| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
dinitrochlorobenzene
Dinitrochlorobenzene: A skin irritant that may cause dermatitis of both primary and allergic types. Contact sensitization with DNCB has been used as a measure of cellular immunity. DNCB is also used as a reagent for the detection and determination of pyridine compounds.. 1-chloro-2,4-dinitrobenzene : A C-nitro compound that is chlorobenzene carrying a nitro substituent at each of the 2- and 4-positions. | 2.67 | 3 | 0 | C-nitro compound;
monochlorobenzenes | allergen;
epitope;
sensitiser |
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. | 7.37 | 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). | 2.08 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
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. | 1.97 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
n(1)-acetylspermidine
N(1)-acetylspermidine : An acetylspermidine having the acetyl group at the N1-position. | 1.97 | 1 | 0 | acetylspermidine | Escherichia coli metabolite;
metabolite |
malic acid
malic acid : A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group.. 2-hydroxydicarboxylic acid : Any dicarboxylic acid carrying a hydroxy group on the carbon atom at position alpha to the carboxy group. | 1.96 | 1 | 0 | 2-hydroxydicarboxylic acid;
C4-dicarboxylic acid | food acidity regulator;
fundamental metabolite |
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.37 | 2 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 9.16 | 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 |
naphthalene
[no description available] | 1.97 | 1 | 0 | naphthalenes;
ortho-fused bicyclic arene | apoptosis inhibitor;
carcinogenic agent;
environmental contaminant;
mouse metabolite;
plant metabolite;
volatile oil component |
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) | 2.38 | 2 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
hydroxide ion
[no description available] | 2 | 1 | 0 | oxygen hydride | mouse metabolite |
putrescine
[no description available] | 1.97 | 1 | 0 | alkane-alpha,omega-diamine | antioxidant;
fundamental metabolite |
spermidine
[no description available] | 7.66 | 3 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
spermine
[no description available] | 1.97 | 1 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
taurine
[no description available] | 1.99 | 1 | 0 | amino sulfonic acid;
zwitterion | antioxidant;
Escherichia coli metabolite;
glycine receptor agonist;
human metabolite;
mouse metabolite;
nutrient;
radical scavenger;
Saccharomyces cerevisiae 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. | 1.96 | 1 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
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. | 2.67 | 3 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
acetaminophen
Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 8.22 | 6 | 0 | acetamides;
phenols | antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
cyclooxygenase 3 inhibitor;
environmental contaminant;
ferroptosis inducer;
geroprotector;
hepatotoxic agent;
human blood serum metabolite;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
altretamine
Altretamine: A hexamethyl-2,4,6-triamine derivative of 1,3,5-triazine. | 1.96 | 1 | 0 | triamino-1,3,5-triazine | |
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). | 1.98 | 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. | 1.96 | 1 | 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. | 2 | 1 | 0 | extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
cacodylic acid
dimethylarsinic acid : The organoarsenic compound that is arsenic acid substituted on the central arsenic atom with two methyl groups. | 2.37 | 2 | 0 | organoarsenic compound | xenobiotic metabolite |
carmustine
Carmustine: A cell-cycle phase nonspecific alkylating antineoplastic agent. It is used in the treatment of brain tumors and various other malignant neoplasms. (From Martindale, The Extra Pharmacopoeia, 30th ed, p462) This substance may reasonably be anticipated to be a carcinogen according to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (From Merck Index, 11th ed). carmustine : A member of the class of N-nitrosoureas that is 1,3-bis(2-chloroethyl)urea in which one of the nitrogens is substituted by a nitroso group. | 2.67 | 3 | 0 | N-nitrosoureas;
organochlorine compound | alkylating agent;
antineoplastic agent |
carbonyl cyanide m-chlorophenyl hydrazone
Carbonyl Cyanide m-Chlorophenyl Hydrazone: A proton ionophore. It is commonly used as an uncoupling agent and inhibitor of photosynthesis because of its effects on mitochondrial and chloroplast membranes.. CCCP : A member of the class of monochlorobenzenes that is benzene substituted by 2-(1,3-dinitrilopropan-2-ylidene)hydrazinyl and chloro groups at positions 1 and 3, respectively. It is a mitochondrial depolarizing agent that induces reactive oxygen species mediated cell death. | 2 | 1 | 0 | hydrazone;
monochlorobenzenes;
nitrile | antibacterial agent;
geroprotector;
ionophore |
clenbuterol
Clenbuterol: A substituted phenylaminoethanol that has beta-2 adrenomimetic properties at very low doses. It is used as a bronchodilator in asthma.. clenbuterol : A substituted aniline that is 2,6-dichloroaniline in which the hydrogen at position 4 has been replaced by a 2-(tert-butylamino)-1-hydroxyethyl group. | 1.99 | 1 | 0 | amino alcohol;
dichlorobenzene;
ethanolamines;
primary arylamine;
secondary amino compound;
substituted aniline | beta-adrenergic agonist;
bronchodilator agent;
sympathomimetic agent |
dapi
DAPI: RN given refers to parent cpd. | 1.99 | 1 | 0 | indoles | fluorochrome |
dichlobanil
2,6-dichlorobenzonitrile : A nitrile that is benzonitrile which is substituted by chlorines at positions 2 and 6. A cellulose synthesis inhibitor, it is used as a pre-emergent and early post-emergent herbicide. | 1.98 | 1 | 0 | dichlorobenzene;
nitrile | agrochemical;
cellulose synthesis inhibitor;
environmental contaminant;
herbicide;
xenobiotic |
ebselen
ebselen : A benzoselenazole that is 1,2-benzoselenazol-3-one carrying an additional phenyl substituent at position 2. Acts as a mimic of glutathione peroxidase. | 2 | 1 | 0 | benzoselenazole | anti-inflammatory drug;
antibacterial agent;
anticoronaviral agent;
antifungal agent;
antineoplastic agent;
antioxidant;
apoptosis inducer;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor;
EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor;
EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor;
EC 2.5.1.7 (UDP-N-acetylglucosamine 1-carboxyvinyltransferase) inhibitor;
EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor;
EC 3.1.3.25 (inositol-phosphate phosphatase) inhibitor;
EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor;
EC 3.5.4.1 (cytosine deaminase) inhibitor;
EC 5.1.3.2 (UDP-glucose 4-epimerase) inhibitor;
enzyme mimic;
ferroptosis inhibitor;
genotoxin;
hepatoprotective agent;
neuroprotective agent;
radical scavenger |
etanidazole
Etanidazole: A nitroimidazole that sensitizes hypoxic tumor cells that are normally resistant to radiation therapy.. etanidazole : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2-nitro-1H-imidazol-1-yl)acetic acid with the amino group of ethanolamine. Used as a radiosensitising agent for hypoxic tumour cells. | 1.96 | 1 | 0 | C-nitro compound;
imidazoles;
monocarboxylic acid amide | alkylating agent;
antineoplastic agent;
prodrug;
radiosensitizing agent |
ethacrynic acid
Ethacrynic Acid: A compound that inhibits symport of sodium, potassium, and chloride primarily in the ascending limb of Henle, but also in the proximal and distal tubules. This pharmacological action results in excretion of these ions, increased urinary output, and reduction in extracellular fluid. This compound has been classified as a loop or high ceiling diuretic.. etacrynic acid : An aromatic ether that is phenoxyacetic acid in which the phenyl ring is substituted by chlorines at positions 2 and 3, and by a 2-methylidenebutanoyl group at position 4. It is a loop diuretic used to treat high blood pressure resulting from diseases such as congestive heart failure, liver failure, and kidney failure. It is also a glutathione S-transferase (EC 2.5.1.18) inhibitor. | 1.98 | 1 | 0 | aromatic ether;
aromatic ketone;
dichlorobenzene;
monocarboxylic acid | EC 2.5.1.18 (glutathione transferase) inhibitor;
ion transport inhibitor;
loop diuretic |
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. | 6.97 | 1 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
fomepizole
Fomepizole: A pyrazole and competitive inhibitor of ALCOHOL DEHYDROGENASE that is used for the treatment of poisoning by ETHYLENE GLYCOL or METHANOL.. fomepizole : A member of the class of pyrazoles that is 1H-pyrazole substituted by a methyl group at position 4. | 2 | 1 | 0 | pyrazoles | antidote;
EC 1.1.1.1 (alcohol dehydrogenase) inhibitor;
protective agent |
halothane
[no description available] | 2.39 | 2 | 0 | haloalkane;
organobromine compound;
organochlorine compound;
organofluorine compound | inhalation anaesthetic |
lomustine
[no description available] | 1.96 | 1 | 0 | N-nitrosoureas;
organochlorine compound | alkylating agent;
antineoplastic agent |
metronidazole
Metronidazole: A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS.. metronidazole : A member of the class of imidazoles substituted at C-1, -2 and -5 with 2-hydroxyethyl, nitro and methyl groups respectively. It has activity against anaerobic bacteria and protozoa, and has a radiosensitising effect on hypoxic tumour cells. It may be given by mouth in tablets, or as the benzoate in an oral suspension. The hydrochloride salt can be used in intravenous infusions. Metronidazole is a prodrug and is selective for anaerobic bacteria due to their ability to intracellularly reduce the nitro group of metronidazole to give nitroso-containing intermediates. These can covalently bind to DNA, disrupting its helical structure, inducing DNA strand breaks and inhibiting bacterial nucleic acid synthesis, ultimately resulting in bacterial cell death. | 1.97 | 1 | 0 | C-nitro compound;
imidazoles;
primary alcohol | antiamoebic agent;
antibacterial drug;
antimicrobial agent;
antiparasitic agent;
antitrichomonal drug;
environmental contaminant;
prodrug;
radiosensitizing agent;
xenobiotic |
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. | 2 | 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. | 1.97 | 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 |
nitroglycerin
Nitroglycerin: A volatile vasodilator which relieves ANGINA PECTORIS by stimulating GUANYLATE CYCLASE and lowering cytosolic calcium. It is also sometimes used for TOCOLYSIS and explosives.. nitroglycerol : A nitrate ester that is glycerol in which nitro group(s) replace the hydrogen(s) attached to one or more of the hydroxy groups.. nitroglycerin : A nitroglycerol that is glycerol in which the hydrogen atoms of all three hydroxy groups are replaced by nitro groups. It acts as a prodrug, releasing nitric oxide to open blood vessels and so alleviate heart pain. | 1.98 | 1 | 0 | nitroglycerol | explosive;
muscle relaxant;
nitric oxide donor;
prodrug;
tocolytic agent;
vasodilator agent;
xenobiotic |
pd 98059
2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one: inhibits MAP kinase kinase (MEK) activity, p42 MAPK and p44 MAPK; structure in first source. 2-(2-amino-3-methoxyphenyl)chromen-4-one : A member of the class of monomethoxyflavones that is 3'-methoxyflavone bearing an additional amino substituent at position 2'. | 1.99 | 1 | 0 | aromatic amine;
monomethoxyflavone | EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor;
geroprotector |
phenacetin
Saridon: contains phenacetin, caffeine, propyphenazone & pyrithyldione | 1.97 | 1 | 0 | acetamides;
aromatic ether | cyclooxygenase 3 inhibitor;
non-narcotic analgesic;
peripheral nervous system 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. | 8.68 | 10 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
oxophenylarsine
oxophenylarsine: inhibits protein-tyrosine-phosphatase. phenylarsine oxide : An arsine oxide derived from phenylarsine. | 1.99 | 1 | 0 | arsine oxides | antineoplastic agent;
apoptosis inducer;
EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
proadifen
Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 1.96 | 1 | 0 | diarylmethane | |
procarbazine
Procarbazine: An antineoplastic agent used primarily in combination with mechlorethamine, vincristine, and prednisone (the MOPP protocol) in the treatment of Hodgkin's disease.. procarbazine : A benzamide obtained by formal condensation of the carboxy group of 4-[(2-methylhydrazino)methyl]benzoic acid with the amino group of isopropylamine. An antineoplastic chemotherapy drug used for treatment of Hodgkin's lymphoma. Metabolism yields azo-procarbazine and hydrogen peroxide, which results in the breaking of DNA strands. | 1.98 | 1 | 0 | benzamides;
hydrazines | antineoplastic agent |
alloxan
Alloxan: Acidic compound formed by oxidation of URIC ACID. It is isolated as an efflorescent crystalline hydrate.. alloxan : A member of the class of pyrimidones, the structure of which is that of perhydropyrimidine substituted at C-2, -4, -5 and -6 by oxo groups. | 1.98 | 1 | 0 | pyrimidone | hyperglycemic agent;
metabolite |
piperonyl butoxide
[no description available] | 1.97 | 1 | 0 | benzodioxoles | pesticide synergist |
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. | 1.97 | 1 | 0 | nitrosamine | carcinogenic agent;
hepatotoxic agent;
mutagen |
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. | 3.22 | 6 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
alanine
Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 1.96 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
aspartic acid
Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 1.96 | 1 | 0 | aspartate family amino acid;
aspartic acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
mouse metabolite;
neurotransmitter |
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. | 1.97 | 1 | 0 | pyrazolone;
tertiary amino compound | antipyretic;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
adenosine diphosphate
Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 1.96 | 1 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-diphosphate | fundamental metabolite;
human metabolite |
p-dimethylaminoazobenzene
p-Dimethylaminoazobenzene: A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound may reasonably be anticipated to be a carcinogen. (Merck, 11th ed) | 3.06 | 1 | 0 | azobenzenes | |
ethyl methanesulfonate
Ethyl Methanesulfonate: An antineoplastic agent with alkylating properties. It also acts as a mutagen by damaging DNA and is used experimentally for that effect.. ethyl methanesulfonate : A methanesulfonate ester resulting from the formal condensation of methanesulfonic acid with ethanol. | 1.98 | 1 | 0 | methanesulfonate ester | alkylating agent;
antineoplastic agent;
carcinogenic agent;
genotoxin;
mutagen;
teratogenic agent |
dimethylnitrosamine
Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 1.98 | 1 | 0 | nitrosamine | geroprotector;
mutagen |
n-hexanal
[no description available] | 1.98 | 1 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | human urinary 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. | 1.97 | 1 | 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 | 1 | 0 | diether;
tertiary amino compound;
tetracarboxylic acid | chelator |
n-pentanol
n-pentanol: RN given refers to parent cpd. pentan-1-ol : A short-chain primary fatty alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia. | 2.08 | 1 | 0 | pentanol;
short-chain primary fatty alcohol | human metabolite;
plant metabolite |
ethane
Ethane: A two carbon alkane with the formula H3C-CH3.. ethane : An alkane comprising of two carbon atoms. | 3.06 | 5 | 0 | alkane;
gas molecular entity | plant metabolite;
refrigerant |
methyl iodide
methyl iodide: RN given refers to unlabeled cpd with MF of CH3-I. iodomethane : A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine. | 2.39 | 2 | 0 | iodomethanes;
methyl halides | fumigant insecticide |
vinylidene chloride
vinylidene chloride: potent hepatotoxin. 1,1-dichloroethene : A member of the class of chloroethenes that is ethene in which both of the hydrogens attached to one of the carbons are replaced by chlorines. | 2.88 | 4 | 0 | chloroethenes | carcinogenic agent;
mouse metabolite;
mutagen |
1,1,1-trifluoro-2-chloroethane
1,1,1-trifluoro-2-chloroethane: volatile metabolite of halothane | 2 | 1 | 0 | organofluorine compound | |
tert-butylhydroperoxide
tert-Butylhydroperoxide: A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(2+)-dependent signal transduction in vascular endothelial cells. It is also used as a catalyst in polymerization reactions and to introduce peroxy groups into organic molecules.. tert-butyl hydroperoxide : An alkyl hydroperoxide in which the alkyl group is tert-butyl. It is widely used in a variety of oxidation processes. | 2.67 | 3 | 0 | alkyl hydroperoxide | antibacterial agent;
oxidising agent |
divinyl sulfone
divinyl sulfone: cross-linking reagent for agarose gels. divinyl sulfone : A sulfone compound having two S-vinyl substituents. | 1.97 | 1 | 0 | sulfone | cross-linking reagent |
isophorone
isophorone : A cyclic ketone, the structure of which is that of cyclohex-2-en-1-one substituted by methyl groups at positions 3, 5 and 5. | 1.97 | 1 | 0 | cyclic ketone;
enone | plant metabolite;
solvent |
cumene hydroperoxide
cumene hydroperoxide: RN given refers to parent cpd. cumene hydroperoxide : A peroxol that is cumene in which the alpha-hydrogen is replaced by a hydroperoxy group. | 2.39 | 2 | 0 | peroxol | environmental contaminant;
Mycoplasma genitalium metabolite;
oxidising agent |
taurocholic acid
Taurocholic Acid: The product of conjugation of cholic acid with taurine. Its sodium salt is the chief ingredient of the bile of carnivorous animals. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as a cholagogue and cholerectic.. taurocholate : An organosulfonate oxoanion that is the conjugate base of taurocholic acid.. taurocholic acid : A bile acid taurine conjugate of cholic acid that usually occurs as the sodium salt of bile in mammals. | 1.97 | 1 | 0 | amino sulfonic acid;
bile acid taurine conjugate | human metabolite |
skatole
[no description available] | 1.97 | 1 | 0 | methylindole | human metabolite;
mammalian metabolite |
diquat
Diquat: A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed). diquat : The organic cation formed formally by addition of an ethylene bridge between the nitrogen atoms of 2,2'-bipyridine. Most often available as the dibromide. | 3.22 | 6 | 0 | organic cation | defoliant;
herbicide |
methyl acrylate
[no description available] | 1.97 | 1 | 0 | enoate ester | |
ethylene dibromide
Ethylene Dibromide: An effective soil fumigant, insecticide, and nematocide. In humans, it causes severe burning of skin and irritation of the eyes and respiratory tract. Prolonged inhalation may cause liver necrosis. It is also used in gasoline. Members of this group have caused liver and lung cancers in rodents. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), 1,2-dibromoethane may reasonably be anticipated to be a carcinogen.. 1,2-dibromoethane : A bromoalkane that is ethane carrying bromo substituents at positions 1 and 2. It is produced by marine algae. | 1.98 | 1 | 0 | bromoalkane;
bromohydrocarbon | algal metabolite;
carcinogenic agent;
fumigant;
marine metabolite;
mouse metabolite;
mutagen |
1,3-butadiene
buta-1,3-diene : A butadiene with unsaturation at positions 1 and 3. | 2.4 | 2 | 0 | butadiene | carcinogenic agent;
mutagen |
bromobenzene
[no description available] | 2.45 | 2 | 0 | bromoarene;
bromobenzenes;
volatile organic compound | hepatotoxic agent;
mouse metabolite;
non-polar solvent |
cyclohexanone
[no description available] | 1.97 | 1 | 0 | cyclohexanones | human xenobiotic metabolite |
pentane
Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 1.96 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
refrigerant |
uridine diphosphate glucose
Uridine Diphosphate Glucose: A key intermediate in carbohydrate metabolism. Serves as a precursor of glycogen, can be metabolized into UDPgalactose and UDPglucuronic acid which can then be incorporated into polysaccharides as galactose and glucuronic acid. Also serves as a precursor of sucrose lipopolysaccharides, and glycosphingolipids.. UDP-alpha-D-glucose : The alpha-anomer of UDP-alpha-D-glucose. It is used in nucleotide sugars metabolism. | 2.02 | 1 | 0 | UDP-D-glucose | fundamental metabolite |
ethyl acrylate
[no description available] | 1.97 | 1 | 0 | enoate ester | |
mesityl oxide
mesityl oxide: solvent for extraction of nitrocellulose, many resins, & tellurium; structure | 2.08 | 1 | 0 | olefinic compound | |
n-heptane
Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.02 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
plant metabolite |
monomethylarsonic acid
monomethylarsonic acid: structure given in first source | 2.37 | 2 | 0 | arsonic acids;
one-carbon compound;
organoarsonic acid | |
ditiocarb
Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.39 | 2 | 0 | dithiocarbamic acids | chelator;
copper chelator |
potassium cyanide
[no description available] | 1.98 | 1 | 0 | cyanide salt;
one-carbon compound;
potassium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
neurotoxin |
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. | 1.96 | 1 | 0 | catechin | antioxidant;
plant metabolite |
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. | 1.98 | 1 | 0 | acridines;
mancude organic heterotricyclic parent;
polycyclic heteroarene | genotoxin |
2,2-dichloro-1,1,1-trifluoroethane
2,2-dichloro-1,1,1-trifluoroethane: structure given in first source. hydrochlorofluorocarbon : An organochlorine compound derived from methane, ethane or propane that contains atoms of hydrogen, chlorine, fluorine, and carbon only. | 2 | 1 | 0 | | |
cyanamide
Cyanamide: A cyanide compound which has been used as a fertilizer, defoliant and in many manufacturing processes. It often occurs as the calcium salt, sometimes also referred to as cyanamide. The citrated calcium salt is used in the treatment of alcoholism.. cyanamide : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by an amino group. | 2.38 | 2 | 0 | nitrile;
one-carbon compound | EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor |
phosphoadenosine phosphosulfate
Phosphoadenosine Phosphosulfate: 3'-Phosphoadenosine-5'-phosphosulfate. Key intermediate in the formation by living cells of sulfate esters of phenols, alcohols, steroids, sulfated polysaccharides, and simple esters, such as choline sulfate. It is formed from sulfate ion and ATP in a two-step process. This compound also is an important step in the process of sulfur fixation in plants and microorganisms.. 3'-phospho-5'-adenylyl sulfate : An adenosine bisphosphate having monophosphate groups at the 3'- and 5'-positions and a sulfo group attached to the phosphate at position 5'. | 1.97 | 1 | 0 | acyl sulfate;
adenosine bisphosphate;
purine ribonucleoside bisphosphate | Escherichia coli metabolite;
mouse metabolite |
trimethyl phosphate
trimethyl phosphate: request from searcher; structure. trimethyl phosphate : A trialkyl phosphate that is the trimethyl ester of phosphoric acid. | 1.97 | 1 | 0 | trialkyl phosphate | insect attractant;
NMR chemical shift reference compound |
azomycin
azomycin: RN given refers to parent cpd with specified locant; structure | 1.96 | 1 | 0 | C-nitro compound;
imidazoles | antitubercular agent |
1,2-dichloroethylene
1,2-dichloroethylene: RN given refers to cpd without isomeric designation | 1.98 | 1 | 0 | chloroethenes | |
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. | 2.65 | 3 | 0 | dialdehyde | biomarker |
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. | 1.97 | 1 | 0 | isothiocyanate | insecticide |
glycylglycine
[no description available] | 3.05 | 1 | 0 | dipeptide zwitterion;
dipeptide | human metabolite |
diepoxybutane
diepoxybutane: difunctional alkylating agent; RN given refers to cpd with unspecified isomeric designation; structure | 2.4 | 2 | 0 | epoxide | mutagen |
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 8.24 | 6 | 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 |
methyl diethyldithiocarbamate
[no description available] | 1.99 | 1 | 0 | | |
2-cyclohexen-1-one
2-cyclohexen-1-one: RN given refers to unlabeled cpd with specified locant for double bond. cyclohexenone : The parent compound of the cyclohexenones, composed of cyclohexanone having one double bond in the ring.. cyclohex-2-enone : A cyclohexenone having its C=C double bond at the 2-position. | 2.66 | 3 | 0 | cyclohexenone | |
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. | 3.25 | 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 |
paraquat
Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.66 | 3 | 0 | organic cation | geroprotector;
herbicide |
methionine sulfoximine
methionine sulfoximine : A non-proteinogenic alpha-amino acid that is the sulfoximine derivative of methionine . | 4.11 | 16 | 0 | methionine derivative;
non-proteinogenic alpha-amino acid;
sulfoximide | |
mirex
Mirex: An organochlorine insecticide that is carcinogenic. | 1.98 | 1 | 0 | chlorocarbon;
organochlorine insecticide | persistent organic pollutant |
dithiothreitol
1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 2.02 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
methyl vinyl sulfone
[no description available] | 1.97 | 1 | 0 | | |
buthionine sulfoximine
Buthionine Sulfoximine: A synthetic amino acid that depletes glutathione by irreversibly inhibiting gamma-glutamylcysteine synthetase. Inhibition of this enzyme is a critical step in glutathione biosynthesis. It has been shown to inhibit the proliferative response in human T-lymphocytes and inhibit macrophage activation. (J Biol Chem 1995;270(33):1945-7). 2-amino-4-(S-butylsulfonimidoyl)butanoic acid : A non-proteinogenic alpha-amino acid that is homocysteine in which the thiol group carries an oxo, imino and butyl groups.. S-butyl-DL-homocysteine (S,R)-sulfoximine : A sulfoximide that is the sulfoximine derivative of an analogue of DL-methionine in which the S-methyl group is replaced by S-butyl. | 4.28 | 19 | 0 | diastereoisomeric mixture;
homocysteines;
non-proteinogenic alpha-amino acid;
sulfoximide | EC 6.3.2.2 (glutamate--cysteine ligase) inhibitor;
ferroptosis inducer |
chromium
Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 2.38 | 2 | 0 | chromium group element atom;
metal allergen | micronutrient |
galactosamine
2-amino-2-deoxy-D-galactopyranose : The pyranose form of D-galactosamine.. D-galactosamine : The D-stereoisomer of galactosamine. | 1.99 | 1 | 0 | D-galactosamine;
primary amino compound | toxin |
ferrous sulfate
ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 1.98 | 1 | 0 | iron molecular entity;
metal sulfate | reducing agent |
chromic acid
[no description available] | 1.97 | 1 | 0 | chromium oxoacid | oxidising agent |
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. | 1.97 | 1 | 0 | chromium oxoanion;
divalent inorganic anion | oxidising agent |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.08 | 1 | 0 | dihydrogen | |
sodium selenite
disodium selenite : An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio. | 1.97 | 1 | 0 | inorganic sodium salt;
selenite salt | nutraceutical |
misonidazole
Misonidazole: A nitroimidazole that sensitizes normally radio-resistant hypoxic cells to radiation. It may also be directly cytotoxic to hypoxic cells and has been proposed as an antineoplastic. | 1.96 | 1 | 0 | | |
desmethylmisonidazole
[no description available] | 1.96 | 1 | 0 | | |
tetrathionic acid
Tetrathionic Acid: A sulfuric acid dimer, formed by disulfide linkage. This compound has been used to prolong coagulation time and as an antidote in cyanide poisoning. | 3.05 | 1 | 0 | sulfur oxoacid | |
tiletamine hydrochloride
Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 3.22 | 6 | 0 | | |
fluorides
[no description available] | 1.97 | 1 | 0 | halide anion;
monoatomic fluorine | |
chromium
chromium hexavalent ion: a human respiratory carcinogen | 2 | 1 | 0 | chromium cation;
monoatomic hexacation | |
diacetone alcohol
diacetone alcohol: skin irritant & catalyst for the resin used in fiberglass manufacture. diacetone alcohol : A beta-hydroxy ketone formed by hydroxylation of 4-methylpentan-2-one at the 4-position. It has been isolated from Achnatherum robustum. | 2.08 | 1 | 0 | beta-hydroxy ketone | plant metabolite |
amineptin
amineptin: used in treatment of neuroses with psychoasthenic, anxio-phobic & depressive manifestations; synonym S 1694 refers to HCl; structure. amineptine : A carbocyclic fatty acid that is 5-aminoheptanoic acid in which one of the hydrogens attached to the nitrogen is replaced by a 10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-yl group. A tricyclic antidepressant, it was never approved in the US and was withdrawn from the French market in 1999 due to concerns over abuse, dependence and severe acne. | 1.97 | 1 | 0 | amino acid;
carbocyclic fatty acid;
carbotricyclic compound;
secondary amino compound | antidepressant;
dopamine uptake inhibitor |
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 1.97 | 1 | 0 | adenosines;
purines D-ribonucleoside | analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent |
10,10'-dimethyl-9,9'-biacridinium
10,10'-dimethyl-9,9'-biacridinium: chemoluminescent probe; RN given refers to dinitrate; Lucigenin refers to dinitrate | 1.98 | 1 | 0 | | |
glutathione disulfide
Glutathione Disulfide: A GLUTATHIONE dimer formed by a disulfide bond between the cysteine sulfhydryl side chains during the course of being oxidized. | 4.19 | 5 | 0 | glutathione derivative;
organic disulfide | Escherichia coli metabolite;
mouse metabolite |
harmol
harmol: harmol is oxidized form of alkaloid harmolol; RN given refers to parent cpd; structure | 1.97 | 1 | 0 | harmala alkaloid | |
cyclohept-2-en-1-one
cyclohept-2-en-1-one: RN given refers to cpd without isomeric designation; structure given in first source | 1.97 | 1 | 0 | | |
tretazicar
tretazicar: minor descriptor (75-84); on-line & Index Medicus search AZIRIDINES (75-84) | 1.96 | 1 | 0 | | |
1-(2-nitro-1-imidazolyl)-3-aziridino-2-propanol
1-(2-nitro-1-imidazolyl)-3-aziridino-2-propanol: structure given in first source | 1.96 | 1 | 0 | | |
glutathione monoisopropyl ester
glutathione monoisopropyl ester: prevents mitochondrial damage in muscle after marked depletion of glutathione | 1.98 | 1 | 0 | | |
methotrexate
[no description available] | 1.97 | 1 | 0 | dicarboxylic acid;
monocarboxylic acid amide;
pteridines | abortifacient;
antimetabolite;
antineoplastic agent;
antirheumatic drug;
dermatologic drug;
DNA synthesis inhibitor;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor;
immunosuppressive agent |
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. | 7.68 | 3 | 0 | aflatoxin;
aromatic ether;
aromatic ketone | carcinogenic agent;
human metabolite |
troleandomycin
Troleandomycin: A macrolide antibiotic that is similar to ERYTHROMYCIN.. troleandomycin : A semi-synthetic macrolide antibiotic obtained by acetylation of the three free hydroxy groups of oleandomycin. Troleandomycin is only found in individuals that have taken the drug. | 2 | 1 | 0 | acetate ester;
epoxide;
macrolide antibiotic;
monosaccharide derivative;
polyketide;
semisynthetic derivative | EC 1.14.13.97 (taurochenodeoxycholate 6alpha-hydroxylase) inhibitor;
xenobiotic |
sorbinil
sorbinil: aldose reductase inhibitor. sorbinil : An azaspiro compound having a monofluoro-substituted chromane skeleton spiro-linked to an imidazolidinedione ring. | 2.42 | 2 | 0 | azaspiro compound;
chromanes;
imidazolidinone;
organofluorine compound;
oxaspiro compound | antioxidant;
EC 1.1.1.21 (aldehyde reductase) inhibitor |
tris(2-pyridylmethyl)amine
tris(2-pyridylmethyl)amine: structure in first source | 2.01 | 1 | 0 | | |
glycogen
glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues. | 2.02 | 1 | 0 | | |
hexacyanoferrate iii
hexacyanoferrate III: RN given refers to parent cpd | 1.99 | 1 | 0 | | |
dithioerythritol
[no description available] | 2.37 | 2 | 0 | 1,4-dimercaptobutane-2,3-diol | reducing agent |
dehydroascorbic acid
Dehydroascorbic Acid: The reversibly oxidized form of ascorbic acid. It is the lactone of 2,3-DIKETOGULONIC ACID and has antiscorbutic activity in man on oral ingestion.. L-dehydroascorbate : An organic anion and the conjugate base of L-dehydroascorbic acid, arising from deprotonation of the acidic C2-position.. L-dehydroascorbic acid : Dehydroascorbic acid having the L-configuration. | 1.99 | 1 | 0 | dehydroascorbic acid;
vitamin C | coenzyme;
mouse metabolite |
imidazolidines
[no description available] | 2.42 | 2 | 0 | azacycloalkane;
imidazolidines;
saturated organic heteromonocyclic parent | |
dactinomycin
Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 2.38 | 2 | 0 | actinomycin | mutagen |
diethyl fumarate
diethyl fumarate : A dieter obtained by the formal condensation of fumaric acid with ethanol. | 1.96 | 1 | 0 | diester | metabolite |
phenyl-n-tert-butylnitrone
phenyl-N-tert-butylnitrone: a spin-trapping agent | 2 | 1 | 0 | | |
alpha-naphthyl thiourea
alpha-naphthyl thiourea: structure | 1.97 | 1 | 0 | naphthalenes | |
thiobarbituric acid
thiobarbituric acid: RN given refers to parent cpd. 2-thiobarbituric acid : A barbiturate, the structure of which is that of barbituric acid in which the oxygen at C-2 is replaced by sulfur. | 2.37 | 2 | 0 | barbiturates | allergen;
reagent |
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. | 1.97 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
D-fructopyranose
[no description available] | 2.02 | 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. | 1.99 | 1 | 0 | thiocarboxamide | hepatotoxic agent |
nadp
[no description available] | 8.07 | 5 | 0 | | |
methanethiosulfonate
methanethiosulfonate: used for measurement of rhodanese activity; RN given refers to parent cpd | 1.99 | 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. | 10.9 | 33 | 0 | ethyl ester;
maleate ester | glutathione depleting agent |
bilirubin
[no description available] | 1.97 | 1 | 0 | biladienes;
dicarboxylic acid | antioxidant;
human metabolite;
mouse metabolite |
dinoprostone
prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 1.98 | 1 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
dinoprost
Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 1.98 | 1 | 0 | monocarboxylic acid;
prostaglandins Falpha | human metabolite;
mouse metabolite |
vitamin k semiquinone radical
vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 3.07 | 5 | 0 | | |
6-ketoprostaglandin f1 alpha
6-Ketoprostaglandin F1 alpha: The physiologically active and stable hydrolysis product of EPOPROSTENOL. Found in nearly all mammalian tissue.. 6-oxoprostaglandin F1alpha : A prostaglandin Falpha that is prostaglandin F1alpha bearing a keto substituent at the 6-position. | 1.98 | 1 | 0 | prostaglandins Falpha | human metabolite;
mouse 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. | 1.97 | 1 | 0 | harmala alkaloid | anti-HIV agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
metabolite |
4-hydroxy-2-nonenal
4-hydroxy-2-nonenal: cytotoxic product from peroxidation of liver microsomal lipids; RN given refers to cpd without isomeric designation. 4-hydroxynon-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position and a hydroxy group at the 4-position.. 4-hydroxynonenal : A monounsaturated fatty aldehyde that is nonanal that has undergone dehydrogenation to introduce a double bond at any position in the aliphatic chain and in which a hydrogen at position 4 has been replaced by a hydroxy group. | 2.4 | 2 | 0 | 4-hydroxynon-2-enal;
4-hydroxynonenal | |
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. | 3.99 | 4 | 0 | 1,1'-azobis(N,N-dimethylformamide) | |
ethylmorphine
Ethylmorphine: A narcotic analgesic and antitussive. It is metabolized in the liver by ETHYLMORPHINE-N-DEMETHYLASE and used as an indicator of liver function. | 3.05 | 1 | 0 | morphinane alkaloid | |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.67 | 3 | 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. | 2 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
fumarates
Fumarates: Compounds based on fumaric acid.. fumarate(2-) : A C4-dicarboxylate that is the E-isomer of but-2-enedioate(2-) | 1.96 | 1 | 0 | butenedioate;
C4-dicarboxylate | human metabolite;
metabolite;
Saccharomyces cerevisiae metabolite |
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.37 | 2 | 0 | cysteinium | fundamental metabolite |
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. | 3.22 | 6 | 0 | chalcogen;
nonmetal atom | micronutrient |
nitrofurantoin
Nitrofurantoin: A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression.. nitrofurantoin : An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group. An antibiotic that damages bacterial DNA. | 2.38 | 2 | 0 | imidazolidine-2,4-dione;
nitrofuran antibiotic;
organonitrogen heterocyclic antibiotic;
organooxygen heterocyclic antibiotic | antibacterial drug;
antiinfective agent;
hepatotoxic agent |
indocyanine green
Indocyanine Green: A tricarbocyanine dye that is used diagnostically in liver function tests and to determine blood volume and cardiac output. | 1.98 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate;
benzoindole;
cyanine dye | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.97 | 1 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
bucladesine
Bucladesine: A cyclic nucleotide derivative that mimics the action of endogenous CYCLIC AMP and is capable of permeating the cell membrane. It has vasodilator properties and is used as a cardiac stimulant. (From Merck Index, 11th ed). bucladesine : A 3',5'-cyclic purine nucleotide that is the 2'-butanoate ester and 6-N-butanoyl derivative of 3',5'-cyclic AMP. | 2.02 | 1 | 0 | 3',5'-cyclic purine nucleotide | |
s-adenosylmethionine
(R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 2.04 | 1 | 0 | organic cation;
sulfonium compound | coenzyme;
cofactor;
human metabolite;
micronutrient;
Mycoplasma genitalium metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
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. | 6.97 | 1 | 0 | | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 3.39 | 7 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
dicumarol
Dicumarol: An oral anticoagulant that interferes with the metabolism of vitamin K. It is also used in biochemical experiments as an inhibitor of reductases. | 1.97 | 1 | 0 | hydroxycoumarin | anticoagulant;
EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor;
Hsp90 inhibitor;
vitamin K antagonist |
benzyloxycarbonylvalyl-alanyl-aspartyl fluoromethyl ketone
benzyloxycarbonylvalyl-alanyl-aspartyl fluoromethyl ketone: an interleukin-1beta converting enzyme (ICE)-like protease inhibitor | 2 | 1 | 0 | | |
cyclosporine
Cyclosporine: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). | 2.41 | 2 | 0 | | |
deoxyguanosine
[no description available] | 2.39 | 2 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
allopurinol
Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 7.38 | 2 | 0 | nucleobase analogue;
organic heterobicyclic compound | antimetabolite;
EC 1.17.3.2 (xanthine oxidase) inhibitor;
gout suppressant;
radical scavenger |
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. | 2.39 | 2 | 0 | guanosines | biomarker |
metallothionein
Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 2.38 | 2 | 0 | | |