| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
4-hydroxybenzoic acid
4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.11 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
plant metabolite |
ethylene glycol
Ethylene Glycol: A colorless, odorless, viscous dihydroxy alcohol. It has a sweet taste, but is poisonous if ingested. Ethylene glycol is the most important glycol commercially available and is manufactured on a large scale in the United States. It is used as an antifreeze and coolant, in hydraulic fluids, and in the manufacture of low-freezing dynamites and resins.. ethanediol : Any diol that is ethane or substituted ethane carrying two hydroxy groups.. ethylene glycol : A 1,2-glycol compound produced via reaction of ethylene oxide with water. | 2.44 | 2 | 0 | ethanediol;
glycol | metabolite;
mouse metabolite;
solvent;
toxin |
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
adipic acid
adipic acid : An alpha,omega-dicarboxylic acid that is the 1,4-dicarboxy derivative of butane. | 2.81 | 3 | 0 | alpha,omega-dicarboxylic acid;
dicarboxylic fatty acid | food acidity regulator;
human xenobiotic metabolite |
benzene
[no description available] | 2.05 | 1 | 0 | aromatic annulene;
benzenes;
volatile organic compound | carcinogenic agent;
environmental contaminant;
non-polar solvent |
benzoic acid
Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 2.48 | 2 | 0 | benzoic acids | algal metabolite;
antimicrobial food preservative;
drug allergen;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
carbamates
[no description available] | 2.31 | 1 | 0 | amino-acid anion | |
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). | 2.42 | 2 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.74 | 3 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
glutaric acid
glutaric acid: RN given refers to parent cpd. glutaric acid : An alpha,omega-dicarboxylic acid that is a linear five-carbon dicarboxylic acid. | 1.98 | 1 | 0 | alpha,omega-dicarboxylic acid;
dicarboxylic fatty acid | Daphnia magna metabolite;
human metabolite |
hydrogen carbonate
Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 2.11 | 1 | 0 | carbon oxoanion | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.95 | 4 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
imidazole
imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.05 | 1 | 0 | imidazole | |
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.. | 2.37 | 2 | 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. | 1.98 | 1 | 0 | alpha,omega-dicarboxylic acid | human metabolite |
nickel
Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2.08 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.47 | 2 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.58 | 2 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
phthalic acid
phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 3.58 | 8 | 0 | benzenedicarboxylic acid | human xenobiotic 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. | 1.98 | 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 |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 1.93 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
2,2'-dipyridyl
2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'. | 2.01 | 1 | 0 | bipyridine | chelator;
ferroptosis inhibitor |
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). | 2.03 | 1 | 0 | barbiturates | drug allergen |
bicalutamide
bicalutamide: approved for treatment of advanced prostate cancer. N-[4-cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanamide : A member of the class of (trifluoromethyl)benzenes that is 4-amino-2-(trifluoromethyl)benzonitrile in which one of the amino hydrogens is substituted by a 3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanoyl group.. bicalutamide : A racemate comprising of equal amounts of (R)-bicalutamide and (S)-bicalutamide. It is an oral non-steroidal antiandrogen used in the treatment of prostate cancer and hirsutism. | 2.03 | 1 | 0 | (trifluoromethyl)benzenes;
monocarboxylic acid amide;
monofluorobenzenes;
nitrile;
sulfone;
tertiary alcohol | |
busulfan
[no description available] | 2.11 | 1 | 0 | methanesulfonate ester | alkylating agent;
antineoplastic agent;
carcinogenic agent;
insect sterilant;
teratogenic agent |
guanidine
Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 2.05 | 1 | 0 | carboxamidine;
guanidines;
one-carbon compound | |
ibuprofen
Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.15 | 1 | 0 | monocarboxylic acid | antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
environmental contaminant;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
radical scavenger;
xenobiotic |
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. | 2.11 | 1 | 0 | benzaldehydes;
dialdehyde | epitope |
piperazine
[no description available] | 7.59 | 2 | 0 | azacycloalkane;
piperazines;
saturated organic heteromonocyclic parent | anthelminthic drug |
spironolactone
Spironolactone: A potassium sparing diuretic that acts by antagonism of aldosterone in the distal renal tubules. It is used mainly in the treatment of refractory edema in patients with congestive heart failure, nephrotic syndrome, or hepatic cirrhosis. Its effects on the endocrine system are utilized in the treatments of hirsutism and acne but they can lead to adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p827). spironolactone : A steroid lactone that is 17alpha-pregn-4-ene-21,17-carbolactone substituted by an oxo group at position 3 and an alpha-acetylsulfanyl group at position 7. | 2.03 | 1 | 0 | 3-oxo-Delta(4) steroid;
oxaspiro compound;
steroid lactone;
thioester | aldosterone antagonist;
antihypertensive agent;
diuretic;
environmental contaminant;
xenobiotic |
aldosterone
[no description available] | 2.03 | 1 | 0 | 11beta-hydroxy steroid;
18-oxo steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid hormone;
mineralocorticoid;
primary alpha-hydroxy ketone;
steroid aldehyde | human metabolite;
mouse metabolite |
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. | 2.03 | 1 | 0 | pyrazolone;
tertiary amino compound | antipyretic;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
adenosine monophosphate
Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.41 | 1 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist;
cofactor;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
EC 3.1.3.11 (fructose-bisphosphatase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 2.03 | 1 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 1.98 | 1 | 0 | antibiotic fungicide;
cyclic ketone;
dicarboximide;
piperidine antibiotic;
piperidones;
secondary alcohol | anticoronaviral agent;
bacterial metabolite;
ferroptosis inhibitor;
neuroprotective agent;
protein synthesis inhibitor |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 2.05 | 1 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.6 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
tryptophan zwitterion;
tryptophan | antidepressant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
acetylene
[no description available] | 2.02 | 1 | 0 | alkyne;
gas molecular entity;
terminal acetylenic compound | |
3-mercaptopropionic acid
3-Mercaptopropionic Acid: An inhibitor of glutamate decarboxylase. It decreases the GAMMA-AMINOBUTYRIC ACID concentration in the brain, thereby causing convulsions.. 3-mercaptopropanoic acid : A mercaptopropanoic acid that is propanoic acid carrying a sulfanyl group at position 3. | 1.97 | 1 | 0 | mercaptopropanoic acid | algal metabolite |
propylparaben
Parabens: Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872) | 2.11 | 1 | 0 | benzoate ester;
paraben;
phenols | antifungal agent;
antimicrobial agent |
terephthaloyl chloride
terephthaloyl chloride: cross-links albumin | 2.03 | 1 | 0 | | |
terephthalic acid
terephthalic acid: RN given refers to 1,4-benzenedicarboxylic acid. terephthalic acid : A benzenedicarboxylic acid carrying carboxy groups at positions 1 and 4. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and isophthalic acids. | 3.98 | 13 | 0 | benzenedicarboxylic acid | |
benzonitrile
benzonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a phenyl group. | 2.41 | 1 | 0 | benzenes;
nitrile | |
triethanolamine
triethanolamine: RN given refers to parent cpd. triethanolamine : A tertiary amino compound that is ammonia in which each of the hydrogens is substituted by a 2-hydroxyethyl group. | 7.31 | 1 | 0 | amino alcohol;
tertiary amino compound;
triol | buffer;
surfactant |
4-methylpyridine
4-methylpyridine: structure in first source. 4-methylpyridine : A methylpyridine in which the methyl substituent is at position 4. | 2.02 | 1 | 0 | methylpyridine | |
cyclohexane
Cyclohexane: C6H12. cyclohexane : An alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic form of hexane, used as a raw material in the manufacture of nylon. | 2.05 | 1 | 0 | cycloalkane;
volatile organic compound | non-polar solvent |
diethylene glycol
glycol ether : A hydroxyether which contains both an ether and alcohol functional groups. It is one of the most versatile classes of organic solvents which are commonly used in paints, cleaners, adhesives, pharmaceuticals and cosmetics. | 2.76 | 3 | 0 | hydroxyether | |
dimethyl 4-phthalate
dimethyl 4-phthalate: solvent; structure. dimethyl terephthalate : A diester resulting from the formal condensation of the carboxy groups of terephthalic acid with methanol. It is a primary ingredient widely used in the manufacture of polyesters and industrial plastics. | 2.06 | 1 | 0 | diester;
methyl ester;
phthalate ester | |
dimethyl phthalate
dimethyl phthalate: used as plasticizer in computer mouse; structure | 2.06 | 1 | 0 | diester;
methyl ester;
phthalate ester | |
benzofuran
benzofuran: RN & structure given in first source. 1-benzofuran : A benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. | 2.03 | 1 | 0 | 1-benzofurans;
benzofuran | |
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. | 2.02 | 1 | 0 | bridged compound;
diamine;
saturated organic heterobicyclic parent;
tertiary amino compound | antioxidant;
catalyst;
reagent |
1,2,4-triazole
1,2,4-triazole: RN given refers to 1H-1,2,4-triazole | 2.17 | 1 | 0 | 1,2,4-triazole | |
dithiol
dithiol: structure | 6.93 | 1 | 0 | | |
2,4-pyridinedicarboxylic acid
lutidinic acid : A pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 4. | 2.03 | 1 | 0 | pyridinedicarboxylic acid | |
dihydrotestosterone
Dihydrotestosterone: A potent androgenic metabolite of TESTOSTERONE. It is produced by the action of the enzyme 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE.. 17beta-hydroxyandrostan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4-5 double bond has been reduced to a single bond with unspecified configuration at position 5.. 17beta-hydroxy-5alpha-androstan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4,5 double bond has been reduced to a single bond with alpha-configuration at position 5. | 2.03 | 1 | 0 | 17beta-hydroxy steroid;
17beta-hydroxyandrostan-3-one;
3-oxo-5alpha-steroid | androgen;
Daphnia magna metabolite;
human metabolite;
mouse metabolite |
lucanthone hydrochloride
Schistosomicides: Agents that act systemically to kill adult schistosomes. | 2.15 | 1 | 0 | | |
4,4'-bipyridyl
4,4'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-4 and C-4'. | 3 | 4 | 0 | bipyridine | |
trimesic acid
trimesic acid: RN given refers to parent cpd. benzene-1,3,5-tricarboxylic acid : A tricarboxylic acid that consists of benzene substituted by carboxy groups at positions 1, 3 and 5. | 2.79 | 3 | 0 | benzoic acids;
tricarboxylic acid | |
3-aminophenol
3-aminophenol: RN given refers to parent cpd. 3-aminophenol : An aminophenol that is one of three amino derivatives of phenol which has the single amino substituent located meta to the phenolic -OH group. | 1.93 | 1 | 0 | aminophenol | |
tetrabutylammonium
tetrabutylammonium: lipophilic probe; RN given refers to parent cpd | 2.11 | 1 | 0 | quaternary ammonium ion | |
monomethyl phthalate
monomethyl phthalate: structure in first source | 2.06 | 1 | 0 | methyl ester;
phthalic acid monoester | |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.11 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
niobium
Niobium: A metal element atomic number 41, atomic weight 92.906, symbol Nb. | 2.11 | 1 | 0 | vanadium group element atom | |
terbium
Terbium: An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 65, and atomic weight 158.92. | 2.43 | 2 | 0 | f-block element atom;
lanthanoid atom | |
titanium
Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 2.05 | 1 | 0 | titanium group element atom | |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.31 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
gold
Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.99 | 4 | 0 | copper group element atom;
elemental gold | |
sodium nitrate
sodium nitrate : The inorganic nitrate salt of sodium. | 2.03 | 1 | 0 | inorganic nitrate salt;
inorganic sodium salt | fertilizer;
NMR chemical shift reference compound |
bromine
Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 2.08 | 1 | 0 | diatomic bromine | |
iodine
[no description available] | 1.94 | 1 | 0 | halide anion;
monoatomic iodine | human metabolite |
phenyl acetate
phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2 | 1 | 0 | benzenes;
phenyl acetates | |
5-aminoisophthalic acid
[no description available] | 2.17 | 1 | 0 | | |
triazoles
Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 3.01 | 4 | 0 | 1,2,3-triazole | |
coenzyme a
[no description available] | 7.41 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
succinyl-coenzyme a
[no description available] | 2.13 | 1 | 0 | omega-carboxyacyl-CoA | Escherichia coli metabolite;
inhibitor;
mouse metabolite |
alpha-methylene glutarate
2-methylenepentanedioic acid: structure in first source. 2-methylideneglutaric acid : A dicarboxylic acid comprising a glutaric acid core with a methylene group at the 2-position. | 2.03 | 1 | 0 | dicarboxylic acid;
dicarboxylic fatty acid | |
cobalt
Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.11 | 1 | 0 | cobalt group element atom;
metal allergen | micronutrient |
cyanates
Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 2.07 | 1 | 0 | | |
caprylates
Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis. | 2 | 1 | 0 | fatty acid anion 8:0;
straight-chain saturated fatty acid anion | human metabolite;
Saccharomyces cerevisiae metabolite |
benzoyl-coenzyme a
benzoyl-coenzyme A: RN given refers to unlabeled cpd | 2.57 | 2 | 0 | | |
dithiane
dithiane: structure in first source | 2.03 | 1 | 0 | dithiane | |
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. | 2.11 | 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 |
singlet oxygen
Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 2.17 | 1 | 0 | chalcogen;
monoatomic oxygen;
nonmetal atom | macronutrient |
isophorone diisocyanate
[no description available] | 2.07 | 1 | 0 | diisocyanate | |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.03 | 1 | 0 | | |
elastin
[no description available] | 2.11 | 1 | 0 | oligopeptide | |
eplerenone
Eplerenone: A spironolactone derivative and selective ALDOSTERONE RECEPTOR antagonist that is used in the management of HYPERTENSION and CONGESTIVE HEART FAILURE, post-MYOCARDIAL INFARCTION. | 2.03 | 1 | 0 | 3-oxo-Delta(4) steroid;
epoxy steroid;
gamma-lactone;
methyl ester;
organic heteropentacyclic compound;
oxaspiro compound;
steroid acid ester | aldosterone antagonist;
antihypertensive agent |
maleic acid
maleic acid: RN given refers to parent cpd(Z)-isomer which is maleic acid; all RR's given refer to (Z)-isomer; (E)-isomer is fumaric acid. maleic acid : A butenedioic acid in which the double bond has cis- (Z)-configuration. | 2.21 | 1 | 0 | butenedioic acid | algal metabolite;
mouse metabolite;
plant metabolite |
acetyl coenzyme a
Acetyl Coenzyme A: Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. | 2.41 | 1 | 0 | acyl-CoA | acyl donor;
coenzyme;
effector;
fundamental metabolite |
fumaric acid
fumaric acid: see also record for ferrous fumarate; use FUMARATES for general fumaric acid esters. fumaric acid : A butenedioic acid in which the C=C double bond has E geometry. It is an intermediate metabolite in the citric acid cycle. | 1.98 | 1 | 0 | butenedioic acid | food acidity regulator;
fundamental metabolite;
geroprotector |
sodium benzoate
Sodium Benzoate: The sodium salt of BENZOIC ACID. It is used as an antifungal preservative in pharmaceutical preparations and foods. It may also be used as a test for liver function.. sodium benzoate : An organic sodium salt resulting from the replacement of the proton from the carboxy group of benzoic acid by a sodium ion. | 2.05 | 1 | 0 | organic sodium salt | algal metabolite;
antimicrobial food preservative;
drug allergen;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
glycosides
[no description available] | 2.01 | 1 | 0 | | |
pyrophosphate
Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.41 | 1 | 0 | diphosphate ion | |
nadp
[no description available] | 7.7 | 3 | 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) | 2.11 | 1 | 0 | | |
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. | 2.77 | 3 | 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-) | 1.98 | 1 | 0 | butenedioate;
C4-dicarboxylate | human metabolite;
metabolite;
Saccharomyces cerevisiae metabolite |
1-palmitoyl-2-oleoylphosphatidylcholine
1-palmitoyl-2-oleoylphosphatidylcholine: RN given refers to (Z)-isomer | 2.11 | 1 | 0 | | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 7.92 | 4 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
oligonucleotides
[no description available] | 2.17 | 1 | 0 | | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.11 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
sodium salicylate
[no description available] | 1.93 | 1 | 0 | organic molecular entity | |
bryostatin 1
bryostatin 1: a protein kinase C activator; macrocyclic lactone from marine Bryozoan Bugula neritina; RN given refers to (1S*-(1R*,3R*,5Z,7S*,8E,11R*,12R*(2E,4E),13E,15R*,17S*(S*),21S*,23S*,25R*))-isomer; structure given in first source; activates protein kinase c. bryostatin 1 : A member of the class of bryostatins that is (17E)-2-oxooxacyclohexacos-17-ene which is substituted by hydroxy groups at positions 4, 10, and 20; an acetoxy group at position 8; methyl groups at positions 9, 9, 18, and 19; 2-methoxy-2-oxoethylidene groups at positions 14 and 24; an (E,E)-octa-2,4-dienoyloxy group at position 21; and with oxygen bridges linking positions 6 to 10, 12 to 16, and 20 to 24. It is one of the most abundant member of the class of bryostatins. | 2.17 | 1 | 0 | | |
oxytetracycline, anhydrous
Oxytetracycline: A TETRACYCLINE analog isolated from the actinomycete STREPTOMYCES RIMOSUS and used in a wide variety of clinical conditions.. oxytetracycline : A tetracycline used for treatment of infections caused by a variety of Gram positive and Gram negative microorganisms including Mycoplasma pneumoniae, Pasteurella pestis, Escherichia coli, Haemophilus influenzae (respiratory infections), and Diplococcus pneumoniae. | 2.17 | 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. | 2.06 | 1 | 0 | | |
phthalocyanine
phthalocyanine : A tetrapyrrole fundamental parent that consists of four isoindole-type units, with the connecting carbon atoms in the macrocycle replaced by nitrogen. | 7.11 | 1 | 0 | phthalocyanines;
tetrapyrrole fundamental parent | |
amyloid beta-peptides
amyloid beta-protein (1-40): although acutely neurotoxic in both rat & monkey cerebral cortex, neuronal degeneration in primates resembles more closely to that found in Alzheimer's disease; amino acid sequence has been determined | 2.17 | 1 | 0 | | |
4-hydroxybenzoic acid
4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.06 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
plant metabolite |
benzoic acid
Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 2.06 | 1 | 0 | benzoic acids | algal metabolite;
antimicrobial food preservative;
drug allergen;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
human xenobiotic 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). | 2.06 | 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 |
phthalic acid
phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 2.06 | 1 | 0 | benzenedicarboxylic acid | human xenobiotic metabolite |
mellitic acid
mellitic acid: RN given refers to parent cpd; structure. mellitic acid : A benzene-derived hexacarboxylic acid in which each carbon of benzene carries a carboxy substituent. | 2.06 | 1 | 0 | hexacarboxylic acid | |
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. | 2.06 | 1 | 0 | nitrobenzoic acid | |
4-chlorobenzoic acid
4-chlorobenzoic acid: RN given refers to parent cpd. 4-chlorobenzoic acid : A monochlorobenzoic acid carrying a chloro substituent at position 4. | 2.06 | 1 | 0 | monochlorobenzoic acid | bacterial xenobiotic metabolite |
pyromellitic acid
pyromellitic acid: RN given refers to parent cpd; structure. pyromellitic acid : A tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively. | 2.06 | 1 | 0 | benzoic acids;
tetracarboxylic acid | |
3-hydroxybenzoic acid
3-hydroxybenzoic acid: RN given refers to parent cpd. 3-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid substituted by a hydroxy group at position 3. It has been isolated from Taxus baccata. It is used as an intermediate in the synthesis of plasticisers, resins, pharmaceuticals, etc. | 2.06 | 1 | 0 | monohydroxybenzoic acid | bacterial metabolite;
plant metabolite |
4-toluic acid
4-toluic acid: RN given refers to parent cpd; structure. p-toluic acid : A methylbenzoic acid in which the methyl substituent is located at position 4. | 2.06 | 1 | 0 | methylbenzoic acid | |
terephthalic acid
terephthalic acid: RN given refers to 1,4-benzenedicarboxylic acid. terephthalic acid : A benzenedicarboxylic acid carrying carboxy groups at positions 1 and 4. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and isophthalic acids. | 2.06 | 1 | 0 | benzenedicarboxylic acid | |
2-chlorobenzoic acid
2-chlorobenzoic acid: RN given refers to parent cpd. chlorobenzoic acid : Any member of the class of benzoic acids in which the benzene ring is substituted by at least one chloro group.. 2-chlorobenzoic acid : A monochlorobenzoic acid having the chloro group at the 2-position. | 2.06 | 1 | 0 | 2-halobenzoic acid;
monochlorobenzoic acid | plant hormone;
plant metabolite |
trimellitic acid
trimellitic acid: RN given refers to parent cpd; structure. trimellitic acid : Benzene substituted at the 1,2, and 4 positions by carboxy groups. | 2.06 | 1 | 0 | tricarboxylic acid | |
trimesic acid
trimesic acid: RN given refers to parent cpd. benzene-1,3,5-tricarboxylic acid : A tricarboxylic acid that consists of benzene substituted by carboxy groups at positions 1, 3 and 5. | 2.06 | 1 | 0 | benzoic acids;
tricarboxylic acid | |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2.06 | 1 | 0 | caffeic acid | geroprotector;
mouse metabolite |
muconic acid
muconic acid: a metabolite of benzene; reported to be a reliable indicator of occupational exposure to benzene; structure given in first source. trans,trans-muconic acid : The trans,trans-isomer of muconic acid. It is metabolite of benzene in humans and serves as a biomarker of occupational exposure to benzene.. muconic acid : A hexadienedioic acid with unsaturation at positions 2 and 4. | 2.06 | 1 | 0 | muconic acid | biomarker;
human xenobiotic metabolite |