| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
benzaldehyde
[no description available] | 2.5 | 2 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
EC 3.5.5.1 (nitrilase) inhibitor;
flavouring agent;
fragrance;
odorant receptor agonist;
plant metabolite |
benzene
[no description available] | 2.46 | 2 | 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) | 2.05 | 1 | 0 | halide anion;
monoatomic bromine | |
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). | 3.14 | 5 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
coumarin
2H-chromen-2-one: coumarin derivative | 2.36 | 2 | 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). | 2.04 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite |
hydrogen sulfide
Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 2.03 | 1 | 0 | gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride | Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent |
4-nitrobenzaldehyde
4-nitrobenzaldehyde: RN given refers to parent cpd. 4-nitrobenzaldehyde : A C-nitro compound that is benzaldehyde substituted at the para-position with a nitro group. | 2.02 | 1 | 0 | benzaldehydes;
C-nitro compound | |
cytosine
[no description available] | 2.31 | 1 | 0 | aminopyrimidine;
pyrimidine nucleobase;
pyrimidone | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
diethyl phosphate
diethyl phosphate: RN given refers to parent cpd. diethyl hydrogen phosphate : A dialkyl phosphate having ethyl as the alkyl group. | 2.1 | 1 | 0 | dialkyl phosphate | human xenobiotic metabolite;
mouse 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. | 2.4 | 2 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
glycine
[no description available] | 2.37 | 2 | 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 |
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.. | 2.1 | 1 | 0 | diatomic iodine | nutrient |
malonic acid
malonic acid : An alpha,omega-dicarboxylic acid in which the two carboxy groups are separated by a single methylene group.. dicarboxylic acid : Any carboxylic acid containing two carboxy groups. | 2.34 | 2 | 0 | alpha,omega-dicarboxylic acid | human metabolite |
naphthalene
[no description available] | 2.13 | 1 | 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. | 2.41 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
pyridine
azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.49 | 2 | 0 | azaarene;
mancude organic heteromonocyclic parent;
monocyclic heteroarene;
pyridines | environmental contaminant;
NMR chemical shift reference compound |
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. | 1.92 | 1 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | human metabolite |
succinic acid
Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 1.93 | 1 | 0 | alpha,omega-dicarboxylic acid;
C4-dicarboxylic acid | anti-ulcer drug;
fundamental metabolite;
micronutrient;
nutraceutical;
radiation protective agent |
thiamine
thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 1.93 | 1 | 0 | primary alcohol;
vitamin B1 | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
uracil
2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.51 | 2 | 0 | pyrimidine nucleobase;
pyrimidone | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prodrug;
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. | 2.02 | 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 |
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. | 2.06 | 1 | 0 | azobenzenes | |
glutaral
Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5. | 2.11 | 1 | 0 | dialdehyde | cross-linking reagent;
disinfectant;
fixative |
2-propanol
2-Propanol: An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.. propan-2-ol : A secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. | 2.41 | 1 | 0 | secondary alcohol;
secondary fatty alcohol | protic solvent |
ketamine
Ketamine: A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors.. ketamine : A member of the class of cyclohexanones in which one of the hydrogens at position 2 is substituted by a 2-chlorophenyl group, while the other is substituted by a methylamino group. | 2.21 | 1 | 0 | cyclohexanones;
monochlorobenzenes;
secondary amino compound | analgesic;
environmental contaminant;
intravenous anaesthetic;
neurotoxin;
NMDA receptor antagonist;
xenobiotic |
kojic acid
[no description available] | 2.1 | 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 |
leflunomide
Leflunomide: An isoxazole derivative that inhibits dihydroorotate dehydrogenase, the fourth enzyme in the pyrimidine biosynthetic pathway. It is used an immunosuppressive agent in the treatment of RHEUMATOID ARTHRITIS and PSORIATIC ARTHRITIS.. leflunomide : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 5-methyl-1,2-oxazole-4-carboxylic acid with the anilino group of 4-(trifluoromethyl)aniline. The prodrug of teriflunomide. | 2.05 | 1 | 0 | (trifluoromethyl)benzenes;
isoxazoles;
monocarboxylic acid amide | antineoplastic agent;
antiparasitic agent;
EC 1.3.98.1 [dihydroorotate oxidase (fumarate)] inhibitor;
EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor;
hepatotoxic agent;
immunosuppressive agent;
non-steroidal anti-inflammatory drug;
prodrug;
pyrimidine synthesis inhibitor;
tyrosine kinase inhibitor |
vitamin k 3
Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.13 | 1 | 0 | 1,4-naphthoquinones;
vitamin K | angiogenesis inhibitor;
antineoplastic agent;
EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor;
human urinary metabolite;
nutraceutical |
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. | 2.08 | 1 | 0 | benzaldehydes;
dialdehyde | epitope |
resorcinol
resorcinol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7951. resorcinol : A benzenediol that is benzene dihydroxylated at positions 1 and 3. | 2.07 | 1 | 0 | benzenediol;
phenolic donor;
resorcinols | erythropoietin inhibitor;
sensitiser |
xylazine
Xylazine: An adrenergic alpha-2 agonist used as a sedative, analgesic and centrally acting muscle relaxant in VETERINARY MEDICINE.. xylazine : A methyl benzene that is 1,3-dimethylbenzene which is substituted by a 5,6-dihydro-4H-1,3-thiazin-2-ylnitrilo group at position 2. It is an alpha2 adrenergic receptor agonist and frequently used in veterinary medicine as an emetic and sedative with analgesic and muscle relaxant properties. | 2.21 | 1 | 0 | 1,3-thiazine;
methylbenzene;
secondary amino compound | alpha-adrenergic agonist;
analgesic;
emetic;
muscle relaxant;
sedative |
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. | 3.88 | 13 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
carbostyril
Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.83 | 3 | 0 | monohydroxyquinoline;
quinolone | bacterial xenobiotic metabolite |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.41 | 1 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
4-nitrobenzoic acid
4-nitrobenzoic acid: RN given refers to parent cpd. 4-nitrobenzoic acid : A nitrobenzoic acid having the nitro group at the 4-position. | 2.01 | 1 | 0 | nitrobenzoic acid | |
aniline
[no description available] | 2.78 | 3 | 0 | anilines;
primary arylamine | |
barbituric acid
barbituric acid: RN given refers to parent cpd; structure from Merck Index, 9th ed, #966. barbituric acid : A barbiturate, the structure of which is that of perhydropyrimidine substituted at C-2, -4 and -6 by oxo groups. Barbituric acid is the parent compound of barbiturate drugs, although it is not itself pharmacologically active. | 2.05 | 1 | 0 | barbiturates | allergen;
xenobiotic |
bromoacetate
[no description available] | 2.04 | 1 | 0 | carboxylic acid;
organohalogen compound | |
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. | 2.1 | 1 | 0 | formamides;
volatile organic compound | geroprotector;
hepatotoxic agent;
polar aprotic solvent |
ethylene
Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 3.41 | 1 | 0 | alkene;
gas molecular entity | plant hormone;
refrigerant |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2.01 | 1 | 0 | alkane;
gas molecular entity | food propellant |
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. | 2.72 | 3 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
carbon disulfide
Carbon Disulfide: A colorless, flammable, poisonous liquid, CS2. It is used as a solvent, and is a counterirritant and has local anesthetic properties but is not used as such. It is highly toxic with pronounced CNS, hematologic, and dermatologic effects. | 2.79 | 3 | 0 | one-carbon compound;
organosulfur compound | |
cyclopropane
cyclopropane : A cycloalkane composed of three carbon atoms to form a ring. | 2.1 | 1 | 0 | cycloalkane;
cyclopropanes | inhalation anaesthetic |
nitromethane
nitromethane: structure. nitromethane : A primary nitroalkane that is methane in which one of the hydrogens is replace by a nitro group. A polar solvent (b.p. 101 degreeC), it is an important starting material in organic synthesis. It is also used as a fuel for rockets and radio-controlled models. | 2.78 | 3 | 0 | primary nitroalkane;
volatile organic compound | EC 4.3.1.3 (histidine ammonia-lyase) inhibitor;
explosive;
NMR chemical shift reference compound;
polar aprotic solvent |
methyl sulfate
methyl sulfate: RN given refers to parent cpd. methyl sulfate : An alkyl sulfate that is the monomethyl ester of sulfuric acid. | 2.06 | 1 | 0 | alkyl sulfate;
one-carbon compound | |
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. | 2.17 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite;
NMR chemical shift reference compound;
reagent |
1-nitronaphthalene
1-nitronaphthalene: RN given refers to cpd with locant for nitro moiety in 1 position. 1-nitronaphthalene : A mononitronaphthalene substituted by a nitro group at position 1.. mononitronaphthalene : A nitronaphthalene carrying a single nitro group at unspecified position.. nitronaphthalene : A nitroarene that is naphthalene substituted by at least one nitro group. | 2.02 | 1 | 0 | mononitronaphthalene | environmental contaminant;
mouse metabolite |
2-chlorobenzaldehyde
[no description available] | 1.97 | 1 | 0 | | |
salicylaldehyde
o-hydroxybenzaldehyde: structure in first source | 3.02 | 4 | 0 | hydroxybenzaldehyde | nematicide;
plant metabolite |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.17 | 1 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
quinoline
[no description available] | 2.36 | 2 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinolines | |
isatin
tribulin: endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol withdrawal; | 3.47 | 7 | 0 | indoledione | EC 1.4.3.4 (monoamine oxidase) inhibitor;
plant metabolite |
2-naphthylamine
2-Naphthylamine: A naphthalene derivative with carcinogenic action.. 2-naphthylamine : A naphthylamine carrying the amino group at position 2. | 2.25 | 1 | 0 | naphthylamine | carcinogenic agent |
diphenyl
diphenyl: RN given refers to unlabeled cpd; structure | 2.6 | 1 | 0 | aromatic fungicide;
benzenes;
biphenyls | antifungal agrochemical;
antimicrobial food preservative |
1-phenylpropanol
1-phenylpropanol: structure in first source | 2.01 | 1 | 0 | organic molecular entity | |
benzoylacetone
[no description available] | 2.6 | 1 | 0 | | |
indene
indene: structure in first source. 1H-indene : An ortho-fused bicyclic arene comprising of benzene and cyclopentene rings. | 2.6 | 1 | 0 | indene;
ortho-fused bicyclic arene | |
benzonitrile
benzonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a phenyl group. | 2.06 | 1 | 0 | benzenes;
nitrile | |
acetoacetanilide
N-phenylacetoacetamide: structure in first source | 2.11 | 1 | 0 | | |
n-benzyl-n,n-dimethylamine
[no description available] | 2.13 | 1 | 0 | | |
4-chlorobenzaldehyde
[no description available] | 2.05 | 1 | 0 | | |
ethyl cyanoacetate
ethyl cyanoacetate: affect muscarinic and nicotinic receptors; RN given refers to unlabeled parent cpd | 3.22 | 5 | 0 | | |
3-hydroxybutanal
[no description available] | 3.41 | 1 | 0 | | |
2-cyanoacetamide
2-cyanoacetamide: used in fluorimetric labeling of monosaccharides; structure | 2.47 | 2 | 0 | | |
malonamide
malonamide : A dicarboxylic acid diamide that is malonic acid in which both carboxy groups have been replaced by carbamoyl groups. | 2.08 | 1 | 0 | dicarboxylic acid diamide | |
diisopropylamine
diisopropylamine: structure given in first source | 2.25 | 1 | 0 | | |
methyl malonate
methyl malonate: do not confuse with methylmalonate, i.e., malonic acid substituted with a methyl group on C2; structure | 2.43 | 2 | 0 | | |
thiophenol
thiophenol : A thiol in which the sulfanyl group is attached to a phenyl group. | 2.03 | 1 | 0 | aryl thiol | |
pyrroles
1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 3.63 | 8 | 0 | pyrrole;
secondary amine | |
tetrahydrofuran
oxolane : A cyclic ether that is butane in which one hydrogen from each methyl group is substituted by an oxygen. | 2.1 | 1 | 0 | cyclic ether;
oxolanes;
saturated organic heteromonocyclic parent;
volatile organic compound | polar aprotic solvent |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 3.07 | 4 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
succinonitrile
succinonitrile: structure | 2.33 | 2 | 0 | | |
piperidine
[no description available] | 2.42 | 2 | 0 | azacycloalkane;
piperidines;
saturated organic heteromonocyclic parent;
secondary amine | base;
catalyst;
human metabolite;
non-polar solvent;
plant metabolite;
protic solvent;
reagent |
benzoin
[no description available] | 2.01 | 1 | 0 | benzoins;
secondary alpha-hydroxy ketone | EC 3.1.1.1 (carboxylesterase) inhibitor |
triethylamine
[no description available] | 3.44 | 6 | 0 | tertiary amine | |
ethyl acetoacetate
ethyl acetoacetate: RN given refers to unlabeled parent cpd. ethyl acetoacetate : An ethyl ester resulting from the formal condensation of the carboxy group of acetoacetic acid with ethanol. | 2.06 | 1 | 0 | ethyl ester | antibacterial agent;
flavouring agent;
plant metabolite |
2-vanillin
ortho-vanillin : A member of the class of benzaldehydes that is salicylaldehyde substituted by a methoxy group at position 3. | 1.93 | 1 | 0 | benzaldehydes;
guaiacols | antimutagen;
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. | 2.01 | 1 | 0 | acridines;
mancude organic heterotricyclic parent;
polycyclic heteroarene | genotoxin |
triethylenediamine
triethylenediamine: RN given refers to parent cpd. triethylenediamine : An organic heterobicylic compound that is piperazine with an ethane-1,2-diyl group forming a bridge between N1 and N4. It is typically used as a catalyst in polymerization reactions. | 2.1 | 1 | 0 | bridged compound;
diamine;
saturated organic heterobicyclic parent;
tertiary amino compound | antioxidant;
catalyst;
reagent |
isoxazoles
Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent. | 2.51 | 2 | 0 | isoxazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
thiazoles
[no description available] | 2.52 | 2 | 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. | 2.46 | 2 | 0 | diazine;
pyrimidines | Daphnia magna metabolite |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.81 | 3 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
thiocyanate
thiocyanate: RN given refers to parent cpd. thiocyanate : A pseudohalide anion obtained by deprotonation of the thiol group of thiocyanic acid. | 1.93 | 1 | 0 | pseudohalide anion;
sulfur molecular entity | human metabolite |
cyanoacetic acid
cyanoacetic acid: RN given refers to parent cpd; structure. cyanoacetic acid : A monocarboxylic acid that consists of acetic acid bearing a cyano substituent. | 2.05 | 1 | 0 | monocarboxylic acid | |
cyanogen
cyanogen: structure. oxalonitrile : A dinitrile that is ethane substituted by two cyano groups. | 2.49 | 2 | 0 | dinitrile;
pseudohalogen | |
ninhydrin
Ninhydrin: 2,2-Dihydroxy-1H-indene-1,3-(2H)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties.. ninhydrin : A member of the class of indanones that is indane-1,3-dione bearing two additional hydroxy substituents at position 2. | 2.15 | 1 | 0 | aromatic ketone;
beta-diketone;
indanones;
ketone hydrate | colour indicator;
human metabolite |
indoline
indoline: structure given in first source | 2.5 | 2 | 0 | indoles | |
sodium carbonate
sodium carbonate: used topically for dermatitides, mouthwash, vaginal douche; veterinary use as emergency emetic; RN given refers to carbonic acid, di-Na salt; structure | 2.05 | 1 | 0 | carbonate salt;
organic sodium salt | |
1,3-cyclohexanedione
1,3-cyclohexanedione: structure. cyclohexane-1,3-dione : A cyclohexanedione carrying oxo substituents at positions 1 and 3. | 2.03 | 1 | 0 | beta-diketone;
cyclohexanedione | |
cesium carbonate
[no description available] | 2.06 | 1 | 0 | | |
potassium carbonate
potassium carbonate : A potassium salt that is the dipotassium salt of carbonic acid. | 2.02 | 1 | 0 | carbonate salt;
potassium salt | catalyst;
fertilizer;
flame retardant |
1,4-cyclohexadiene
[no description available] | 2.11 | 1 | 0 | cyclohexadiene | |
pyridine n-oxide
pyridine N-oxide: RN given refers to parent cpd. pyridine N-oxide : The pyridine N-oxide derived from the parent pyridine. It is a drug metabolite of the antihypertensive agent pinacidil. | 2.1 | 1 | 0 | pyridine N-oxides | drug metabolite |
dimethyl phosphate
dimethyl phosphate: excreted in urine after exposure to mevinphos; RN given refers to parent cpd; structure | 2.1 | 1 | 0 | dialkyl phosphate | |
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. | 2.08 | 1 | 0 | cyclohexenone | |
molybdenum trioxide
[no description available] | 2.07 | 1 | 0 | molybdenum oxide | |
zinc oxide
Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. | 2.5 | 2 | 0 | zinc molecular entity | |
tetrabutylammonium
tetrabutylammonium: lipophilic probe; RN given refers to parent cpd | 2.05 | 1 | 0 | quaternary ammonium ion | |
meldrum's acid
Meldrum's acid: structure given in first source | 2.49 | 2 | 0 | | |
o-chlorobenzylidenemalonitrile
o-Chlorobenzylidenemalonitrile: A riot control agent which causes temporary irritation of the eyes and the mucosal surface of the respiratory tract. It is a more potent irritant than OMEGA-CHLOROACETOPHENONE, but less incapacitating. | 2.43 | 2 | 0 | organochlorine compound | |
carbonates
Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.74 | 3 | 0 | carbon oxoanion | |
promethazine
1,3-dimethylimidazolium: structure in first source. 1,3-dimethylimidazolium : A 1-alkyl-3-methylimidazolium in which the alkyl substituent at C-1 is methyl. | 2.06 | 1 | 0 | 1-alkyl-3-methylimidazolium | |
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. | 2.83 | 3 | 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. | 2.07 | 1 | 0 | chromium group element atom | micronutrient |
palladium
Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 3.11 | 4 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
platinum
Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 2.53 | 2 | 0 | elemental platinum;
nickel group element atom;
platinum group metal atom | |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 2.07 | 1 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
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. | 2.03 | 1 | 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. | 3.01 | 2 | 0 | actinoid atom;
f-block element atom;
monoatomic uranium | |
zirconium
Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 2.07 | 1 | 0 | titanium group element atom | |
hypochlorous acid
Hypochlorous Acid: An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.. hypochlorous acid : A chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. | 2.25 | 1 | 0 | chlorine oxoacid;
reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
human metabolite |
sodium thiosulfate
sodium thiosulfate: do not confuse synonym sodium hyposulfite with sodium hyposulfite, synonym for di-Na salt of dithionous acid. sodium thiosulfate : An inorganic sodium salt composed of sodium and thiosulfate ions in a 2:1 ratio. | 1.92 | 1 | 0 | inorganic sodium salt | antidote to cyanide poisoning;
antifungal drug;
nephroprotective agent |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.41 | 1 | 0 | dihydrogen | |
nitrous acid
Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) | 2.06 | 1 | 0 | nitrogen oxoacid | |
galactose
aldohexose : A hexose with a (potential) aldehyde group at one end. | 2.41 | 1 | 0 | | |
salen
disalicylaldehyde ethylenediamine: reagents for determination of iron | 2.06 | 1 | 0 | | |
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. | 3.18 | 5 | 0 | | |
fluorides
[no description available] | 2.1 | 1 | 0 | halide anion;
monoatomic fluorine | |
18-crown-6
18-crown-6 : A crown ether that is cyclooctadecane in which the carbon atoms at positions 1, 4, 7, 10, 13 and 16 have been replaced by oxygen atoms. | 2.02 | 1 | 0 | crown ether;
saturated organic heteromonocyclic parent | phase-transfer catalyst |
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. | 3.64 | 9 | 0 | benzenes;
phenyl acetates | |
acetylacetone
acetylacetone : A beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups. | 2.75 | 3 | 0 | beta-diketone | |
1,4-dioxane
1,4-dioxane: dehydrating agent; polar solvent miscible both with water & most organic solvents. dioxane : Any member of the class of dioxanes that is a cyclohexane in which two carbon atoms are replaced by oxygen atoms.. 1,4-dioxane : A dioxane with oxygen atoms at positions 1 and 4. | 2.07 | 1 | 0 | dioxane;
volatile organic compound | carcinogenic agent;
metabolite;
NMR chemical shift reference compound;
non-polar solvent |
alkenes
[no description available] | 3.82 | 10 | 0 | | |
sodium azide
Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 1.92 | 1 | 0 | inorganic sodium salt | antibacterial agent;
explosive;
mitochondrial respiratory-chain inhibitor;
mutagen |
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 |
nitroacetic acid
nitroacetic acid: inhibits succinate dehydrogenase; RN given refers to parent cpd | 2.02 | 1 | 0 | | |
nitrogen trioxide
[no description available] | 2.06 | 1 | 0 | nitrogen oxide | |
triazoles
Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.1 | 1 | 0 | 1,2,3-triazole | |
isocoumarins
Isocoumarins: Compounds that differ from COUMARINS in having the positions of the ring and ketone oxygens reversed so the keto oxygen is at the 1-position of the molecule.. isocoumarin : The simplest member of the class of isocoumarins that is 1H-isochromene which is substituted by an oxo group at position 1. | 2.31 | 1 | 0 | isocoumarins | |
4-hydroxyquinoline
4-quinolone : A quinolone that is 1,4-dihydroquinoline substituted by an oxo group at position 4. | 2.05 | 1 | 0 | monohydroxyquinoline;
quinolone | |
brusatol
brusatol: quassinoid from B. javanica; structure | 2.13 | 1 | 0 | triterpenoid | |
tetracyanoquinodimethane
tetracyanoquinodimethane: structure. tetracyanoquinodimethane : A quinodimethane that is p-quinodimethane in which the methylidene hydrogens are replaced by cyano groups. | 2.03 | 1 | 0 | alicyclic compound;
nitrile;
quinodimethane | |
n,n'-dibutylurea
N,N'-dibutylurea: structure in first source | 2.02 | 1 | 0 | | |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 2.5 | 2 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
pyrroline
pyrroline: RN given refers to cpd with unspecified locant for dihydro moiety. pyrroline : Any organic heteromonocyclic compound with a structure based on a dihydropyrrole. | 2.5 | 2 | 0 | pyrroline | |
1,4-dihydropyridine
[no description available] | 2.75 | 3 | 0 | | |
laurdan
laurdan: RN from CA Index Guide | 2.25 | 1 | 0 | | |
phosphites
Phosphites: Inorganic salts or organic esters of phosphorous acid that contain the (3-)PO3 radical. (From Grant & Hackh's Chemical Dictionary, 5th ed). phosphite(3-) : A trivalent inorganic anion obtained by removal of all three protons from phosphorous acid. | 2.05 | 1 | 0 | phosphite ion;
trivalent inorganic anion | |
6-methoxy-8-(3-diethylaminopropylamino)quinoline
6-methoxy-8-(3-diethylaminopropylamino)quinoline: RN given refers to parent cpd | 1.92 | 1 | 0 | aminoquinoline | |
quinone methide
quinone methide: intermediate in eumelanin biosynthesis; structure given in first source. quinomethane : A methylidenecyclohexadienone, formally derived from a benzoquinone by replacement of one of the quinone oxygens by a methylidene group. | 2.11 | 1 | 0 | quinomethane | |
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. | 2.06 | 1 | 0 | amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid | algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
organophosphonates
hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2.48 | 2 | 0 | divalent inorganic anion;
phosphite ion | |
sodium bromide
sodium bromide: RN given refers to parent cpd. sodium bromide : An inorganic sodium salt having bromide as the counterion. | 2.05 | 1 | 0 | bromide salt;
inorganic sodium salt | |
2-oxindole
2-oxindole: RN given refers to parent cpd; structure. indolin-2-one : An indolinone carrying an oxo group at position 2. | 2.78 | 3 | 0 | gamma-lactam;
indolinone | |
dihydropyridines
Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 2.75 | 3 | 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. | 2.05 | 1 | 0 | N-acetylneuraminic acids | antioxidant;
bacterial metabolite;
EC 3.2.1.18 (exo-alpha-sialidase) inhibitor;
human metabolite;
mouse 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. | 2.04 | 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. | 2.02 | 1 | 0 | cyclodextrin | |
glycosides
[no description available] | 2.02 | 1 | 0 | | |
thiopyran
thiopyran: structure in first source | 2.48 | 2 | 0 | | |
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. | 2.07 | 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 |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.78 | 3 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
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. | 2.05 | 1 | 0 | thiocarboxamide | hepatotoxic agent |
hydroxypropyl-gamma-cyclodextrin
[no description available] | 2.02 | 1 | 0 | | |
1,1-diphenyl-2-picrylhydrazyl
1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.06 | 1 | 0 | | |
3,4-diaminocyclobut-3-ene-1,2-dione
3,4-diaminocyclobut-3-ene-1,2-dione: structure in first source | 3.41 | 1 | 0 | | |
quinine
[no description available] | 3.68 | 2 | 0 | cinchona alkaloid | antimalarial;
muscle relaxant;
non-narcotic analgesic |
2-mercaptoacetate
2-mercaptoacetate: RN given refers to parent cpd | 2.05 | 1 | 0 | monocarboxylic acid anion | |
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. | 1.96 | 1 | 0 | | |
beta-nitrostyrene
beta-nitrostyrene: RN given refers to cpd without isomeric designation | 1.94 | 1 | 0 | | |
ag 127
AG 127: structure given in first source | 2.11 | 1 | 0 | | |
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. | 2.06 | 1 | 0 | alkali metal atom | |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.06 | 1 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
sulfur
Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2.97 | 4 | 0 | chalcogen;
nonmetal atom | macronutrient |
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.81 | 3 | 0 | cysteinium | fundamental metabolite |
aluminum oxide
Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. | 2.02 | 1 | 0 | | |
5-formylcytosine
5-formylcytosine: structure in first source. 5-formylcytosine : A nucleobase analogue that is cytosine in which the hydrogen at position 5 is replaced by a formyl group. | 2.31 | 1 | 0 | aminopyrimidine;
heteroarenecarbaldehyde;
nucleobase analogue;
pyrimidone | metabolite |
thienopyrimidine
thienopyrimidine: structure in first source. thienopyrimidine : A class of aromatic heterobicyclic compounds each of which contains a pyrimidine ring ortho fused to a 5-membered thiophene ring. | 2.45 | 2 | 0 | | |
maltoheptaose
maltoheptaose: consists of seven glucose residues in a linear 1,4-alpha-linkage; substrate for determining alpha-amylase in serum; RN given refers to (D-glucopyranose)-isomer. maltoheptaose : A maltoheptaose heptasaccharide in which the glucose residue at the reducing end is in the aldehydo open-chain form.. alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-D-Glcp : A maltoheptaose heptasaccharide consisting of six alpha-D-glucose residues and a D-glucose residue joined in sequence by (1->4) glycosidic bonds. | 1.99 | 1 | 0 | maltoheptaose heptasaccharide | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.94 | 1 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
chlorophyll a
Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 1.94 | 1 | 0 | chlorophyll;
methyl ester | cofactor |
chitosan
[no description available] | 2.15 | 1 | 0 | | |
chiniofon
Hydroxyquinolines: The 8-hydroxy derivatives inhibit various enzymes and their halogenated derivatives, though neurotoxic, are used as topical anti-infective agents, among other uses. | 2.52 | 2 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 2.68 | 3 | 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 | |
4-hydroxycoumarin
2-hydroxychromone: structure | 2.13 | 1 | 0 | hydroxycoumarin | |
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents. | 1.92 | 1 | 0 | | |
flavin mononucleotide
Flavin Mononucleotide: A coenzyme for a number of oxidative enzymes including NADH DEHYDROGENASE. It is the principal form in which RIBOFLAVIN is found in cells and tissues. | 2.01 | 1 | 0 | | |
deoxyguanosine
[no description available] | 2.02 | 1 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
pyrimidinones
Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 2.07 | 1 | 0 | | |