsulfonphthalein: Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.. phenol red : 3H-2,1-Benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxyphenyl groups. A pH indicator changing colour from yellow below pH 6.8 to bright pink above pH 8.2, it is commonly used as an indicator in cell cultures and in home swimming pool test kits. It is also used in the (now infrequently performed) phenolsulfonphthalein (PSP) test for estimation of overall blood flow through the kidney. | 2.74 | 3 | 0 | 2,1-benzoxathiole;
arenesulfonate ester;
phenols;
sultone | acid-base indicator;
diagnostic agent;
two-colour indicator |
phenylbutazone
Phenylbutazone: A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS.. phenylbutazone : A member of the class of pyrazolidines that is 1,2-diphenylpyrazolidine-3,5-dione carrying a butyl group at the 4-position. | 1.97 | 1 | 0 | pyrazolidines | antirheumatic drug;
EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor;
metabolite;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
peripheral nervous system drug |
o-phthalaldehyde
o-Phthalaldehyde: A reagent that forms fluorescent conjugation products with primary amines. It is used for the detection of many biogenic amines, peptides, and proteins in nanogram quantities in body fluids.. phthalaldehyde : A dialdehyde in which two formyl groups are attached to adjacent carbon centres on a benzene ring. | 2.89 | 4 | 0 | benzaldehydes;
dialdehyde | epitope |
potassium chloride
Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.. potassium chloride : A metal chloride salt with a K(+) counterion. | 1.94 | 1 | 0 | inorganic chloride;
inorganic potassium salt;
potassium salt | fertilizer |
proadifen
Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 2.35 | 2 | 0 | diarylmethane | |
propranolol
Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. | 2.64 | 3 | 0 | naphthalenes;
propanolamine;
secondary amine | anti-arrhythmia drug;
antihypertensive agent;
anxiolytic drug;
beta-adrenergic antagonist;
environmental contaminant;
human blood serum metabolite;
vasodilator agent;
xenobiotic |
stearic acid
octadecanoic acid : A C18 straight-chain saturated fatty acid component of many animal and vegetable lipids. As well as in the diet, it is used in hardening soaps, softening plastics and in making cosmetics, candles and plastics. | 1.94 | 1 | 0 | long-chain fatty acid;
saturated fatty acid;
straight-chain saturated fatty acid | algal metabolite;
Daphnia magna metabolite;
human metabolite;
plant metabolite |
sulfamethazine
Sulfamethazine: A sulfanilamide anti-infective agent. It has a spectrum of antimicrobial action similar to other sulfonamides.. sulfamethazine : A sulfonamide consisting of pyrimidine with methyl substituents at the 4- and 6-positions and a 4-aminobenzenesulfonamido group at the 2-position. | 1.99 | 1 | 0 | pyrimidines;
sulfonamide antibiotic;
sulfonamide | antibacterial drug;
antiinfective agent;
antimicrobial agent;
carcinogenic agent;
drug allergen;
EC 2.5.1.15 (dihydropteroate synthase) inhibitor;
environmental contaminant;
ligand;
xenobiotic |
sulfanilamide
[no description available] | 1.94 | 1 | 0 | substituted aniline;
sulfonamide antibiotic;
sulfonamide | antibacterial agent;
drug allergen;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
sulfobromophthalein
Sulfobromophthalein: A phenolphthalein that is used as a diagnostic aid in hepatic function determination. | 1.93 | 1 | 0 | 2-benzofurans;
organobromine compound;
organosulfonic acid;
phenols | dye |
suxibuzone
suxibuzone : A pyrazolidine that is phenylbutazone which is substituted by a 3-carboxypropanoylmethyl group at the 4-position. Suxibuzone is a prodrug for phenylbutazone and is commonly used as an anti-inflammatory drug in horses. | 1.97 | 1 | 0 | hemisuccinate;
monocarboxylic acid;
pyrazolidines | antirheumatic drug;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
peripheral nervous system drug;
prodrug |
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. | 1.94 | 1 | 0 | benzoate ester;
tertiary amino compound | local anaesthetic |
thalidomide
Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.. thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.. 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group. | 1.94 | 1 | 0 | phthalimides;
piperidones | |
tranexamic acid
Tranexamic Acid: Antifibrinolytic hemostatic used in severe hemorrhage. | 1.99 | 1 | 0 | amino acid | |
tyramine
[no description available] | 2 | 1 | 0 | monoamine molecular messenger;
primary amino compound;
tyramines | EC 3.1.1.8 (cholinesterase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter |
urethane
[no description available] | 4.66 | 5 | 0 | carbamate ester | fungal metabolite;
mutagen |
zinc chloride
zinc chloride: RN given refers to parent cpd. zinc dichloride : A compound of zinc and chloride ions in the ratio 1:2. It exists in four crystalline forms, in each of which the Zn(2+) ions are trigonal planar coordinated to four chloride ions. | 1.98 | 1 | 0 | inorganic chloride;
zinc molecular entity | astringent;
disinfectant;
EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor;
Lewis acid |
corticosterone
[no description available] | 2.35 | 2 | 0 | 11beta-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
lysergic acid diethylamide
Lysergic Acid Diethylamide: Semisynthetic derivative of ergot (Claviceps purpurea). It has complex effects on serotonergic systems including antagonism at some peripheral serotonin receptors, both agonist and antagonist actions at central nervous system serotonin receptors, and possibly effects on serotonin turnover. It is a potent hallucinogen, but the mechanisms of that effect are not well understood.. lysergic acid diethylamide : An ergoline alkaloid arising from formal condensation of lysergic acid with diethylamine. | 1.94 | 1 | 0 | ergoline alkaloid;
monocarboxylic acid amide;
organic heterotetracyclic compound | dopamine agonist;
hallucinogen;
serotonergic agonist |
reserpine
Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. | 2.63 | 3 | 0 | alkaloid ester;
methyl ester;
yohimban alkaloid | adrenergic uptake inhibitor;
antihypertensive agent;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
environmental contaminant;
first generation antipsychotic;
plant metabolite;
xenobiotic |
thymidine
[no description available] | 4.51 | 25 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse metabolite |
2-aminophenol
[no description available] | 1.92 | 1 | 0 | aminophenol | bacterial metabolite |
hydroxyproline
Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group. | 3.36 | 7 | 0 | 4-hydroxyproline;
L-alpha-amino acid zwitterion | human metabolite;
mouse metabolite;
plant metabolite |
thyroxine
Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 3.2 | 6 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
estrone
Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 2.64 | 3 | 0 | 17-oxo steroid;
3-hydroxy steroid;
phenolic steroid;
phenols | antineoplastic agent;
bone density conservation agent;
estrogen;
human metabolite;
mouse metabolite |
androsterone
[no description available] | 1.95 | 1 | 0 | 17-oxo steroid;
3alpha-hydroxy steroid;
androstanoid;
C19-steroid | androgen;
anticonvulsant;
human blood serum metabolite;
human metabolite;
human urinary metabolite;
mouse metabolite;
pheromone |
dehydroepiandrosterone
Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 1.97 | 1 | 0 | 17-oxo steroid;
3beta-hydroxy-Delta(5)-steroid;
androstanoid | androgen;
human metabolite;
mouse metabolite |
hydroxyacetylaminofluorene
Hydroxyacetylaminofluorene: A N-hydroxylated derivative of 2-ACETYLAMINOFLUORENE that has demonstrated carcinogenic action. | 1.95 | 1 | 0 | 2-acetamidofluorenes | |
2-acetylaminofluorene
2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 11.57 | 28 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
penicillin g
Penicillin G: A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.. benzylpenicillin : A penicillin in which the substituent at position 6 of the penam ring is a phenylacetamido group. | 3.04 | 1 | 0 | penicillin allergen;
penicillin | antibacterial drug;
drug allergen;
epitope |
triiodothyronine
Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3.. 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. | 1.96 | 1 | 0 | 2-halophenol;
amino acid zwitterion;
iodophenol;
iodothyronine | human metabolite;
mouse metabolite;
thyroid hormone |
diethylnitrosamine
Diethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties.. N-nitrosodiethylamine : A nitrosamine that is N-ethylethanamine substituted by a nitroso group at the N-atom. | 6.35 | 22 | 0 | nitrosamine | carcinogenic agent;
hepatotoxic agent;
mutagen |
methyldimethylaminoazobenzene
Methyldimethylaminoazobenzene: A very potent liver carcinogen.. 3-methyl-4'-dimethylaminoazobenzene : A member of the class of azobenzenes that is azobenzene in which one of the phenyl groups is substituted at position 3 by a methyl group, while the other is substituted at position 4 by a dimethylamino group. It is a potent liver carcinogen. | 7.53 | 175 | 0 | | |
carbon tetrachloride
Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 5.44 | 21 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 4.28 | 7 | 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 |
desoxycorticosterone acetate
Desoxycorticosterone Acetate: The 21-acetate derivative of desoxycorticosterone. | 2.34 | 2 | 0 | corticosteroid hormone | |
benz(a)anthracene
benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear NAPHTHACENES. tetraphene : An angular ortho-fused polycyclic arene consisting of four fused benzene rings. | 1.93 | 1 | 0 | ortho-fused polycyclic arene;
tetraphenes | |
chloramphenicol
Amphenicol: Chloramphenicol and its derivatives. | 5.06 | 14 | 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. | 2.64 | 3 | 0 | aspartate family amino acid;
aspartic acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
mouse metabolite;
neurotransmitter |
glutamine
Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 1.94 | 1 | 0 | amino acid zwitterion;
glutamine family amino acid;
glutamine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
lysine
Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 8.57 | 9 | 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 |
cetrimonium bromide
cetyltrimethylammonium bromide : The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide. | 2.03 | 1 | 0 | organic bromide salt;
quaternary ammonium salt | detergent;
surfactant |
cyanides
Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 3.2 | 6 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
sucrose
Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 3.05 | 5 | 0 | glycosyl glycoside | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
sweetening agent |
ethinyl estradiol
Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.. 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. | 1.94 | 1 | 0 | 17-hydroxy steroid;
3-hydroxy steroid;
terminal acetylenic compound | xenoestrogen |
chlordan
Chlordan: A highly poisonous organochlorine insecticide. The EPA has cancelled registrations of pesticides containing this compound with the exception of its use through subsurface ground insertion for termite control and the dipping of roots or tops of non-food plants. (From Merck Index, 11th ed) | 1.94 | 1 | 0 | cyclodiene organochlorine insecticide | GABA-gated chloride channel antagonist;
persistent organic pollutant |
9,10-dimethyl-1,2-benzanthracene
9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 4.95 | 7 | 0 | ortho-fused polycyclic arene;
tetraphenes | carcinogenic agent |
aminopyrine
Aminopyrine: A pyrazolone with analgesic, anti-inflammatory, and antipyretic properties but has risk of AGRANULOCYTOSIS. A breath test with 13C-labeled aminopyrine has been used as a non-invasive measure of CYTOCHROME P-450 metabolic activity in LIVER FUNCTION TESTS.. aminophenazone : A pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. | 3.04 | 5 | 0 | pyrazolone;
tertiary amino compound | antipyretic;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
uridine
[no description available] | 3.33 | 7 | 0 | uridines | drug metabolite;
fundamental metabolite;
human metabolite |
bromodeoxyuridine
Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. | 1.95 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite;
antineoplastic agent |
n-nitrosomorpholine
N-nitrosomorpholine : A nitrosamine that is morpholine in which the hydrogen attached to the nitrogen is replaced by a nitroso group. A carcinogen and mutagen, it is found in snuff tobacco. | 1.96 | 1 | 0 | nitrosamine | carcinogenic agent;
mutagen |
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. | 3.34 | 7 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
p-aminoazobenzene
p-Aminoazobenzene: Used in the form of its salts as a dye and as an intermediate in manufacture of Acid Yellow, diazo dyes, and indulines.. 4-(phenylazo)aniline : Azobenzene substituted at one of the 4-positions by an amino group. It has a role as a dye and an allergen. | 9.84 | 35 | 0 | | |
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. | 3.66 | 10 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
cysteamine
Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 2.42 | 2 | 0 | amine;
thiol | geroprotector;
human metabolite;
mouse metabolite;
radiation protective agent |
phlorhizin
[no description available] | 1.94 | 1 | 0 | aryl beta-D-glucoside;
dihydrochalcones;
monosaccharide derivative | antioxidant;
plant metabolite |
adenosine monophosphate
Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.66 | 3 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist;
cofactor;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
EC 3.1.3.11 (fructose-bisphosphatase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
methylene blue
Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 2.88 | 4 | 0 | organic chloride salt | acid-base indicator;
antidepressant;
antimalarial;
antimicrobial agent;
antioxidant;
cardioprotective agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 4.6.1.2 (guanylate cyclase) inhibitor;
fluorochrome;
histological dye;
neuroprotective agent;
physical tracer |
zoxazolamine
Zoxazolamine: A uricosuric and muscle relaxant. Zoxazolamine acts centrally as a muscle relaxant, but the mechanism of its action is not understood. | 1.94 | 1 | 0 | benzoxazole | |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 4.08 | 16 | 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 |
aniline
[no description available] | 7.36 | 2 | 0 | anilines;
primary arylamine | |
dimethylnitrosamine
Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 5.07 | 8 | 0 | nitrosamine | geroprotector;
mutagen |
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. | 5.19 | 16 | 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. | 3.2 | 6 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
phenylalanine;
proteinogenic amino acid | algal metabolite;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
Escherichia coli metabolite;
human xenobiotic metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
desoxycorticosterone
Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE | 3.19 | 6 | 0 | 20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
mineralocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
cycloheximide
Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 2.35 | 2 | 0 | antibiotic fungicide;
cyclic ketone;
dicarboximide;
piperidine antibiotic;
piperidones;
secondary alcohol | anticoronaviral agent;
bacterial metabolite;
ferroptosis inhibitor;
neuroprotective agent;
protein synthesis inhibitor |
egtazic acid
Egtazic Acid: A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.. ethylene glycol bis(2-aminoethyl)tetraacetic acid : A diether that is ethylene glycol in which the hydrogens of the hydroxy groups have been replaced by 2-[bis(carboxymethyl)amino]ethyl group respectively. | 2.05 | 1 | 0 | diether;
tertiary amino compound;
tetracarboxylic acid | chelator |
chloroform
Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 1.96 | 1 | 0 | chloromethanes;
one-carbon compound | carcinogenic agent;
central nervous system drug;
inhalation anaesthetic;
non-polar solvent;
refrigerant |
dimethylformamide
Dimethylformamide: A formamide in which the amino hydrogens are replaced by methyl groups.. N,N-dimethylformamide : A member of the class of formamides that is formamide in which the amino hydrogens are replaced by methyl groups. | 1.94 | 1 | 0 | formamides;
volatile organic compound | geroprotector;
hepatotoxic agent;
polar aprotic solvent |
ornithine
Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 2.34 | 2 | 0 | non-proteinogenic L-alpha-amino acid;
ornithine | algal metabolite;
hepatoprotective agent;
mouse metabolite |
4-hydroxypropiophenone
[no description available] | 2.34 | 2 | 0 | acetophenones | |
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. | 3.06 | 5 | 0 | amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 7.34 | 2 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
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. | 3.98 | 5 | 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 |
dichlorodiphenyldichloroethane
Dichlorodiphenyldichloroethane: An organochlorine insecticide that is slightly irritating to the skin. (From Merck Index, 11th ed, p482) | 3.33 | 7 | 0 | chlorophenylethane;
monochlorobenzenes;
organochlorine insecticide | xenobiotic 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. | 9.66 | 9 | 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. | 3.32 | 7 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
acetonitrile
acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 1.96 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
trichloroacetic acid
Trichloroacetic Acid: A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing warts.. trichloroacetic acid : A monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. | 2.35 | 2 | 0 | monocarboxylic acid;
organochlorine compound | carcinogenic agent;
metabolite;
mouse metabolite |
trifluoroacetic acid
Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 2 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite;
NMR chemical shift reference compound;
reagent |
bromcresol green
Bromcresol Green: An indicator and reagent. It has been used in serum albumin determinations and as a pH indicator. | 2.05 | 1 | 0 | benzofurans | |
phencyclidine
Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 1.94 | 1 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
isoprene
isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 1.94 | 1 | 0 | alkadiene;
hemiterpene;
volatile organic compound | plant 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. | 2.06 | 1 | 0 | organic chloride salt;
xanthene dye | fluorescent probe;
fluorochrome;
histological dye |
rotenone
Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 1.96 | 1 | 0 | organic heteropentacyclic compound;
rotenones | antineoplastic agent;
metabolite;
mitochondrial NADH:ubiquinone reductase inhibitor;
phytogenic insecticide;
piscicide;
toxin |
1-naphthol
1-naphthol: RN given refers to parent cpd. 1-naphthol : A naphthol carrying a hydroxy group at position 1.. hydroxynaphthalene : Any member of the class of naphthalenes that is naphthalene carrying one or more hydroxy groups. | 1.98 | 1 | 0 | naphthol | genotoxin;
human xenobiotic metabolite |
anthrone
anthrone: used in colorimetric determination of sugar & animal starch in body fluids; structure. anthrone : A member of the class of anthracenes that is 9,10-dihydroanthracene carrying an oxo group at C-9. | 2.05 | 1 | 0 | anthracenone | radical scavenger |
aminacrine
Aminacrine: A highly fluorescent anti-infective dye used clinically as a topical antiseptic and experimentally as a mutagen, due to its interaction with DNA. It is also used as an intracellular pH indicator.. 9-aminoacridine : An aminoacridine that is acridine in which the hydrogen at position 9 is replaced by an amino group. A fluorescent dyd and topical antiseptic agent, it is used (usually as the hydrochloride salt) in eye drops for the treatment of superficial eye infections. | 2.05 | 1 | 0 | aminoacridines;
primary amino compound | acid-base indicator;
antiinfective agent;
antiseptic drug;
fluorescent dye;
MALDI matrix material;
mutagen |
quinoline
[no description available] | 2.02 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinolines | |
2-naphthylamine
2-Naphthylamine: A naphthalene derivative with carcinogenic action.. 2-naphthylamine : A naphthylamine carrying the amino group at position 2. | 4.25 | 3 | 0 | naphthylamine | carcinogenic agent |
tolonium chloride
Tolonium Chloride: A phenothiazine that has been used as a hemostatic, a biological stain, and a dye for wool and silk. Tolonium chloride has also been used as a diagnostic aid for oral and gastric neoplasms and in the identification of the parathyroid gland in thyroid surgery.. tolonium chloride : An organic chloride salt having 3-amino-7-(dimethylamino)-2-methylphenothiazin-5-ium (tolonium) as the counterion. It is a blue nuclear counterstain that can be used to demonstrate Nissl substance and is also useful for staining mast cell granules, both in metachromatic and orthochromatic techniques. | 1.94 | 1 | 0 | | |
pyronine
Pyronine: Xanthene dye used as a bacterial and biological stain. Synonyms: Pyronin; Pyronine G; Pyronine Y. Use also for Pyronine B. which is diethyl-rather than dimethylamino-.. pyronin Y : An organic chloride salt having 6-(dimethylamino)-N,N-dimethyl-3H-xanthen-3-iminium as the cation. Used with methyl green to selectively demonstrate RNA (red) in contrast to DNA (green) with the Unna-Pappenheim method. | 1.98 | 1 | 0 | iminium salt;
organic chloride salt | histological dye |
4-biphenylamine
4-biphenylamine: used in detection of sulfates, & as a carcinogen in cancer research; RN given refers to parent cpd; structure. biphenyl-4-amine : An aminobiphenyl that is biphenyl substituted by an amino group at position 4. | 3.06 | 1 | 0 | aminobiphenyl | carcinogenic agent |
xanthenes
Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 1.99 | 1 | 0 | xanthene | |
benzidine
benzidine: RN given refers to parent cpd. benzidine : A member of the class of biphenyls that is 1,1'-biphenyl in which the hydrogen at the para-position of each phenyl group has been replaced by an amino group. | 3.22 | 6 | 0 | biphenyls;
substituted aniline | carcinogenic agent |
2-toluidine
2-toluidine: RN given refers to parent cpd. o-toluidine : An aminotoluene in which the amino substituent is ortho to the methyl group. | 2.02 | 1 | 0 | aminotoluene | carcinogenic agent |
2,4-diaminotoluene
2,4-diaminotoluene: RN given refers to unlabeled parent cpd; structure. 2,4-diaminotoluene : An aminotoluene that is para-toluidine with an additional amino group at position 2. | 1.96 | 1 | 0 | aminotoluene | metabolite |
4-chloro-1,2-diaminobenzene
4-chloro-1,2-diaminobenzene: RN given refers to parent cpd | 2.02 | 1 | 0 | monochlorobenzenes | |
o-aminoazotoluene
o-Aminoazotoluene: An azo dye with carcinogenic properties. | 5.17 | 9 | 0 | | |
acetophenone
acetophenone : A methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group. | 2.05 | 1 | 0 | acetophenones | animal metabolite;
photosensitizing agent;
xenobiotic |
dimethyl-4-phenylenediamine
dimethyl-4-phenylenediamine: RN given refers to parent cpd; structure | 1.92 | 1 | 0 | diamine;
substituted aniline | |
4-vinylpyridine
4-vinylpyridine: reagent for blocking cysteine function in proteins; RN given refers to parent cpd | 1.97 | 1 | 0 | | |
phenylhydrazine
[no description available] | 1.97 | 1 | 0 | phenylhydrazines | xenobiotic |
4,4'-diaminodiphenylmethane
4,4'-diaminodiphenylmethane: RN given refers to parent cpd; structure. 4,4'-diaminodiphenylmethane : An aromatic amine that is diphenylmethane substituted at the 4-position of each benzene ring by an amino group. | 2.02 | 1 | 0 | aromatic amine | allergen;
carcinogenic agent |
phenylisothiocyanate
phenylisothiocyanate: structure. phenyl isothiocyanate : An isothiocyanate having a phenyl group attached to the nitrogen; used for amino acid sequencing in the Edman degradation. | 3.22 | 6 | 0 | isothiocyanate | allergen;
reagent |
ethyl laurate
ethyl laurate : A fatty acid ethyl ester of lauric acid. | 1.93 | 1 | 0 | fatty acid ethyl ester | metabolite |
4-phenylenediamine
4-phenylenediamine: agent hair dye responsible for contact dermatitis; RN given refers to parent cpd. 1,4-phenylenediamine : A phenylenediamine in which the amino functions are at positions 1 and 4 of the benzene nucleus. | 1.92 | 1 | 0 | phenylenediamine | allergen;
dye;
hapten;
reagent |
diethylhexyl phthalate
Diethylhexyl Phthalate: An ester of phthalic acid. It appears as a light-colored, odorless liquid and is used as a plasticizer for many resins and elastomers.. bis(2-ethylhexyl) phthalate : A phthalate ester that is the bis(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. | 2.02 | 1 | 0 | diester;
phthalate ester | androstane receptor agonist;
apoptosis inhibitor;
plasticiser |
chloranil
Chloranil: A quinone fungicide used for treatment of seeds and foliage.. tetrachloro-1,4-benzoquinone : A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines. | 2.05 | 1 | 0 | 1,4-benzoquinones;
organochlorine compound | EC 2.7.1.33 (pantothenate kinase) inhibitor;
metabolite |
2-tolidine
2-tolidine: RN given refers to parent cpd; structure | 2.37 | 2 | 0 | biphenyls | |
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. | 1.94 | 1 | 0 | acene;
anthracenes;
ortho-fused tricyclic hydrocarbon | |
veratraldehyde
[no description available] | 2.05 | 1 | 0 | benzaldehydes;
dimethoxybenzene | antifungal agent |
1-naphthylamine
1-Naphthylamine: A suspected industrial carcinogen (and listed as such by OSHA). Its N-hydroxy metabolite is strongly carcinogenic and mutagenic.. naphthylamine : A primary arylamine that is naphthalene substituted by an amino group at unspecified position.. 1-naphthylamine : A naphthylamine that is naphthalene substituted by an amino group at position 1. | 3.06 | 1 | 0 | naphthylamine | human xenobiotic metabolite |
2-naphthol
2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 3.05 | 5 | 0 | naphthol | antinematodal drug;
genotoxin;
human urinary metabolite;
human xenobiotic metabolite;
mouse metabolite;
radical scavenger |
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.) | 2.05 | 1 | 0 | NTA;
tricarboxylic acid | carcinogenic agent;
nephrotoxic agent |
ethyl acetate
ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 1.98 | 1 | 0 | acetate ester;
ethyl ester;
volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor;
metabolite;
polar aprotic solvent;
Saccharomyces cerevisiae metabolite |
pregnenolone
[no description available] | 2.35 | 2 | 0 | 20-oxo steroid;
3beta-hydroxy-Delta(5)-steroid;
C21-steroid | human metabolite;
mouse metabolite |
yohimbine
Yohimbine: A plant alkaloid with alpha-2-adrenergic blocking activity. Yohimbine has been used as a mydriatic and in the treatment of ERECTILE DYSFUNCTION.. yohimbine : An indole alkaloid with alpha2-adrenoceptor antagonist activity. It is produced by Corynanthe johimbe and Rauwolfia serpentina. | 1.94 | 1 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | alpha-adrenergic antagonist;
dopamine receptor D2 antagonist;
serotonergic antagonist |
2-vanillin
ortho-vanillin : A member of the class of benzaldehydes that is salicylaldehyde substituted by a methoxy group at position 3. | 2.44 | 2 | 0 | benzaldehydes;
guaiacols | antimutagen;
plant metabolite |
dydrogesterone
[no description available] | 1.95 | 1 | 0 | 20-oxo steroid;
3-oxo-Delta(4) steroid | progestin |
catechin
Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 2.05 | 1 | 0 | catechin | antioxidant;
plant metabolite |
quinazolines
Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 1.94 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
acridines
Acridines: Compounds that include the structure of acridine.. acridine : A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom. | 3.04 | 1 | 0 | acridines;
mancude organic heterotricyclic parent;
polycyclic heteroarene | genotoxin |
indazoles
Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | 1.96 | 1 | 0 | indazole | |
adamantane
Adamantane: A tricyclo bridged hydrocarbon. | 2.41 | 1 | 0 | adamantanes;
polycyclic alkane | |
thiazoles
[no description available] | 4.22 | 18 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
pyrimidine
pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 1.94 | 1 | 0 | diazine;
pyrimidines | Daphnia magna metabolite |
nitroblue tetrazolium
Nitroblue Tetrazolium: Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease. | 2.37 | 2 | 0 | organic cation | |
methylphenazonium methosulfate
Methylphenazonium Methosulfate: Used as an electron carrier in place of the flavine enzyme of Warburg in the hexosemonophosphate system and also in the preparation of SUCCINIC DEHYDROGENASE. | 1.95 | 1 | 0 | azaheterocycle sulfate salt;
phenazines | |
ephedrine
Ephedrine: A phenethylamine found in EPHEDRA SINICA. PSEUDOEPHEDRINE is an isomer. It is an alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used for asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists.. (-)-ephedrine : A phenethylamine alkaloid that is 2-phenylethanamine substituted by a methyl group at the amino nitrogen and a methyl and a hydroxy group at position 2 and 1 respectively. | 1.95 | 1 | 0 | phenethylamine alkaloid;
phenylethanolamines | bacterial metabolite;
environmental contaminant;
nasal decongestant;
plant metabolite;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
allylisopropylacetamide
Allylisopropylacetamide: An allylic compound that acts as a suicide inactivator of CYTOCHROME P450 by covalently binding to its heme moiety or surrounding protein. | 2.38 | 2 | 0 | | |
diiodotyrosine
Diiodotyrosine: A product from the iodination of MONOIODOTYROSINE. In the biosynthesis of thyroid hormones, diiodotyrosine residues are coupled with other monoiodotyrosine or diiodotyrosine residues to form T4 or T3 thyroid hormones (THYROXINE and TRIIODOTHYRONINE).. diiodotyrosine : A dihalogenated L-tyrosine which has two iodo-substituents on the benzyl moiety.. 3,5-diiodo-L-tyrosine : A diiodotyrosine that is L-tyrosine carrying iodo-substituents at positions C-3 and C-5 of the benzyl group. It is an intermediate in the thyroid hormone synthesis. | 1.94 | 1 | 0 | diiodotyrosine;
L-tyrosine derivative;
non-proteinogenic L-alpha-amino acid | human metabolite;
mouse metabolite |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.38 | 2 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
aminophylline
Aminophylline: A drug combination that contains THEOPHYLLINE and ethylenediamine. It is more soluble in water than theophylline but has similar pharmacologic actions. It's most common use is in bronchial asthma, but it has been investigated for several other applications.. aminophylline : A mixture comprising of theophylline and ethylenediamine in a 2:1 ratio. | 1.94 | 1 | 0 | mixture | bronchodilator agent;
cardiotonic drug |
citrulline
citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 1.94 | 1 | 0 | amino acid zwitterion;
citrulline | Daphnia magna metabolite;
EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
protective agent;
Saccharomyces cerevisiae metabolite |
lithocholic acid
Lithocholic Acid: A bile acid formed from chenodeoxycholate by bacterial action, usually conjugated with glycine or taurine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as cholagogue and choleretic.. lithocholic acid : A monohydroxy-5beta-cholanic acid with a alpha-hydroxy substituent at position 3. It is a bile acid obtained from chenodeoxycholic acid by bacterial action.. lithocholate : A bile acid anion that is the conjugate base of lithocholic acid. | 1.98 | 1 | 0 | bile acid;
C24-steroid;
monohydroxy-5beta-cholanic acid | geroprotector;
human metabolite;
mouse metabolite |
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. | 3.06 | 5 | 0 | imidazolidine-2,4-dione | |
reticulin
Reticulin: A scleroprotein fibril consisting mostly of type III collagen. Reticulin fibrils are extremely thin, with a diameter of between 0.5 and 2 um. They are involved in maintaining the structural integrity in a variety of organs. | 1.94 | 1 | 0 | benzylisoquinoline alkaloid;
benzyltetrahydroisoquinoline;
isoquinolinol | plant metabolite |
flavanone
flavanone: RN given refers to cpd with unspecified isomeric designation; structure in first source. flavanone : The simplest member of the class of flavanones that consists of flavan bearing an oxo substituent at position 4. | 2.05 | 1 | 0 | flavanones | |
indole-3-carbaldehyde
indole-3-carbaldehyde: metabolite of tryptophan; structure. indole-3-carbaldehyde : A heteroarenecarbaldehyde that is indole in which the hydrogen at position 3 has been replaced by a formyl group. | 2.05 | 1 | 0 | heteroarenecarbaldehyde;
indole alkaloid;
indoles | bacterial metabolite;
human xenobiotic metabolite;
marine metabolite;
plant metabolite |
phenylpropanolamine
Phenylpropanolamine: A sympathomimetic that acts mainly by causing release of NOREPINEPHRINE but also has direct agonist activity at some adrenergic receptors. It is most commonly used as a nasal vasoconstrictor and an appetite depressant.. phenylpropanolamine : An amphetamine in which the parent 1-phenylpropan-2-amine skeleton is substituted at position 1 with an hydroxy group. A decongestant and appetite suppressant, it is commonly used in prescription and over-the-counter cough and cold preparations.. (-)-norephedrine : An amphetamine that is propylbenzene substituted by a hydroxy group at position 1 and by an amino group at position 2 (the 1R,2S-stereoisomer). It is a plant alkaloid. | 2 | 1 | 0 | amphetamines;
phenethylamine alkaloid | plant metabolite |
methyl red
methyl red: RN given refers to parent cpd; structure. methyl red : An azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group. | 2.97 | 4 | 0 | | |
phorone
phorone: an industrial solvent; structure | 3.06 | 1 | 0 | dialkenyl ketone | |
cyanogen bromide
Cyanogen Bromide: Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes. | 1.97 | 1 | 0 | | |
dihydroergotamine
Dihydroergotamine: A 9,10alpha-dihydro derivative of ERGOTAMINE. It is used as a vasoconstrictor, specifically for the therapy of MIGRAINE DISORDERS.. dihydroergotamine : Ergotamine in which a single bond replaces the double bond between positions 9 and 10. A semisynthetic ergot alkaloid with weaker oxytocic and vasoconstrictor properties than ergotamine, it is used (as the methanesulfonic or tartaric acid salts) for the treatment of migraine and orthostatic hypotension. | 1.95 | 1 | 0 | ergot alkaloid;
semisynthetic derivative | dopamine agonist;
non-narcotic analgesic;
serotonergic agonist;
sympatholytic agent;
vasoconstrictor agent |
hematoxylin
Hematoxylin: A dye obtained from the heartwood of logwood (Haematoxylon campechianum Linn., Leguminosae) used as a stain in microscopy and in the manufacture of ink. | 1.98 | 1 | 0 | organic heterotetracyclic compound;
oxacycle;
polyphenol;
tertiary alcohol | histological dye;
plant metabolite |
psilocybin
Psilocybin: The major of two hallucinogenic components of Teonanacatl, the sacred mushroom of Mexico, the other component being psilocin. (From Merck Index, 11th ed). psilocybin : A tryptamine alkaloid that is N,N-dimethyltryptamine carrying an additional phosphoryloxy substituent at position 4. The major hallucinogenic alkaloid isolated from Psilocybe mushrooms (also known as Teonanacatl or "magic mushrooms"). | 1.94 | 1 | 0 | organic phosphate;
tertiary amino compound;
tryptamine alkaloid | fungal metabolite;
hallucinogen;
prodrug;
serotonergic agonist |
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. | 2.44 | 2 | 0 | 1,2-naphthoquinones | aryl hydrocarbon receptor agonist;
carcinogenic agent |
malondialdehyde
Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.37 | 2 | 0 | dialdehyde | biomarker |
eosine yellowish-(ys)
Eosine Yellowish-(YS): A versatile red dye used in cosmetics, pharmaceuticals, textiles, etc., and as tissue stain, vital stain, and counterstain with HEMATOXYLIN. It is also used in special culture media.. eosin YS dye : An organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions. | 2.03 | 1 | 0 | organic sodium salt;
organobromine compound | fluorochrome;
histological dye |
1-naphthylisothiocyanate
1-Naphthylisothiocyanate: A tool for the study of liver damage which causes bile stasis and hyperbilirubinemia acutely and bile duct hyperplasia and biliary cirrhosis chronically, with changes in hepatocyte function. It may cause skin and kidney damage. | 1.96 | 1 | 0 | isothiocyanate | insecticide |
congo red
Congo Red: An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.. Congo Red : An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. | 2.44 | 2 | 0 | bis(azo) compound | |
dansyl chloride
dansyl chloride: RN given refers to unlabeled cpd | 3.07 | 5 | 0 | aminonaphthalene;
sulfonic acid derivative | |
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 1.94 | 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 |
4,4'-bisphenol f
4,4'-bisphenol F: RN given refers to parent cpd. bisphenol F : A bisphenol that is methane in which two of the hydrogens have been replaced by 4-hydroxyphenyl groups. | 2.05 | 1 | 0 | bisphenol;
diarylmethane | environmental food contaminant;
xenoestrogen |
n-nitroso(di-n-propyl)amine
[no description available] | 3.06 | 1 | 0 | nitroso compound | |
n-methyl-4-aminoazobenzene
N-methyl-4-aminoazobenzene: structure | 2.87 | 4 | 0 | | |
diazoacetic ester
diazoacetic ester: structure | 1.96 | 1 | 0 | | |
c.i. 42510
Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. | 1.97 | 1 | 0 | | |
nitrosoguanidines
Nitrosoguanidines: Nitrosylated derivatives of guanidine. They are used as MUTAGENS in MOLECULAR BIOLOGY research. | 3.45 | 2 | 0 | | |
methylnitrosourea
Methylnitrosourea: A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.. N-methyl-N-nitrosourea : A member of the class of N-nitrosoureas that is urea in which one of the nitrogens is substituted by methyl and nitroso groups. | 3.97 | 4 | 0 | N-nitrosoureas | alkylating agent;
carcinogenic agent;
mutagen;
teratogenic agent |
ethylnitrosourea
Ethylnitrosourea: A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.. N-ethyl-N-nitrosourea : A member of the class of N-nitrosoureas that is urea in which one of the nitrogens is substituted by ethyl and nitroso groups. | 3.47 | 2 | 0 | N-nitrosoureas | alkylating agent;
carcinogenic agent;
genotoxin;
mutagen |
9,10-dimethylanthracene
9,10-dimethylanthracene: RN given refers to parent ion | 2 | 1 | 0 | | |
1-phenylazo-2-naphthol
1-phenylazo-2-naphthol: RN given refers to cpd without isomeric designation | 1.97 | 1 | 0 | | |
amaranth dye
Amaranth Dye: A sulfonic acid-based naphthylazo dye used as a coloring agent for foodstuffs and medicines and as a dye and chemical indicator. It was banned by the FDA in 1976 for use in foods, drugs, and cosmetics. (From Merck Index, 11th ed) | 2.38 | 2 | 0 | | |
dibutylnitrosamine
dibutylnitrosamine: structure | 3.06 | 1 | 0 | nitroso compound | |
nitrosobenzylmethylamine
nitrosobenzylmethylamine: structure | 3.06 | 1 | 0 | | |
deoxyuridine
[no description available] | 2.1 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
2,6-dichloroindophenol
2,6-Dichloroindophenol: A dye used as a reagent in the determination of vitamin C.. 2,6-dichloroindophenol : A quinone imine that is indophenol substituted by chloro groups at positions 2 and 6.. N-3,5-dichloro-4-hydroxyphenyl-1,4-benzoquinone imine : 1,4-benzoquinone imine having a 3,5-dichloro-4-hydroxyphenyl substituent attached to the nitrogen atom. | 1.95 | 1 | 0 | dichlorobenzene;
quinone imine | |
azure a
Azure A: RN given refers to chloride. azure A : An organic chloride salt having 3-amino-7-(dimethylamino)phenothiazin-5-ium as the counterion. It is used in making azure eosin stains for blood smear staining. | 2.05 | 1 | 0 | | |
n-nitrosodiethanolamine
[no description available] | 1.96 | 1 | 0 | nitroso compound | |
lead sulfide
lead sulfide: surma refers to fine powder-like mascara, applied to conjunctival surfaces of eyes; originally contained antimony sulfide (derived from Urdu word for antimony); recently lead sulfide has been used due to scarcity of antimony; RN given refers to cpd with MF of Pb-S; galena is the principal ore of lead sulfide. Black kohl stone and red-brown kohl stone are widely used in eye cosmetics in the Middle East, Asia and Africa | 2.06 | 1 | 0 | | |
d-alpha tocopherol
Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 3.22 | 6 | 0 | alpha-tocopherol | algal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite |
digoxigenin
Digoxigenin: 3 beta,12 beta,14-Trihydroxy-5 beta-card-20(22)-enolide. A cardenolide which is the aglycon of digoxin. Can be obtained by hydrolysis of digoxin or from Digitalis orientalis L. and Digitalis lanata Ehrh.. digoxigenin : A hydroxy steroid that consists of 5beta-cardanolide having a double bond at the 20(22)-position as well as hydroxy groups at the 3beta-, 12beta- and 14beta-positions. It has been isolated from the plant species of the genus Digitalis. | 1.99 | 1 | 0 | 12beta-hydroxy steroid;
14beta-hydroxy steroid;
3beta-hydroxy steroid;
3beta-sterol | hapten;
plant metabolite |
4-hydroxyazobenzene
4-hydroxyazobenzene: structure in first source | 1.92 | 1 | 0 | | |
orange g
orange G : An organic sodium salt that is the disodium salt of 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonic acid. It is often combined with other yellow dyes in alcoholic solution to stain erythrocytes in trichrome methods, and is used for demonstrating cells in the pancreas and pituitary. | 2.03 | 1 | 0 | | |
3'-methyl-4-methylaminoazobenzene
[no description available] | 3.37 | 7 | 0 | | |
pyronine b
pyronine B: Merck as dimer with 2(FeCl3); RN given refers to chloride. pyronin B : An organic chloride salt having 6-(diethylamino)-N,N-diethyl-3H-xanthen-3-iminium as the cation. Depending on the mode of manufacture, pyronin B also exists in the form of an FeCl3 complex. | 1.98 | 1 | 0 | iminium salt;
organic chloride salt | histological dye |
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. | 3.55 | 8 | 0 | 2-benzofurans;
gamma-lactone;
organic heteropentacyclic compound;
oxaspiro compound;
polyphenol;
xanthene dye | fluorescent dye;
radioopaque medium |
fucose
Fucose: A six-member ring deoxysugar with the chemical formula C6H12O5. It lacks a hydroxyl group on the carbon at position 6 of the molecule.. L-fucopyranose : The pyranose form of L-fucose.. fucose : Any deoxygalactose that is deoxygenated at the 6-position. | 1.95 | 1 | 0 | fucopyranose;
L-fucose | Escherichia coli metabolite;
mouse metabolite |
c.i. solvent yellow 56
C.I. Solvent Yellow 56: not a carcinogen. Solvent yellow 56 : An azobenzene that is N,N-diethylaniline substituted at position 4 by a phenylazo group. | 3.21 | 6 | 0 | azobenzenes;
substituted aniline;
tertiary amino compound | dye;
mutagen |
pontamine sky blue
[no description available] | 2.44 | 2 | 0 | | |
ponceau 4r
ponceau 4R: structure in first source | 2 | 1 | 0 | | |
sudan red
[no description available] | 1.97 | 1 | 0 | | |
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. | 3.27 | 6 | 0 | fluorescein isothiocyanate | |
sabinene
sabinene: RN given refers to cpd without isomeric designation. sabinene : A thujene that is a bicyclic monoterpene isolated from the essential oils of various plant species. | 1.94 | 1 | 0 | thujene | plant metabolite |
dithiothreitol
1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 1.98 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
norleucine
Norleucine: An unnatural amino acid that is used experimentally to study protein structure and function. It is structurally similar to METHIONINE, however it does not contain SULFUR.. L-norleucine : A non-proteinogenic L-alpha-amino acid comprising hexanoic acid carrying an amino group at C-2. It does not occur naturally. | 1.95 | 1 | 0 | 2-aminohexanoic acid;
L-alpha-amino acid zwitterion;
non-proteinogenic L-alpha-amino acid | |
octylmethoxycinnamate
octylmethoxycinnamate: a sunscreen used for prevention of DNA photodamage | 2.03 | 1 | 0 | cinnamate ester | |
maleic hydrazide
Maleic Hydrazide: 1,2-Dihydro-3,6-pyridazinedione. A herbicide and plant growth regulator; also used to control suckering of tobacco. Its residue in food and tobacco is highly toxic, causing CNS disturbances and liver damage. | 6.93 | 1 | 0 | pyridazinone | |
4-(4-dimethylaminophenylazo)benzoic acid
4-(4-dimethylaminophenylazo)benzoic acid: structure given in first source | 5.53 | 64 | 0 | | |
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. | 4.44 | 7 | 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. | 2.87 | 4 | 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. | 2.36 | 2 | 0 | chromium group element atom | micronutrient |
osmium
Osmium: A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os. | 2.64 | 3 | 0 | iron 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. | 1.94 | 1 | 0 | elemental platinum;
nickel group element atom;
platinum group metal atom | |
plutonium
Plutonium: A naturally radioactive element of the actinide metals series. It has the atomic symbol Pu, and atomic number 94. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons. | 2.34 | 2 | 0 | actinoid atom;
f-block element atom | |
praseodymium
Praseodymium: An element of the rare earth family of metals. It has the atomic symbol Pr, atomic number 59, and atomic weight 140.91. | 2.63 | 3 | 0 | f-block element atom;
lanthanoid 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. | 2.39 | 2 | 0 | iron group element atom;
platinum group metal atom | |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 3.09 | 5 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
terbium
Terbium: An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 65, and atomic weight 158.92. | 2.38 | 2 | 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. | 2.02 | 1 | 0 | titanium group element atom | |
tungsten
Tungsten: A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus. | 1.97 | 1 | 0 | chromium group element atom | micronutrient |
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. | 1.94 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
cerium
Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications. | 2.88 | 4 | 0 | f-block element atom;
lanthanoid 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. | 1.97 | 1 | 0 | f-block element atom;
lanthanoid atom | |
gold
Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.39 | 2 | 0 | copper group element atom;
elemental gold | |
uranium
Uranium: A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors. | 1.95 | 1 | 0 | actinoid atom;
f-block element atom;
monoatomic uranium | |
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. | 1.98 | 1 | 0 | N-acetyl-D-glucosamine | epitope |
perchloric acid
[no description available] | 2.34 | 2 | 0 | chlorine oxoacid | |
nickel chloride
nickel chloride: RN given refers to cpd with MF of Ni-Cl2. nickel dichloride : A compound of nickel and chloride in which the ratio of nickel (in the +2 oxidation state) to chloride is 1:2. | 1.98 | 1 | 0 | nickel coordination entity | calcium channel blocker;
hapten |
bromine
Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 1.93 | 1 | 0 | diatomic bromine | |
barium sulfate
Barium Sulfate: A compound used as an x-ray contrast medium that occurs in nature as the mineral barite. It is also used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield.. barium sulfate : A metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite. | 1.95 | 1 | 0 | barium salt;
inorganic barium salt;
metal sulfate | radioopaque medium |
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 | 1 | 0 | chromium oxoanion;
divalent inorganic anion | oxidising agent |
tungstate
[no description available] | 1.97 | 1 | 0 | divalent inorganic anion;
tungsten oxoanion | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.64 | 3 | 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. | 3.45 | 2 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 1.93 | 1 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
potassium chromate(vi)
potassium chromate(VI): RN given refers to cpd with MF of K2-CrH2O4. potassium chromate : A potassium salt consisting of potassium and chromate ions in a 2:1 ratio. | 2 | 1 | 0 | potassium salt | carcinogenic agent;
oxidising agent |
sulfonyl chloride
[no description available] | 1.96 | 1 | 0 | sulfuryl halide | |
galactose
aldohexose : A hexose with a (potential) aldehyde group at one end. | 1.93 | 1 | 0 | | |
ethionine
L-ethionine : An S-ethylhomocysteine that has S-configuration at the chiral centre. | 6.19 | 27 | 0 | S-ethylhomocysteine | antimetabolite;
carcinogenic agent |
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. | 2.02 | 1 | 0 | titanium oxides | food colouring |
selegiline
Selegiline: A selective, irreversible inhibitor of Type B monoamine oxidase that is used for the treatment of newly diagnosed patients with PARKINSON DISEASE, and for the treatment of depressive disorders. The compound without isomeric designation is Deprenyl. | 2.37 | 2 | 0 | selegiline;
terminal acetylenic compound | geroprotector |
cycasin
[no description available] | 3.05 | 1 | 0 | | |
ammonium nickel sulfate
ammonium nickel sulfate: RN given refers to NH4-Ni(+2) [2:2:1] salt. ammonium nickel sulfate : A nickel coordination entity comprising ammonium, nickel and sulfate in which the ratio of ammonium to iron(2+) to sulfate ions is 2:1:2. | 1.98 | 1 | 0 | ammonium salt;
metal sulfate;
nickel coordination entity | |
tetradecanoylphorbol acetate
Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 2.38 | 2 | 0 | acetate ester;
diester;
phorbol ester;
tertiary alpha-hydroxy ketone;
tetradecanoate ester | antineoplastic agent;
apoptosis inducer;
carcinogenic agent;
mitogen;
plant metabolite;
protein kinase C agonist;
reactive oxygen species generator |
fluorides
[no description available] | 2.64 | 3 | 0 | halide anion;
monoatomic fluorine | |
n,n-dimethyl-4-(6-benzothiazolylazo)aniline
N,N-dimethyl-4-(6-benzothiazolylazo)aniline: do not confuse with 5-isomer (RN: 18463-90-6) also given this name in 9CI; structure | 3.98 | 14 | 0 | | |
cresyl violet
cresyl violet: RN given refers to chloride. cresyl violet : A cationic heterotetracyclic fluorescent dye derived from benzo[a]phenoxazine. | 2.41 | 2 | 0 | | |
iodine
[no description available] | 1.94 | 1 | 0 | halide anion;
monoatomic iodine | human metabolite |
osmium tetroxide
Osmium Tetroxide: (T-4)-Osmium oxide (OsO4). A highly toxic and volatile oxide of osmium used in industry as an oxidizing agent. It is also used as a histological fixative and stain and as a synovectomy agent in arthritic joints. Its vapor can cause eye, skin, and lung damage.. osmium tetroxide : An osmium coordination entity consisting of four oxygen atoms bound to a central osmium atom via covalent double bonds. | 2 | 1 | 0 | osmium coordination entity | fixative;
histological dye;
oxidising agent;
poison |
clofenapate
Clofenapate: An oral hypolipemic agent primarily used in DOGS and RATS. | 1.97 | 1 | 0 | | |
phosphotyrosine
Phosphotyrosine: An amino acid that occurs in endogenous proteins. Tyrosine phosphorylation and dephosphorylation plays a role in cellular signal transduction and possibly in cell growth control and carcinogenesis.. O(4)-phospho-L-tyrosine : A non-proteinogenic L-alpha-amino acid that is L-tyrosine phosphorylated at the phenolic hydroxy group. | 2.67 | 3 | 0 | L-tyrosine derivative;
non-proteinogenic L-alpha-amino acid;
O(4)-phosphotyrosine | Escherichia coli metabolite;
immunogen |
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. | 4.34 | 21 | 0 | benzenes;
phenyl acetates | |
4-anisaldehyde
4-anisaldehyde: RN given refers to cpd with specified locants for methoxy moieties; structure in Merck, 9th ed, #696. p-methoxybenzaldehyde : A member of the class of benzaldehydes consisting of benzaldehyde itself carrying a methoxy substituent at position 4. | 2.05 | 1 | 0 | benzaldehydes | bacterial metabolite;
human urinary metabolite;
insect repellent;
plant metabolite |
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. | 2.04 | 1 | 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. | 1.97 | 1 | 0 | | |
alkenes
[no description available] | 2.1 | 1 | 0 | | |
glutamic acid
Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.37 | 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 |
azoxymethane
Azoxymethane: A potent carcinogen and neurotoxic compound. It is particularly effective in inducing colon carcinomas. | 3.05 | 1 | 0 | | |
allura red ac dye
Allura Red AC Dye: new monoazo dye proposed as color additive in various food products; RN given refers to di-Na salt; structure | 2 | 1 | 0 | | |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.64 | 3 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
acetylgalactosamine
Acetylgalactosamine: The N-acetyl derivative of galactosamine. | 2.4 | 2 | 0 | N-acetyl-D-hexosamine;
N-acetylgalactosamine | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
proroxan
proroxan: Russian drug; RN given refers to parent cpd; structure | 1.96 | 1 | 0 | | |
substance p
[no description available] | 2.38 | 2 | 0 | peptide | neurokinin-1 receptor agonist;
neurotransmitter;
vasodilator agent |
fluorescamine
Fluorescamine: A nonfluorescent reagent for the detection of primary amines, peptides and proteins. The reaction products are highly fluorescent. | 1.98 | 1 | 0 | | |
3,3',5,5'-tetramethylbenzidine
T1023: radioprotective NO-Synthase Inhibitor | 2.9 | 4 | 0 | | |
enkephalin, methionine
Enkephalin, Methionine: One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN. | 1.96 | 1 | 0 | | |
fenoxycarb
fenoxycarb: used against mosquitoes (Diptera:Culicidae); structure given in first source. fenoxycarb : A carbamate ester that is the O-ethyl carbamate of 2-(4-phenoxyphenoxy)ethylamine. | 2.11 | 1 | 0 | aromatic ether;
carbamate ester | environmental contaminant;
insecticide;
juvenile hormone mimic;
xenobiotic |
mifepristone
Mifepristone: A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME. | 1.98 | 1 | 0 | 3-oxo-Delta(4) steroid;
acetylenic compound;
tertiary amino compound | abortifacient;
contraceptive drug;
hormone antagonist;
synthetic oral contraceptive |
fura-2
Fura-2: A fluorescent calcium chelating agent which is used to study intracellular calcium in tissues. | 2 | 1 | 0 | | |
coomassie brilliant blue r
kenacid blue: RN given refers to cpd with unknown MF | 1.97 | 1 | 0 | | |
monoammonium molybdate
ammonium molybdate: RN given refers to unspecified ammonium molybdate salt. ammonium molybdate : An ammonium salt composed of ammonium and molybdate ions in a 2:1 ratio. | 1.97 | 1 | 0 | ammonium salt | poison |
vanadates
Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. | 2.01 | 1 | 0 | trivalent inorganic anion;
vanadium oxoanion | EC 3.1.3.1 (alkaline phosphatase) inhibitor;
EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor;
EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor;
EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
dimethylhydrazines
Dimethylhydrazines: Hydrazines substituted with two methyl groups in any position. | 3.45 | 2 | 0 | | |
isothiocyanic acid
[no description available] | 1.93 | 1 | 0 | hydracid;
one-carbon compound | |
daunorubicin hydrochloride
[no description available] | 2.03 | 1 | 0 | anthracycline | |
trazodone hydrochloride
Triticum: A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS.. trazodone hydrochloride : A hydrochloride salt prepared from equimolar amounts of trazodone and hydrogen chloride. | 2.38 | 2 | 0 | hydrochloride | adrenergic antagonist;
antidepressant;
H1-receptor antagonist;
sedative;
serotonin uptake inhibitor |
glucose, (beta-d)-isomer
beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.03 | 1 | 0 | D-glucopyranose | epitope;
mouse metabolite |
norharman
norharman: RN given refers to parent cpd. beta-carboline : The parent compound of the beta-carbolines, a tricyclic structure comprising an indole ring system ortho- fused to C-3 and C-4 of a pyridine ring. | 7.65 | 3 | 0 | beta-carbolines;
mancude organic heterotricyclic parent | fungal metabolite;
marine metabolite |
epigallocatechin gallate
epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 2.05 | 1 | 0 | flavans;
gallate ester;
polyphenol | antineoplastic agent;
antioxidant;
apoptosis inducer;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent;
plant metabolite |
lissamine rhodamine b
lissamine rhodamine B: RN given refers to parent cpd; Lissamine Rhodamine B refers to Na salt | 2 | 1 | 0 | | |
neocuproine
neocuproine: Spectrophotometric determination of copper and ultramicro blood sugar determinations; structure; RN given refers to parent cpd. neocuproine : A member of the class of phenanthrolines that is 1,10-phenanthroline bearing two methyl substituents at positions 2 and 9. | 2.44 | 2 | 0 | phenanthrolines | chelator;
copper chelator |
peroxynitric acid
[no description available] | 2 | 1 | 0 | nitrogen oxoacid | |
hypusine
hypusine: N-terminal amino alcohol deriv of Lys occurring in bovine brain & in the urine of children with familial hyperlysinemia; minor descriptor (75-82); online & Index Medicus search LYSINE/AA (75-82). hypusine : An L-lysine derivative that is L-lysine bearing a (2R)-4-amino-2-hydroxybutyl substituent at position N(6). | 1.98 | 1 | 0 | | |
1,7-phenanthroline
[no description available] | 2.08 | 1 | 0 | phenanthroline | |
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. | 3.33 | 7 | 0 | 1,2,3-triazole | |
diazobenzenesulfonic acid
diazobenzenesulfonic acid: RN given refers to parent cpd; structure | 1.99 | 1 | 0 | | |
trifluoroacetamide
[no description available] | 2 | 1 | 0 | | |
delphinidin
Paraffin: A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.. delphinidin chloride : An anthocyanidin chloride that has delphinidin as the cationic counterpart. | 2.37 | 2 | 0 | anthocyanidin chloride | |
dihydroxydiphenyl-pyridyl methane
[no description available] | 2.38 | 2 | 0 | | |
4,4'-Dihydroxybenzophenone
[no description available] | 2.05 | 1 | 0 | benzophenones | |
2,2'-Dihydroxybenzophenone
[no description available] | 2.44 | 2 | 0 | benzophenones | |
2,3,4-trihydroxbenzophenone
2,3,4-trihydroxbenzophenone : A benzenetriol that is benzophenone in which one of the phenyl groups is substituted by hydroxy groups at positions 2, 3, and 4. It is a redox mediator. | 2.05 | 1 | 0 | benzenetriol;
hydroxybenzophenone | drug metabolite;
EC 1.14.18.1 (tyrosinase) inhibitor;
human urinary metabolite;
quorum sensing inhibitor;
rat metabolite |
4-cyano-n,n-dimethylaniline
[no description available] | 2.37 | 2 | 0 | | |
epicatechin
(-)-epicatechin : A catechin with (2R,3R)-configuration. | 2.05 | 1 | 0 | catechin;
polyphenol | antioxidant |
cresol red
[no description available] | 2.05 | 1 | 0 | 2,1-benzoxathiole;
arenesulfonate ester;
polyphenol;
sultone | acid-base indicator;
dye;
two-colour indicator |
haba
2-(4-hydroxyphenylazo)benzoic acid : An azo compound that is azobenzene in which one phenyl group is substituted at position 4 by a hydroxy group, while the other phenyl group is substituted at position 2 by a carboxy group. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. | 2.21 | 1 | 0 | | |
methylene green
methylene green: stain; 4-nitro(methylene blue); RN given refers to chloride. methylene green : An organic chloride salt having 3,7-bis(dimethylamino)-4-nitrophenothiazin-5-ium as the counterion. It stains nuclei green and is sometimes used as a counterstain to red or purple primary stains. | 2 | 1 | 0 | organic chloride salt | fluorochrome;
histological dye |
6-carboxyfluorescein
6-carboxyfluorescein: originally sold as 6-carboxyfluorescein, but commercial product is a mixture of two isomers; correct name is 5(6)-carboxyfluorescein | 2.06 | 1 | 0 | monocarboxylic acid | |
4-(n,n-dimethylaminoazobenzene)-4'-isothiocyanate
4-(N,N-dimethylaminoazobenzene)-4'-isothiocyanate: chromophoric reagent for protein sequence analysis | 4.74 | 31 | 0 | | |
c.i. basic blue 41
[no description available] | 2.03 | 1 | 0 | | |
coenzyme a
[no description available] | 2.34 | 2 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 1.95 | 1 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic |
17-alpha-hydroxypregnenolone
17-alpha-Hydroxypregnenolone: A 21-carbon steroid that is converted from PREGNENOLONE by STEROID 17-ALPHA-HYDROXYLASE. It is an intermediate in the delta-5 pathway of biosynthesis of GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.. 17alpha-hydroxypregnenolone : A hydroxypregnenolone carrying an alpha-hydroxy group at position 17. | 1.94 | 1 | 0 | 17alpha-hydroxy-C21-steroid;
17alpha-hydroxy steroid;
3beta-hydroxy-Delta(5)-steroid;
hydroxypregnenolone;
tertiary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
1,5-i-aedans
1,5-I-AEDANS: fluorescent probes which are sulfhydryl reagents; combine reactivity of iodoacetamide toward sulfhydryl groups with spectral properties of naphthalenesulfonic acids; structure. 5-{[2-(iodoacetamido)ethyl]amino}naphthalene-1-sulfonic acid : An aminonaphthalenesulfonic acid fluorophore with a structure consisting of ethylenediamine substituted on the nitrogens with iodoacetyl and 5-sulfonyl-1-naphthyl groups. | 2.67 | 3 | 0 | aminonaphthalenesulfonic acid | fluorescent probe |
4-n,n-dimethylaminoazobenzene-4'-sulfonyl chloride
4-N,N-dimethylaminoazobenzene-4'-sulfonyl chloride: chromophoric labelling reagent for amino acids, peptides, proteins; structure | 5.48 | 65 | 0 | | |
7-amino-4-methylcoumarin
7-amino-4-methylcoumarin: RN given refers to parent cpd | 2.11 | 1 | 0 | 7-aminocoumarins | fluorochrome |
5-((2-aminoethyl)amino)naphthalene-1-sulfonic acid
5-((2-aminoethyl)amino)naphthalene-1-sulfonic acid: structure given in first source | 4.32 | 19 | 0 | | |
1,8-i-aedans
1,8-I-AEDANS: fluorescent probes which are sulfhydryl reagents; combine reactivity of iodoacetamide toward sulfhydryl groups with spectral properties of naphthalenesulfonates; structure | 1.97 | 1 | 0 | | |
cobalt
Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.66 | 3 | 0 | cobalt group element atom;
metal allergen | micronutrient |
p-methoxy-n-methylphenethylamine
p-Methoxy-N-methylphenethylamine: A potent mast cell degranulator. It is involved in histamine release.. N,O-dimethyltyramine : A secondary amino compound that is tyramine in which the hydrogen of the phenolic hydroxy group has been replaced by a methyl group. | 1.94 | 1 | 0 | aromatic ether;
secondary amino compound | metabolite |
4,4''-diaminoterphenyl
4,4''-diaminoterphenyl: structure given in first source | 2.37 | 2 | 0 | | |
beta-n-methylamino-l-alanine
beta-N-methylamino-L-alanine: glutamate agonist. L-BMAA : A non-proteinogenic L-alpha-amino acid that is L-alanine in which one of the methyl hydrogens is replaced by a methylamino group. A non-proteinogenic amino acid produced by cyanobacteria, it is a neurotoxin that has been postulated as a possible cause of neurodegenerative disorders of aging such as Alzheimer's disease, amyotrophic lateral sclerosis, and the amyotrophic lateral sclerosis/parkinsonism-dementia complex (ALS-PDC) syndrome of Guam. | 1.97 | 1 | 0 | diamino acid;
L-alanine derivative;
non-proteinogenic L-alpha-amino acid;
secondary amino compound | bacterial metabolite;
neurotoxin |
n-hydroxy-4-aminoazobenzene
N-hydroxy-4-aminoazobenzene: RN given refers to parent cpd | 2.39 | 2 | 0 | | |
5-dimethylaminophenylazoindazole
5-dimethylaminophenylazoindazole: noncarcinogenic bacterial mutagen DAB analog; structure given in first source | 3.06 | 5 | 0 | | |
hypotaurine
[no description available] | 2.4 | 2 | 0 | aminosulfinic acid;
zwitterion | human metabolite;
metabolite;
mouse metabolite |
dityrosine
dityrosine: o,o'-biphenol analog of tyrosine; isolated from insoluble protein of human cataractous lenses; structure. dityrosine : A biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings. | 1.97 | 1 | 0 | biphenyls;
non-proteinogenic alpha-amino acid;
tyrosine derivative | biomarker |
3'-hydroxymethyl-4-(dimethylamino)azobenzene
[no description available] | 3.06 | 5 | 0 | | |
4-n-pyrrolidinylazobenzene
4-N-pyrrolidinylazobenzene: structure given in first source | 2.65 | 3 | 0 | | |
5,6-dicarboxyfluorescein
[no description available] | 2.69 | 2 | 0 | | |
iaans
[no description available] | 1.98 | 1 | 0 | | |
n-(4-(7-diethylamino-4-methylcoumarin-3-yl)phenyl)maleimide
N-(4-(7-diethylamino-4-methylcoumarin-3-yl)phenyl)maleimide: structure given in first source. 7-diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin : A member of the class of coumarins that is 2H-chromen-2-one substituted by 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl, methyl, and diethylamino groups at positions 3, 4 and 7, respectively. It is a thiol-reactive fluorescent dye. | 2.01 | 1 | 0 | benzenes;
coumarins;
maleimides;
tertiary amino compound | fluorescent dye |
fullerene c60
Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms. | 2.06 | 1 | 0 | fullerene | geroprotector |
4-carboxyfluorescein
[no description available] | 2.15 | 1 | 0 | monocarboxylic acid | fluorochrome |
5,5'-bis(8-(phenylamino)-1-naphthalenesulfonate)
[no description available] | 2.05 | 1 | 0 | | |
5-iodoacetamidofluorescein
[no description available] | 1.97 | 1 | 0 | | |
2-(2-(5-carboxy)oxazole)-5-hydroxy-6-aminobenzofuran-n,n,o-triacetic acid
2-(2-(5-carboxy)oxazole)-5-hydroxy-6-aminobenzofuran-N,N,O-triacetic acid: structure given in first source | 2 | 1 | 0 | | |
lysyl-aspartyl-glutamyl-leucine
lysyl-aspartyl-glutamyl-leucine: retains type II surface membrane proteins in the endoplasmic reticulum; RN refers to all (L)-isomer | 1.98 | 1 | 0 | | |
4-dimethylaminoazobenzene-4'-iodoacetamide
4-dimethylaminoazobenzene-4'-iodoacetamide: structure given in first source | 3.23 | 6 | 0 | | |
4-dimethylaminophenylazophenyl-4'-maleimide
[no description available] | 3.78 | 11 | 0 | | |
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. | 2.88 | 4 | 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 |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.46 | 2 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
n-(2-(1-maleimidyl)ethyl)-7-(diethylamino)coumarin-3-carboxamide
N-(2-(1-maleimidyl)ethyl)-7-(diethylamino)coumarin-3-carboxamide: structure given in first source | 2.02 | 1 | 0 | | |
chrysamine g
chrysamine G: structure given in first source; RN refers to disodium salt | 2.05 | 1 | 0 | | |
uniblue a
uniblue A: structure in first source | 2.08 | 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. | 3.84 | 12 | 0 | biotins;
vitamin B7 | coenzyme;
cofactor;
Escherichia coli metabolite;
fundamental metabolite;
human metabolite;
mouse metabolite;
nutraceutical;
prosthetic group;
Saccharomyces cerevisiae metabolite |
angiotensin ii
Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | 2.01 | 1 | 0 | amino acid zwitterion;
angiotensin II | human metabolite |
aflatoxin b1
Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11. | 2.36 | 2 | 0 | aflatoxin;
aromatic ether;
aromatic ketone | carcinogenic agent;
human metabolite |
carbocysteine
Carbocysteine: A compound formed when iodoacetic acid reacts with sulfhydryl groups in proteins. It has been used as an anti-infective nasal spray with mucolytic and expectorant action.. S-carboxymethyl-L-cysteine : An L-cysteine thioether that is L-cysteine in which the hydrogen of the thiol group has been replaced by a carboxymethyl group. | 2.38 | 2 | 0 | L-cysteine thioether;
non-proteinogenic L-alpha-amino acid | mucolytic |
cholic acid
Cholic Acid: A major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion.. cholic acid : A bile acid that is 5beta-cholan-24-oic acid bearing three alpha-hydroxy substituents at position 3, 7 and 12. | 1.93 | 1 | 0 | 12alpha-hydroxy steroid;
3alpha-hydroxy steroid;
7alpha-hydroxy steroid;
bile acid;
C24-steroid;
trihydroxy-5beta-cholanic acid | human metabolite;
mouse metabolite |
estradiol 3-benzoate
17beta-estradiol 3-benzoate : A benzoate ester resulting from the formal condensation of benzoic acid with the phenolic hydroxy group of 17beta-estradiol. | 1.99 | 1 | 0 | 17beta-hydroxy steroid;
benzoate ester | estrogen receptor agonist;
xenoestrogen |
cortisone
[no description available] | 2.85 | 4 | 0 | 11-oxo steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 1.95 | 1 | 0 | | |
dihydropyridines
Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 1.98 | 1 | 0 | | |
glycogen
glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues. | 8.19 | 6 | 0 | | |
n-acetylneuraminic acid
N-Acetylneuraminic Acid: An N-acyl derivative of neuraminic acid. N-acetylneuraminic acid occurs in many polysaccharides, glycoproteins, and glycolipids in animals and bacteria. (From Dorland, 28th ed, p1518). N-acetylneuraminic acid : An N-acylneuraminic acid where the N-acyl group is specified as acetyl. | 2.36 | 2 | 0 | N-acetylneuraminic acids | antioxidant;
bacterial metabolite;
EC 3.2.1.18 (exo-alpha-sialidase) inhibitor;
human metabolite;
mouse metabolite |
hexacyanoferrate iii
hexacyanoferrate III: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
naringenin
(S)-naringenin : The (S)-enantiomer of naringenin. | 2.05 | 1 | 0 | (2S)-flavan-4-one;
naringenin | expectorant;
plant metabolite |
dithioerythritol
[no description available] | 2.36 | 2 | 0 | 1,4-dimercaptobutane-2,3-diol | reducing agent |
theanine
theanine: RN given refers to (L)-isomer; precursor of ethylamine; found in green tea. N(5)-ethyl-L-glutamine : A N(5)-alkylglutamine where the alkyl group is ethyl. It has been isolated from green tea. | 2.04 | 1 | 0 | amino acid zwitterion;
N(5)-alkyl-L-glutamine | geroprotector;
neuroprotective agent;
plant metabolite |
puromycin
[no description available] | 1.95 | 1 | 0 | puromycins | antiinfective agent;
antimicrobial agent;
antineoplastic agent;
EC 3.4.11.14 (cytosol alanyl aminopeptidase) inhibitor;
EC 3.4.14.2 (dipeptidyl-peptidase II) inhibitor;
nucleoside antibiotic;
protein synthesis inhibitor |
taxifolin
(+)-taxifolin : A taxifolin that has (2R,3R)-configuration. | 2.05 | 1 | 0 | taxifolin | metabolite |
monoiodotyrosine
Monoiodotyrosine: A product from the iodination of tyrosine. In the biosynthesis of thyroid hormones (THYROXINE and TRIIODOTHYRONINE), tyrosine is first iodized to monoiodotyrosine.. iodotyrosine : A tyrosine derivative which has at least one iodo-substituent on the benzyl moiety.. monoiodotyrosine : An iodotyrosine carrying a single iodo substituent.. 3-iodo-L-tyrosine : The monoiodotyrosine that is L-tyrosine carrying an iodo-substituent at position C-3 of the benzyl group. | 1.96 | 1 | 0 | amino acid zwitterion;
L-tyrosine derivative;
monoiodotyrosine;
non-proteinogenic L-alpha-amino acid | EC 1.14.16.2 (tyrosine 3-monooxygenase) inhibitor;
human metabolite;
mouse metabolite |
inositol 3-phosphate
inositol 3-phosphate: RN given refers to (myo)-isomer | 1.99 | 1 | 0 | | |
strychnine
Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.. strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. | 1.94 | 1 | 0 | monoterpenoid indole alkaloid;
organic heteroheptacyclic compound | avicide;
cholinergic antagonist;
glycine receptor antagonist;
neurotransmitter agent;
rodenticide |
griseofulvin
Griseofulvin: An antifungal agent used in the treatment of TINEA infections.. griseofulvin : An oxaspiro compound produced by Penicillium griseofulvum. It is used by mouth as an antifungal drug for infections involving the scalp, hair, nails and skin that do not respond to topical treatment. | 3.44 | 2 | 0 | 1-benzofurans;
antibiotic antifungal drug;
benzofuran antifungal drug;
organochlorine compound;
oxaspiro compound | antibacterial agent;
Penicillium metabolite |
ochratoxin a
ochratoxin A: structure in first source & in Merck, 9th ed, #6549. ochratoxin A : A phenylalanine derivative resulting from the formal condensation of the amino group of L-phenylalanine with the carboxy group of (3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carboxylic acid (ochratoxin alpha). It is among the most widely occurring food-contaminating mycotoxins, produced by Aspergillus ochraceus, Aspergillus carbonarius and Penicillium verrucosum. | 1.96 | 1 | 0 | isochromanes;
monocarboxylic acid amide;
N-acyl-L-phenylalanine;
organochlorine compound;
phenylalanine derivative | Aspergillus metabolite;
calcium channel blocker;
carcinogenic agent;
mycotoxin;
nephrotoxin;
Penicillium metabolite;
teratogenic agent |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.75 | 3 | 0 | cyclodextrin | |
tretinoin
Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).. retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).. all-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry. | 1.95 | 1 | 0 | retinoic acid;
vitamin A | anti-inflammatory agent;
antineoplastic agent;
antioxidant;
AP-1 antagonist;
human metabolite;
keratolytic drug;
retinoic acid receptor agonist;
retinoid X receptor agonist;
signalling molecule |
alpha-cyclodextrin
alpha-cyclodextrin : A cycloamylose composed of six alpha-(1->4) linked D-glucopyranose units. | 2.48 | 2 | 0 | cyclodextrin | |
resveratrol
trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.05 | 1 | 0 | resveratrol | antioxidant;
phytoalexin;
plant metabolite;
quorum sensing inhibitor;
radical scavenger |
retinol
Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 3.22 | 6 | 0 | retinol;
vitamin A | human metabolite;
mouse metabolite;
plant metabolite |
oleic acid
Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 1.94 | 1 | 0 | octadec-9-enoic acid | antioxidant;
Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite;
solvent |
ferulic acid
ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.05 | 1 | 0 | ferulic acids | anti-inflammatory agent;
antioxidant;
apoptosis inhibitor;
cardioprotective agent;
MALDI matrix material;
plant metabolite |
texas red
Texas red: hydrophilic Texas red; structure given in first source | 1.99 | 1 | 0 | organic heteroheptacyclic compound | fluorochrome |
dactinomycin
Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 4.43 | 7 | 0 | actinomycin | mutagen |
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. | 2.38 | 2 | 0 | pentapeptide;
peptide zwitterion | analgesic;
delta-opioid receptor agonist;
human metabolite;
mu-opioid receptor agonist;
neurotransmitter;
rat metabolite |
riboflavin
vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 4.54 | 26 | 0 | flavin;
vitamin B2 | anti-inflammatory agent;
antioxidant;
cofactor;
Escherichia coli metabolite;
food colouring;
fundamental metabolite;
human urinary metabolite;
mouse metabolite;
photosensitizing agent;
plant metabolite |
bromochloroacetic acid
Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process. | 2.37 | 2 | 0 | 2-bromocarboxylic acid;
monocarboxylic acid;
organochlorine compound | |
3-coumaric acid
3-coumaric acid: RN given refers to cpd without isomeric designation in Chemline. trans-3-coumaric acid : A 3-coumaric acid that is phenol substituted with trans-2-propenoic acid at position C-3.. 3-coumaric acid : A monohydroxycinnamic acid in which the hydroxy substituent is located at C-3 of the phenyl ring. | 2.05 | 1 | 0 | 3-coumaric acid | |
glycosides
[no description available] | 3.04 | 1 | 0 | | |
chalcone
trans-chalcone : The trans-isomer of chalcone. | 2.05 | 1 | 0 | chalcone | EC 3.2.1.1 (alpha-amylase) inhibitor |
isomethyleugenol
Methylation: Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) | 4.65 | 29 | 0 | isomethyleugenol | |
piperine
piperine : A N-acylpiperidine that is piperidine substituted by a (1E,3E)-1-(1,3-benzodioxol-5-yl)-5-oxopenta-1,3-dien-5-yl group at the nitrogen atom. It is an alkaloid isolated from the plant Piper nigrum. | 1.99 | 1 | 0 | benzodioxoles;
N-acylpiperidine;
piperidine alkaloid;
tertiary carboxamide | food component;
human blood serum metabolite;
NF-kappaB inhibitor;
plant metabolite |
retinol acetate
retinol acetate: structure given in first source | 1.97 | 1 | 0 | acetate ester | |
stilbenes
Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 5.14 | 6 | 0 | stilbene | |
4-dimethylaminostilbene
4-dimethylaminostilbene: RN given refers to cpd without isomeric designation; structure | 2.34 | 2 | 0 | | |
picibanil
Picibanil: A lyophilized preparation of a low-virulence strain (SU) of Streptococcus pyogenes (S. hemolyticus), inactivated by heating with penicillin G. It has been proposed as a noncytotoxic antineoplastic agent because of its immune system-stimulating activity. | 1.97 | 1 | 0 | penicillinate anion | |
sorbic acid
Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 1.95 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid;
sorbic acid | |
flavin-adenine dinucleotide
Flavin-Adenine Dinucleotide: A condensation product of riboflavin and adenosine diphosphate. The coenzyme of various aerobic dehydrogenases, e.g., D-amino acid oxidase and L-amino acid oxidase. (Lehninger, Principles of Biochemistry, 1982, p972) | 3.33 | 7 | 0 | flavin adenine dinucleotide;
vitamin B2 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prosthetic group |
azidopine
azidopine: structure given in first source | 1.98 | 1 | 0 | benzamides | |
dithizone
Dithizone: Chelating agent used for heavy metal poisoning and assay. It causes diabetes. | 1.93 | 1 | 0 | | |
methylthiouracil
Methylthiouracil: A thiourea antithyroid agent that inhibits the synthesis of thyroid hormone. It is used in the treatment of hyperthyroidism. | 3.04 | 1 | 0 | pyrimidone | |
urocanic acid
Urocanic Acid: 4-Imidazoleacrylic acid.. urocanic acid : An alpha,beta-unsaturated monocarboxylic acid that is prop-2-enoic acid substituted by a 1H-imidazol-4-yl group at position 3. It is a metabolite of hidtidine.. trans-urocanic acid : A urocanic acid in which the double bond of the carboxyethene moiety has E configuration. | 1.99 | 1 | 0 | urocanic acid | human metabolite |
dieldrin
Dieldrin: An organochlorine insecticide whose use has been cancelled or suspended in the United States. It has been used to control locusts, tropical disease vectors, in termite control by direct soil injection, and non-food seed and plant treatment. (From HSDB). dieldrin : An organochlorine compound resulting from the epoxidation of the double bond of aldrin. It is the active metabolite of the proinsecticde aldrin. | 2.87 | 4 | 0 | epoxide;
organochlorine compound;
organochlorine insecticide | carcinogenic agent;
xenobiotic |
curcumin
Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.. curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. | 2.05 | 1 | 0 | aromatic ether;
beta-diketone;
diarylheptanoid;
enone;
polyphenol | anti-inflammatory agent;
antifungal agent;
antineoplastic agent;
biological pigment;
contraceptive drug;
dye;
EC 1.1.1.205 (IMP dehydrogenase) inhibitor;
EC 1.1.1.21 (aldehyde reductase) inhibitor;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor;
EC 1.8.1.9 (thioredoxin reductase) inhibitor;
EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
flavouring agent;
food colouring;
geroprotector;
hepatoprotective agent;
immunomodulator;
iron chelator;
ligand;
lipoxygenase inhibitor;
metabolite;
neuroprotective agent;
nutraceutical;
radical scavenger |
thiohydantoins
Thiohydantoins: Sulfur analogs of hydantoins with one or both carbonyl groups replaced by thiocarbonyl groups. | 3.91 | 13 | 0 | | |
capsaicin
ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief. capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers. | 1.98 | 1 | 0 | capsaicinoid | non-narcotic analgesic;
TRPV1 agonist;
voltage-gated sodium channel blocker |
threoninol
[no description available] | 2.04 | 1 | 0 | | |
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. | 3.04 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
D-fructopyranose
[no description available] | 1.94 | 1 | 0 | cyclic hemiketal;
D-fructose;
fructopyranose | sweetening agent |
thioacetamide
Thioacetamide: A crystalline compound used as a laboratory reagent in place of HYDROGEN SULFIDE. It is a potent hepatocarcinogen.. thioacetamide : A thiocarboxamide consiting of acetamide having the oxygen replaced by sulfur. | 3.32 | 7 | 0 | thiocarboxamide | hepatotoxic agent |
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. | 2.03 | 1 | 0 | aminoxyls;
piperidines | catalyst;
ferroptosis inhibitor;
radical scavenger |
tamoxifen
[no description available] | 7 | 1 | 0 | stilbenoid;
tertiary amino compound | angiogenesis inhibitor;
antineoplastic agent;
bone density conservation agent;
EC 1.2.3.1 (aldehyde oxidase) inhibitor;
EC 2.7.11.13 (protein kinase C) inhibitor;
estrogen antagonist;
estrogen receptor antagonist;
estrogen receptor modulator |
nadp
[no description available] | 4.34 | 21 | 0 | | |
5-carboxytetramethylrhodamine succinimidyl ester
[no description available] | 2 | 1 | 0 | | |
2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole
2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole: an amyloid imaging agent; structure in first source | 2.13 | 1 | 0 | | |
cobaltous chloride
cobaltous chloride: RN given refers to unlabeled cpd; RN in Chemline for cobalt trichloride: 10241-04-0; RN for 60-labeled cpd: 14543-09-0; RN for 57-labeled cpd: 164113-89-1; RN for 58-labeled cpd: 29377-09-1; structure. cobalt dichloride : A cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is chloride. It is used as an indicator for water in desiccants. | 1.97 | 1 | 0 | cobalt salt;
inorganic chloride | allergen;
calcium channel blocker;
sensitiser;
two-colour indicator |
1,2-bis(2-aminophenoxy)ethane n,n,n',n'-tetraacetic acid acetoxymethyl ester
[no description available] | 2.05 | 1 | 0 | | |
dabth
[no description available] | 3.47 | 8 | 0 | | |
cystine
[no description available] | 8.04 | 5 | 0 | | |
phosphothreonine
Phosphothreonine: The phosphoric acid ester of threonine. Used as an identifier in the analysis of peptides, proteins, and enzymes.. O-phospho-L-threonine : A L-threonine derivative phosphorylated at the side-chain hydroxy function. | 2.67 | 3 | 0 | L-threonine derivative;
non-proteinogenic L-alpha-amino acid;
O-phosphoamino acid | Escherichia coli metabolite |
ovalbumin
Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 2.64 | 3 | 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. | 3.56 | 9 | 0 | organic sodium salt | detergent;
protein denaturant |
alpha-chymotrypsin
Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 3.08 | 5 | 0 | | |
17-ketosteroids
17-Ketosteroids: Steroids that contain a ketone group at position 17.. 17-oxo steroid : Any oxo steroid carrying the oxo group at position 17. | 1.94 | 1 | 0 | | |
naphthoquinones
Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 1.94 | 1 | 0 | | |
3-nitro-o-phenylenediamine
3-nitro-o-phenylenediamine: an aromatic amine and nitro compound | 1.92 | 1 | 0 | | |
myelin basic protein
Myelin Basic Protein: An abundant cytosolic protein that plays a critical role in the structure of multilamellar myelin. Myelin basic protein binds to the cytosolic sides of myelin cell membranes and causes a tight adhesion between opposing cell membranes. | 3.06 | 1 | 0 | | |
diethyl maleate
diethyl maleate : A maleate ester resulting from the formal condensation of both carboxy groups of maleic acid with ethanol. A colourless liquid at room temperature (m.p. -10degreeC) with boiling point 220degreeC at 1 atm., it is commonly used as a dienophile for Diels-Alder-type cycloaddition reactions in organic synthesis. | 1.96 | 1 | 0 | ethyl ester;
maleate ester | glutathione depleting agent |
sphingosine
sphing-4-enine : A sphingenine in which the C=C double bond is located at the 4-position.. sphingenine : A 2-aminooctadecene-1,3-diol having (2S,3R)-configuration.. sphingoid : Sphinganine, its homologs and stereoisomers, and the hydroxy and unsaturated derivatives of these compounds.. 2-aminooctadec-4-ene-1,3-diol : A 2-aminooctadecene-1,3-diol having its double bond at position 4. | 1.96 | 1 | 0 | sphing-4-enine | human metabolite;
mouse metabolite |
quercetin
[no description available] | 2.41 | 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 |
bilirubin
[no description available] | 2.64 | 3 | 0 | biladienes;
dicarboxylic acid | antioxidant;
human metabolite;
mouse metabolite |
sterigmatocystin
[no description available] | 4.26 | 3 | 0 | sterigmatocystins | metabolite |
apigenin
Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | 2.44 | 2 | 0 | trihydroxyflavone | antineoplastic agent;
metabolite |
linoleic acid
Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 1.94 | 1 | 0 | octadecadienoic acid;
omega-6 fatty acid | algal metabolite;
Daphnia galeata metabolite;
plant metabolite |
vitamin k semiquinone radical
vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 1.93 | 1 | 0 | | |
beta carotene
beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 1.99 | 1 | 0 | carotenoid beta-end derivative;
cyclic carotene | antioxidant;
biological pigment;
cofactor;
ferroptosis inhibitor;
human metabolite;
mouse metabolite;
plant metabolite;
provitamin A |
kaempferol
[no description available] | 2.05 | 1 | 0 | 7-hydroxyflavonol;
flavonols;
tetrahydroxyflavone | antibacterial agent;
geroprotector;
human blood serum metabolite;
human urinary metabolite;
human xenobiotic metabolite;
plant metabolite |
harmine
Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's.. harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. | 2.65 | 3 | 0 | harmala alkaloid | anti-HIV agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
metabolite |
genistein
[no description available] | 2.41 | 2 | 0 | 7-hydroxyisoflavones | antineoplastic agent;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
geroprotector;
human urinary metabolite;
phytoestrogen;
plant metabolite;
tyrosine kinase inhibitor |
harman
harman: a beta-carboline; RN given refers to parent cpd; structure. harman : An indole alkaloid fundamental parent with a structure of 9H-beta-carboline carrying a methyl substituent at C-1. It has been isolated from the bark of Sickingia rubra, Symplocus racemosa, Passiflora incarnata, Peganum harmala, Banisteriopsis caapi and Tribulus terrestris, as well as from tobacco smoke. It is a specific, reversible inhibitor of monoamine oxidase A. | 6.96 | 1 | 0 | harmala alkaloid;
indole alkaloid fundamental parent;
indole alkaloid | anti-HIV agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
plant metabolite |
myricetin
[no description available] | 2.44 | 2 | 0 | 7-hydroxyflavonol;
hexahydroxyflavone | antineoplastic agent;
antioxidant;
cyclooxygenase 1 inhibitor;
food component;
geroprotector;
hypoglycemic agent;
plant metabolite |
rosmarinic acid
rosmarinic acid: RN given refers to parent cpd; promote OT project. (R)-rosmarinic acid : A stereoisomer of rosmarinic acid having (R)-configuration.. rosmarinic acid : The 1-carboxy-2-(2,4-dihydroxyphenyl)ethyl ester of trans-caffeic acid. | 2.05 | 1 | 0 | rosmarinic acid | geroprotector;
plant metabolite |
ellagic acid
[no description available] | 2.05 | 1 | 0 | catechols;
cyclic ketone;
lactone;
organic heterotetracyclic compound;
polyphenol | antioxidant;
EC 1.14.18.1 (tyrosinase) inhibitor;
EC 2.3.1.5 (arylamine N-acetyltransferase) inhibitor;
EC 2.4.1.1 (glycogen phosphorylase) inhibitor;
EC 2.5.1.18 (glutathione transferase) inhibitor;
EC 2.7.1.127 (inositol-trisphosphate 3-kinase) inhibitor;
EC 2.7.1.151 (inositol-polyphosphate multikinase) inhibitor;
EC 2.7.4.6 (nucleoside-diphosphate kinase) inhibitor;
EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
food additive;
fungal metabolite;
geroprotector;
plant metabolite;
skin lightening agent |
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. | 2.36 | 2 | 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 |
benzphetamine
Benzphetamine: A sympathomimetic agent with properties similar to DEXTROAMPHETAMINE. It is used in the treatment of obesity. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1222). benzphetamine : Dextroamphetamine in which the the hydrogens attached to the amino group are substituted by a methyl and a benzyl group. A sympathomimetic agent with properties similar to dextroamphetamine, it is used as its hydrochloride salt in the treatment of obesity. | 1.95 | 1 | 0 | amphetamines;
tertiary amine | adrenergic uptake inhibitor;
appetite depressant;
dopamine uptake inhibitor;
sympathomimetic agent |
diferuloylputrescine
diferuloylputrescine: structure in first source | 2.05 | 1 | 0 | hydroxycinnamic acid | |
casein kinase ii
Casein Kinase II: A ubiquitous casein kinase that is comprised of two distinct catalytic subunits and dimeric regulatory subunit. Casein kinase II has been shown to phosphorylate a large number of substrates, many of which are proteins involved in the regulation of gene expression. | 2.05 | 1 | 0 | | |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.06 | 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. | 1.97 | 1 | 0 | 1,1'-azobis(N,N-dimethylformamide) | |
cesium
Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency. | 1.94 | 1 | 0 | alkali metal atom | |
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) | 1.94 | 1 | 0 | metalloid atom;
pnictogen | micronutrient |
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. | 7.34 | 2 | 0 | chalcogen;
nonmetal atom | macronutrient |
glyceryl behenate
1-behenoylglycerol : A fatty acid ester resulting from the formal condensation of the hydroxy group at position-1 of glycerol with the carboxy group of docosanoic acid. | 2.03 | 1 | 0 | 1-monoglyceride;
fatty acid ester | antineoplastic agent;
plant metabolite |
methylazoxymethanol acetate
Methylazoxymethanol Acetate: The aglycone of CYCASIN. It acts as a potent carcinogen and neurotoxin and inhibits hepatic DNA, RNA, and protein synthesis. | 2.37 | 2 | 0 | azoxy compound | |
3,4',5-trimethoxystilbene
3,4',5-trimethoxystilbene: structure in first source | 2.05 | 1 | 0 | | |
dimyristoylphosphatidylcholine
1,2-di-O-myristoyl-sn-glycero-3-phosphocholine : A 1,2-diacyl-sn-glycero-3-phosphocholine where the two phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl).. dimyristoyl phosphatidylcholine : A phosphatidylcholine where the phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl). | 1.98 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine;
phosphatidylcholine 28:0;
tetradecanoate ester | antigen;
mouse metabolite |
fumarates
Fumarates: Compounds based on fumaric acid.. fumarate(2-) : A C4-dicarboxylate that is the E-isomer of but-2-enedioate(2-) | 2.37 | 2 | 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. | 9.6 | 27 | 0 | cysteinium | fundamental metabolite |
thyronines
Thyronines: A group of metabolites derived from THYROXINE and TRIIODOTHYRONINE via the peripheral enzymatic removal of iodines from the thyroxine nucleus. Thyronine is the thyroxine nucleus devoid of its four iodine atoms.. thyronine : A tyrosine derivative where the phenolic hydrogen of tyrosine is substituted by 4-hydroxyphenyl. | 1.96 | 1 | 0 | thyronine | |
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 8.19 | 6 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
pepstatin
pepstatin: inhibits the aspartic protease endothiapepsin | 1.97 | 1 | 0 | pentapeptide;
secondary carboxamide | bacterial metabolite;
EC 3.4.23.* (aspartic endopeptidase) inhibitor |
succinyl-alanyl-alanyl-prolyl-phenylalanine-4-nitroanilide
succinyl-alanyl-alanyl-prolyl-phenylalanine-4-nitroanilide: chromogenic chymotrypsin substrate | 1.98 | 1 | 0 | | |
3,3'-dioctadecylindocarbocyanine
3,3'-dioctadecylindocarbocyanine: RN given refers to parent cpd. dilC18(3)(1+) : The cationic form of a C3 cyanine dye having 3,3-dimethyl-1-octadecylindoleinine units at each end. | 1.98 | 1 | 0 | Cy5 dye;
indolium ion | fluorochrome |
carbocyanines
Carbocyanines: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials. | 2.4 | 2 | 0 | cyanine dye;
organic iodide salt | fluorochrome |
urobilin
[no description available] | 2.34 | 2 | 0 | | |
ammonium sulfate
Ammonium Sulfate: Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins.. ammonium sulfate : An inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia. A high-melting (decomposes above 280degreeC) white solid which is very soluble in water (70.6 g/100 g water at 0degreeC; 103.8 g/100 g water at 100degreeC), it is widely used as a fertilizer for alkaline soils. | 4.15 | 5 | 0 | ammonium salt;
inorganic sulfate salt | fertilizer |
phenyl-3-methoxy-4-hydroxystyryl ketone
phenyl-3-methoxy-4-hydroxystyryl ketone: structure given in first source | 2.05 | 1 | 0 | | |
rifamycin sv
rifamycin SV: RN given refers to parent cpd; structure in Merck Index, 9th ed, #8009. rifamycin SV : A member of the class of rifamycins that exhibits antibiotic and antitubercular properties. | 2.03 | 1 | 0 | acetate ester;
cyclic ketal;
lactam;
macrocycle;
organic heterotetracyclic compound;
polyphenol;
rifamycins | antimicrobial agent;
antitubercular agent;
bacterial metabolite |
ro 42-5892
remikiren : An L-histidine derivative that is L-histidine in which one of the amino hydrogens is replaced by a (2S)-2-[(2-methylpropane-2-sulfonyl)methyl]-3-phenylpropanoyl group and the carboxy group is replaced by a [(2S,3R,4S)-1-cyclohexyl-4-cyclopropyl-3,4-dihydroxybutan-2-yl]amino group. It is a renin inhibitor which was under development for the treatment of hypertension (now discontinued). | 1.97 | 1 | 0 | cyclopropanes;
diol;
L-histidine derivative;
secondary carboxamide;
sulfone | antihypertensive agent;
EC 3.4.23.15 (renin) inhibitor;
peptidomimetic;
vasodilator agent |
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. | 2.04 | 1 | 0 | azatetracycloalkane;
oxatetracycloalkane;
quinazoline alkaloid | animal metabolite;
bacterial metabolite;
marine metabolite;
neurotoxin;
voltage-gated sodium channel blocker |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.65 | 3 | 0 | chalcogen;
nonmetal atom | micronutrient |
radium
Radium: A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra and atomic number 88. Radium is the product of the disintegration of URANIUM and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY. | 3.04 | 1 | 0 | alkaline earth metal atom | |
oxalates
Oxalates: Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure. | 1.96 | 1 | 0 | | |
pregnanediol
[no description available] | 1.94 | 1 | 0 | | |
1-palmitoyl-2-oleoylphosphatidylcholine
1-palmitoyl-2-oleoylphosphatidylcholine: RN given refers to (Z)-isomer | 2.15 | 1 | 0 | | |
beta-escin
[no description available] | 1.94 | 1 | 0 | | |
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. | 1.95 | 1 | 0 | isoquinoline alkaloid fundamental parent;
morphinane alkaloid | |
staurosporine
staurosporinium : Conjugate acid of staurosporine. | 2.1 | 1 | 0 | ammonium ion derivative | |
mocetinostat
mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 2.39 | 2 | 0 | aminopyrimidine;
benzamides;
pyridines;
secondary amino compound;
secondary carboxamide;
substituted aniline | antineoplastic agent;
apoptosis inducer;
autophagy inducer;
cardioprotective agent;
EC 3.5.1.98 (histone deacetylase) inhibitor;
hepatotoxic agent |
tetramethylrhodamine
tetramethylrhodamine: RN given refers to perchlorate; structure | 2 | 1 | 0 | xanthene dye | |
dimethoxycurcumin
dimethoxycurcumin: has antineoplsatic activity; structure in first source | 2.05 | 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. | 2.45 | 2 | 0 | | |
oxadiazoles
Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 1.94 | 1 | 0 | | |
nystatin a1
Nystatin: Macrolide antifungal antibiotic complex produced by Streptomyces noursei, S. aureus, and other Streptomyces species. The biologically active components of the complex are nystatin A1, A2, and A3.. nystatin : A heterogeneous mixture of polyene compounds produced by cultures of Streptomyces noursei. It mainly consists of three biologically active components designated nystatin A1, nystatin A2, and nystatin A3. It is used to treat oral and dermal fungal infections.. nystatin A1 : A polyene macrolide antibiotic; part of the nystatin complex produced by several Streptomyces species. It is an antifungal antibiotic used for the treatment of topical fungal infections caused by a broad spectrum of fungal pathogens comprising yeast-like and filamentous species. | 2.03 | 1 | 0 | nystatins | |
sepharose
agarose : A linear polysaccharide made up from alternating D-galactose and 3,6-anhydro-alpha-L-galactopyranose residues joined by alpha-(1->3)- and beta-(1->4)-linkages. | 1.96 | 1 | 0 | | |
scopolamine hydrobromide
[no description available] | 1.95 | 1 | 0 | | |
acid phosphatase
Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 4.08 | 16 | 0 | | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 3.74 | 11 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
glucagon
Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 3.2 | 6 | 0 | peptide hormone | |
neuropeptide y
Neuropeptide Y: A 36-amino acid peptide present in many organs and in many sympathetic noradrenergic neurons. It has vasoconstrictor and natriuretic activity and regulates local blood flow, glandular secretion, and smooth muscle activity. The peptide also stimulates feeding and drinking behavior and influences secretion of pituitary hormones. | 1.99 | 1 | 0 | | |
angiotensinogen
Angiotensinogen: An alpha-globulin of about 453 amino acids, depending on the species. It is produced by the liver in response to lowered blood pressure and secreted into blood circulation. Angiotensinogen is the inactive precursor of the ANGIOTENSINS produced in the body by successive enzyme cleavages. Cleavage of angiotensinogen by RENIN yields the decapeptide ANGIOTENSIN I. Further cleavage of angiotensin I (by ANGIOTENSIN CONVERTING ENZYME) yields the potent vasoconstrictor octapeptide ANGIOTENSIN II; and then, via other enzymes, other angiotensins also involved in the hemodynamic-regulating RENIN-ANGIOTENSIN SYSTEM. | 1.96 | 1 | 0 | | |
tannins
Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing. | 3.44 | 2 | 0 | | |
oligonucleotides
[no description available] | 2.97 | 4 | 0 | | |
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.63 | 3 | 0 | glycoside | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 3.05 | 5 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
sodium salicylate
[no description available] | 1.94 | 1 | 0 | organic molecular entity | |
ubiquinone
Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 2.37 | 2 | 0 | | |
calpain
Calpain: Cysteine proteinase found in many tissues. Hydrolyzes a variety of endogenous proteins including NEUROPEPTIDES; CYTOSKELETAL PROTEINS; proteins from SMOOTH MUSCLE; CARDIAC MUSCLE; liver; platelets; and erythrocytes. Two subclasses having high and low calcium sensitivity are known. Removes Z-discs and M-lines from myofibrils. Activates phosphorylase kinase and cyclic nucleotide-independent protein kinase. This enzyme was formerly listed as EC 3.4.22.4. | 2.46 | 2 | 0 | | |
biotinyltyramide
biotinyltyramide: used in sensitive light microscopic immunochemistry | 2 | 1 | 0 | | |
chitosan
[no description available] | 2.17 | 1 | 0 | | |
methyl orange
methyl orange: indictor of pH with strong acids & bases; also used as reagent to form ion pairs with, and thereby isolate, certain compounds from biological material; minor descriptor (75-86); on-line & INDEX MEDICUS search AZO COMPOUNDS (75-86); file maintained to Azo cpds | 1.96 | 1 | 0 | | |
merocyanine dye
merocyanine dye: fluorescent dye used for studying axons 2 position on pyrimidine ring may be S or O; RN given refers to Na salt; structure | 1.97 | 1 | 0 | | |
sodium ethylxanthate
Sex: The totality of characteristics of reproductive structure, functions, PHENOTYPE, and GENOTYPE, differentiating the MALE from the FEMALE organism. | 1.93 | 1 | 0 | | |
alexa fluor 546
Alexa fluor 546: a fluorescent dye | 2.1 | 1 | 0 | organic heteropentacyclic compound | fluorochrome |
glycolipids
[no description available] | 1.95 | 1 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 2.37 | 2 | 0 | | |
methylcellulose
Methylcellulose: Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetics, pharmaceutics and the chemical industry. It is used therapeutically as a bulk laxative. | 1.94 | 1 | 0 | | |
vasoactive intestinal peptide
Vasoactive Intestinal Peptide: A highly basic, 28 amino acid neuropeptide released from intestinal mucosa. It has a wide range of biological actions affecting the cardiovascular, gastrointestinal, and respiratory systems and is neuroprotective. It binds special receptors (RECEPTORS, VASOACTIVE INTESTINAL PEPTIDE). | 1.98 | 1 | 0 | | |
heme
Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 3.22 | 6 | 0 | | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 8.82 | 12 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
tetracycline
Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 2.38 | 2 | 0 | | |
minocycline
Minocycline: A TETRACYCLINE analog, having a 7-dimethylamino and lacking the 5 methyl and hydroxyl groups, which is effective against tetracycline-resistant STAPHYLOCOCCUS infections.. minocycline : A tetracycline analogue having a dimethylamino group at position 7 and lacking the methyl and hydroxy groups at position 5. | 2.05 | 1 | 0 | | |
meclan
[no description available] | 2.44 | 2 | 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. | 3.1 | 5 | 0 | benzenes;
hydroxycoumarin;
methyl ketone | |
rolitetracycline
Rolitetracycline: A pyrrolidinylmethyl TETRACYCLINE.. rolitetracycline : A derivative of tetracycline in which the amide function is substituted with a pyrrolidinomethyl group. | 2.44 | 2 | 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. | 2.68 | 3 | 0 | | |
caseins
Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. | 3.04 | 5 | 0 | | |
phthalocyanine
phthalocyanine : A tetrapyrrole fundamental parent that consists of four isoindole-type units, with the connecting carbon atoms in the macrocycle replaced by nitrogen. | 2.03 | 1 | 0 | phthalocyanines;
tetrapyrrole fundamental parent | |
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents. | 2.35 | 2 | 0 | | |
hyaluronoglucosaminidase
Hyaluronoglucosaminidase: An enzyme that catalyzes the random hydrolysis of 1,4-linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate. (From Enzyme Nomenclature, 1992) There has been use as ANTINEOPLASTIC AGENTS to limit NEOPLASM METASTASIS. | 1.95 | 1 | 0 | | |
vitamin b 12
Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 2.86 | 4 | 0 | | |
transforming growth factor alpha
Transforming Growth Factor alpha: An EPIDERMAL GROWTH FACTOR related protein that is found in a variety of tissues including EPITHELIUM, and maternal DECIDUA. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form which binds to the EGF RECEPTOR. | 2.03 | 1 | 0 | | |
lacto-n-fucopentaose i
lacto-N-fucopentaose I: RN given refers to all D-isomer | 1.96 | 1 | 0 | | |
oxybiotin
oxybiotin: structure in first source | 1.93 | 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. | 1.95 | 1 | 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. | 1.95 | 1 | 0 | 3',5'-cyclic purine nucleotide;
guanyl ribonucleotide | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
deoxyguanosine
[no description available] | 2 | 1 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
guanosine triphosphate
Guanosine Triphosphate: Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. | 1.96 | 1 | 0 | guanosine 5'-phosphate;
purine ribonucleoside 5'-triphosphate | Escherichia coli metabolite;
mouse metabolite;
uncoupling protein inhibitor |
guanine
[no description available] | 2.37 | 2 | 0 | 2-aminopurines;
oxopurine;
purine nucleobase | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
guanosine
ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 3.05 | 1 | 0 | guanosines;
purines D-ribonucleoside | fundamental metabolite |
inosinic acid
Inosine Monophosphate: Inosine 5'-Monophosphate. A purine nucleotide which has hypoxanthine as the base and one phosphate group esterified to the sugar moiety. | 1.95 | 1 | 0 | inosine phosphate;
purine ribonucleoside 5'-monophosphate | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
allopurinol
Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 1.92 | 1 | 0 | nucleobase analogue;
organic heterobicyclic compound | antimetabolite;
EC 1.17.3.2 (xanthine oxidase) inhibitor;
gout suppressant;
radical scavenger |
azaguanine
Azaguanine: One of the early purine analogs showing antineoplastic activity. It functions as an antimetabolite and is easily incorporated into ribonucleic acids.. 8-azaguanine : A triazolopyrimidine that consists of 3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidine bearing amino and oxo substituents at positions 5 and 7 respectively. | 1.96 | 1 | 0 | nucleobase analogue;
triazolopyrimidines | antimetabolite;
antineoplastic agent;
EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor |
guanylyl imidodiphosphate
Guanylyl Imidodiphosphate: A non-hydrolyzable analog of GTP, in which the oxygen atom bridging the beta to the gamma phosphate is replaced by a nitrogen atom. It binds tightly to G-protein in the presence of Mg2+. The nucleotide is a potent stimulator of ADENYLYL CYCLASES.. guanosine 5'-[beta,gamma-imido]triphosphate : A nucleoside triphosphate analogue that is GTP in which the oxygen atom bridging the beta- to the gamma- phosphate is replaced by a nitrogen atom A non-hydrolyzable analog of GTP, it binds tightly to G-protein in the presence of Mg(2+). | 1.95 | 1 | 0 | nucleoside triphosphate analogue | |
8-hydroxyguanine
7,8-dihydro-8-oxoguanine: was substituted for guanine at G(8), G(9), G(14), or G(15) in the human telomeric oligonucleotide 5'-d[AGGGTTAG(8)G(9)GTT AG(14)G(15)GTTAGGGTGT]-3'. 7,8-dihydro-8-oxoguanine : An oxopurine that is guanine in which the hydrogen at position 8 is replaced by an oxo group and in which the nitrogens at positions 7 and 9 each bear a hydrogen. | 2.02 | 1 | 0 | oxopurine | |
trypan blue
Trypan Blue: A diazo-naphthalene sulfonate that is widely used as a stain.. trypan blue : An organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). | 2.63 | 3 | 0 | | |
azure c
Azure C: RN given refers to chloride. azure C : An organic chloride salt having 3-amino-7-(methylamino)phenothiazin-5-ium as the counterion. | 2.44 | 2 | 0 | | |
methylnitronitrosoguanidine
Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 3.75 | 3 | 0 | nitroso compound | alkylating agent |
8-hydroxy-2'-deoxyguanosine
8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 2 | 1 | 0 | guanosines | biomarker |
direct black 3
[no description available] | 1.97 | 1 | 0 | | |
cyanine dye 3
cyanine dye 3: structures of Cy3 derivatives given in first source | 2.02 | 1 | 0 | | |
eye
[no description available] | 1.98 | 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. | 2.64 | 3 | 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. | 2.42 | 2 | 0 | | |
dinitrobenzenes
Dinitrobenzenes: Benzene derivatives which are substituted with two nitro groups in the ortho, meta or para positions. | 3.48 | 2 | 0 | | |
phosphorus radioisotopes
Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 2.88 | 4 | 0 | | |
octaarginine
octaarginine: structure in first source | 2.31 | 1 | 0 | | |
pyrimidinones
Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 1.97 | 1 | 0 | | |
phenanthrenes
Phenanthrenes: POLYCYCLIC AROMATIC HYDROCARBONS composed of three fused BENZENE rings.. phenanthrenes : Any benzenoid aromatic compound that consists of a phenanthrene skeleton and its substituted derivatives thereof. | 3.45 | 2 | 0 | | |