3-chloroalanine
3-chloroalanine: RN given refers to parent cpd without isomeric designation. 3-chloroalanine : A chloroalanine obtained by replacement of one of the methyl hydrogens of alanine by a chloro group. | 1.96 | 1 | 0 | chloroalanine;
non-proteinogenic alpha-amino acid;
organochlorine compound | |
beta-alanine
[no description available] | 1.96 | 1 | 0 | amino acid zwitterion;
beta-amino acid | agonist;
fundamental metabolite;
human metabolite;
inhibitor;
neurotransmitter |
butyric acid
Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 1.99 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium metabolite |
pyridoxal phosphate
Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. | 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 |
uracil
2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.38 | 2 | 0 | pyrimidine nucleobase;
pyrimidone | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prodrug;
Saccharomyces cerevisiae metabolite |
mercaptoethanol
Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation. | 1.96 | 1 | 0 | alkanethiol;
primary alcohol | geroprotector |
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. | 2.68 | 3 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
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. | 1.99 | 1 | 0 | ethyl ester;
piperidinecarboxylate ester;
tertiary amino compound | antispasmodic drug;
kappa-opioid receptor agonist;
mu-opioid receptor agonist;
opioid analgesic |
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. | 2.39 | 2 | 0 | benzaldehydes;
dialdehyde | epitope |
tegafur
[no description available] | 1.98 | 1 | 0 | organohalogen compound;
pyrimidines | |
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. | 4.24 | 18 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.39 | 2 | 0 | L-alpha-amino acid;
proteinogenic amino acid;
serine family amino acid;
serine zwitterion;
serine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
galactose
galactopyranose : The pyranose form of galactose. | 1.98 | 1 | 0 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
cycloserine
Cycloserine: Antibiotic substance produced by Streptomyces garyphalus.. D-cycloserine : A 4-amino-1,2-oxazolidin-3-one that has R configuration. It is an antibiotic produced by Streptomyces garyphalus or S. orchidaceus and is used as part of a multi-drug regimen for the treatment of tuberculosis when resistance to, or toxicity from, primary drugs has developed. An analogue of D-alanine, it interferes with bacterial cell wall synthesis in the cytoplasm by competitive inhibition of L-alanine racemase (which forms D-alanine from L-alanine) and D-alanine--D-alanine ligase (which incorporates D-alanine into the pentapeptide required for peptidoglycan formation and bacterial cell wall synthesis). | 1.96 | 1 | 0 | 4-amino-1,2-oxazolidin-3-one;
organonitrogen heterocyclic antibiotic;
organooxygen heterocyclic antibiotic;
zwitterion | antiinfective agent;
antimetabolite;
antitubercular agent;
metabolite;
NMDA receptor agonist |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.36 | 2 | 0 | dihydrogen | |
fluorine
Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.67 | 3 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
4-propionyloxy-4-phenyl-n-methylpiperidine
4-propionyloxy-4-phenyl-N-methylpiperidine: causes parkinsonism; structure in first source | 1.99 | 1 | 0 | | |
oxazolidin-2-one
Oxazolidinones: Derivatives of oxazolidin-2-one. They represent an important class of synthetic antibiotic agents.. oxazolidin-2-one : An oxazolidinone that is 1,3-oxazolidine with an oxo substituent at position 2.. oxazolidinone : An oxazolidine containing one or more oxo groups. | 2.03 | 1 | 0 | carbamate ester;
oxazolidinone | metabolite |
poly-o-acetylserine
O-acetylserine: RN given refers to (DL)-isomer. O-acetyl-L-serine : An acetyl-L-serine where the acetyl group is attached to the side-chain oxygen. It is an intermediate in the biosynthesis of the amino acid cysteine in bacteria. | 1.96 | 1 | 0 | acetate ester;
acetyl-L-serine;
amino acid zwitterion | bacterial metabolite;
Saccharomyces cerevisiae metabolite |
2,6-dihydroxy-3-cyanopyridine
2,6-dihydroxy-3-cyanopyridine: inhibitor of 5-fluorouracil degradation | 2.38 | 2 | 0 | | |
1-phenyl-2-decanoylamino-3-morpholino-1-propanol
RV 538: noninactivating inhibitor of ceramide-UDPG glucosyltransferase; RN given for unspecified HCl; structure given in first source | 1.99 | 1 | 0 | | |
1-ethoxymethyl-5-fluorouracil
[no description available] | 2.38 | 2 | 0 | | |
ammonium borate
ammonium borate: RN refers to H3BO3 | 1.96 | 1 | 0 | | |
diethylstilbestrol
Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed). diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. | 1.98 | 1 | 0 | olefinic compound;
polyphenol | antifungal agent;
antineoplastic agent;
autophagy inducer;
calcium channel blocker;
carcinogenic agent;
EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
endocrine disruptor;
xenoestrogen |
fumonisin b1
fumonisin B1: isolated from Fusarium moniliforme MRC 826; structure given in first source; has cancer-promoting activity; inhibits ceramide synthase. fumonisin B1 : A diester that results from the condensation of the 1-carboxy groups of two molecules of propane-1,2,3-tricarboxylic acid with hydroxy groups at positions 14 and 15 of (2S,3S,5R,10R,12S,14S,15R,16R)-2-amino-12,16-dimethylicosane-3,5,10,14,15-pentol. | 2.68 | 3 | 0 | diester;
fumonisin;
primary amino compound;
triol | carcinogenic agent;
metabolite |
tamoxifen
[no description available] | 1.98 | 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 |
4-fluorotamoxifen
4-fluorotamoxifen: RN given refers to (Z)-isomer | 1.98 | 1 | 0 | | |
safingol
safingol: RN given refers to the (R-(R*,S*))-isomer | 2.4 | 2 | 0 | amino alcohol | |
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. | 2.4 | 2 | 0 | sphing-4-enine | human metabolite;
mouse metabolite |
alanyl-alanyl-alanyl-alanine
alanyl-alanyl-alanyl-alanine: RN given refers to (L)-isomer | 1.96 | 1 | 0 | | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.4 | 2 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
glycolipids
[no description available] | 1.99 | 1 | 0 | | |
cyclin d1
Cyclin D1: Protein encoded by the bcl-1 gene which plays a critical role in regulating the cell cycle. Overexpression of cyclin D1 is the result of bcl-1 rearrangement, a t(11;14) translocation, and is implicated in various neoplasms. | 2 | 1 | 0 | | |