| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
ethylene dichloride
ethylene dichloride: RN given refers to 1,2-isomer; structure given in first source. 1,2-dichloroethane : A member of the class of chloroethanes substituted by two chloro groups at positions 1 and 2. | 1.98 | 1 | 0 | chloroethanes | hepatotoxic agent;
mutagen;
non-polar solvent |
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.08 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
benzene
[no description available] | 2.02 | 1 | 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) | 8.53 | 8 | 0 | halide anion;
monoatomic bromine | |
carbon monoxide
Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 1.96 | 1 | 0 | carbon oxide;
gas molecular entity;
one-carbon compound | biomarker;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
human metabolite;
ligand;
metabolite;
mitochondrial respiratory-chain inhibitor;
mouse metabolite;
neurotoxin;
neurotransmitter;
P450 inhibitor;
probe;
signalling molecule;
vasodilator agent |
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). | 3.24 | 6 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
chlordecone
[no description available] | 6.96 | 1 | 0 | cyclic ketone;
organochlorine compound | insecticide;
persistent organic pollutant |
chloroacetic acid
chloroacetic acid: urinary metabolite of vinyl chloride; RN given refers to parent cpd; structure. chloroacetic acid : A chlorocarboxylic acid that is acetic acid carrying a 2-chloro substituent. | 2.17 | 1 | 0 | chlorocarboxylic acid;
haloacetic acid | alkylating agent;
herbicide |
citric acid, anhydrous
Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 2.1 | 1 | 0 | tricarboxylic acid | antimicrobial agent;
chelator;
food acidity regulator;
fundamental metabolite |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.85 | 3 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
propionaldehyde
propionaldehyde: may cause respiratory irritation; RN given refers to parent cpd; structure. propanal : An aldehyde that consists of ethane bearing a formyl substituent. The parent of the class of propanals. | 2.17 | 1 | 0 | alpha-CH2-containing aldehyde;
propanals | Escherichia coli metabolite |
glycerol
Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 1.96 | 1 | 0 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
hydrogen
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. | 2.46 | 2 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
iodine
Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.21 | 1 | 0 | diatomic iodine | nutrient |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.21 | 1 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
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. | 2.03 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
1-octanol
1-Octanol: A colorless, slightly viscous liquid used as a defoaming or wetting agent. It is also used as a solvent for protective coatings, waxes, and oils, and as a raw material for plasticizers. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). octan-1-ol : An octanol carrying the hydroxy group at position 1. | 2 | 1 | 0 | octanol;
primary alcohol | antifungal agent;
bacterial metabolite;
fuel additive;
kairomone;
plant metabolite |
phenol
[no description available] | 7.6 | 1 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite |
dimethyl sulfide
dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group. | 2.31 | 1 | 0 | aliphatic sulfide | algal metabolite;
bacterial xenobiotic metabolite;
EC 3.5.1.4 (amidase) inhibitor;
Escherichia coli metabolite;
marine metabolite |
beta-resorcylic acid
beta-resorcylic acid: RN given refers to parent cpd; structure | 2.05 | 1 | 0 | | |
methylene bromide
methylene bromide: RN given refers to parent cpd. dibromomethane : A member of the class of bromomethanes that is methane substituted by two bromo groups. It is produced by marine algae. | 3.45 | 7 | 0 | bromohydrocarbon;
bromomethanes | algal metabolite;
marine metabolite |
halothane
[no description available] | 2 | 1 | 0 | haloalkane;
organobromine compound;
organochlorine compound;
organofluorine compound | inhalation anaesthetic |
isoflurane
Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 2.02 | 1 | 0 | organofluorine compound | inhalation anaesthetic |
oxybenzone
oxybenzone : A hydroxybenzophenone that is benzophenone which is substituted at the 2- and 4-positions of one of the benzene rings by hydroxy and methoxy groups respectively. | 2.11 | 1 | 0 | hydroxybenzophenone;
monomethoxybenzene | dermatologic drug;
environmental contaminant;
protective agent;
ultraviolet filter;
xenobiotic |
4-dichlorobenzene
dichlorobenzene : Any member of the class of chlorobenzenes carrying two chloro groups at unspecified positions.. 1,4-dichlorobenzene : A dichlorobenzene carrying chloro groups at positions 1 and 4. | 2.17 | 1 | 0 | dichlorobenzene | insecticide |
phenobarbital
Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 1.96 | 1 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
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. | 2.6 | 1 | 0 | benzenediol;
phenolic donor;
resorcinols | erythropoietin inhibitor;
sensitiser |
urethane
[no description available] | 2.17 | 1 | 0 | carbamate ester | fungal metabolite;
mutagen |
carbon tetrachloride
Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.4 | 2 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
aspartic acid
Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 2.1 | 1 | 0 | aspartate family amino acid;
aspartic acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
mouse metabolite;
neurotransmitter |
dimethylnitrosamine
Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 2.25 | 1 | 0 | nitrosamine | geroprotector;
mutagen |
chloroform
Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 7.86 | 55 | 0 | chloromethanes;
one-carbon compound | carcinogenic agent;
central nervous system drug;
inhalation anaesthetic;
non-polar solvent;
refrigerant |
hexachloroethane
[no description available] | 1.98 | 1 | 0 | chlorocarbon;
chloroethanes | carcinogenic agent;
refrigerant |
bromoacetate
[no description available] | 2.54 | 2 | 0 | carboxylic acid;
organohalogen compound | |
asparagine
Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 2.1 | 1 | 0 | amino acid zwitterion;
asparagine;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
histidine
Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 1.97 | 1 | 0 | amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
1,1,1-trichloroethane
Trichloroethanes: Chlorinated ethanes which are used extensively as industrial solvents. They have been utilized in numerous home-use products including spot remover preparations and inhalant decongestant sprays. These compounds cause central nervous system and cardiovascular depression and are hepatotoxic. Include 1,1,1- and 1,1,2-isomers.. 1,1,1-trichloroethane : A member of the class of chloroethanes carrying three chloro substituents at position 1. | 2.4 | 2 | 0 | chloroethanes | polar solvent |
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 | 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 |
bromoethane
bromoethane : A bromoalkane that is ethane carrying a bromo substituent. It is an alkylating agent used as a chemical intermediate in various organic syntheses. | 1.98 | 1 | 0 | bromoalkane;
bromohydrocarbon;
volatile organic compound | alkylating agent;
carcinogenic agent;
local anaesthetic;
refrigerant;
solvent |
bromochloromethane
bromochloromethane: inhibitor of ruminal methane production. bromochloromethane : A halomethane that is chloromethane in which one of the hydrogens has been replaced by a bromine atom. | 2.44 | 2 | 0 | halomethane | |
ethyl chloride
Ethyl Chloride: A gas that condenses under slight pressure. Because of its low boiling point ethyl chloride sprayed on skin produces an intense cold by evaporation. Cold blocks nerve conduction. Ethyl chloride has been used in surgery but is primarily used to relieve local pain in sports medicine.. chloroethane : The simplest and least toxic member of the class of chloroethanes, that is ethane in which a single hydrogen is substituted by a chlorine. A colourless gas at room temperature and pressure (boiling point 12degreeC), it is used as a mild topical anaesthetic to numb the skin prior to ear piercing, skin biopsies, etc., and is also used in the treatment of sports injuries. It was formerly used in the production of tetraethyllead. | 2.15 | 1 | 0 | chloroethanes | antipruritic drug;
inhalation anaesthetic;
local anaesthetic |
vinyl chloride
Vinyl Chloride: A gas that has been used as an aerosol propellant and is the starting material for polyvinyl resins. Toxicity studies have shown various adverse effects, particularly the occurrence of liver neoplasms.. chloroethene : A monohaloethene that is ethene in which one of the hydrogens has been replaced by a chloro group. | 2.52 | 2 | 0 | chloroethenes;
gas molecular entity;
monohaloethene | carcinogenic agent |
methylene chloride
Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.. dichloromethane : A member of the class of chloromethanes that is methane in which two of the hydrogens have been replaced by chlorine. A dense, non-flammible colourless liquid at room temperature (b.p. 40degreeC, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea. | 7.67 | 3 | 0 | chloromethanes;
volatile organic compound | carcinogenic agent;
polar aprotic solvent;
refrigerant |
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. | 2.13 | 1 | 0 | one-carbon compound;
organosulfur compound | |
bromodichloromethane
bromodichloromethane: RN given refers to parent cpd. bromodichloromethane : A halomethane that is dichloromethane in which oneof the hydrogens has been replaced by a bromine atom. It occurs as a contaminant in drinking water. | 6.36 | 51 | 0 | halomethane | environmental contaminant;
reagent |
1,1-dichloroethane
[no description available] | 2.43 | 2 | 0 | organochlorine compound | |
vinylidene chloride
vinylidene chloride: potent hepatotoxin. 1,1-dichloroethene : A member of the class of chloroethenes that is ethene in which both of the hydrogens attached to one of the carbons are replaced by chlorines. | 1.98 | 1 | 0 | chloroethenes | carcinogenic agent;
mouse metabolite;
mutagen |
iodoform
[no description available] | 2.41 | 2 | 0 | iodomethanes | |
bromotrichloromethane
Bromotrichloromethane: A potent liver poison. In rats, bromotrichloromethane produces about three times the degree of liver microsomal lipid peroxidation as does carbon tetrachloride. | 1.98 | 1 | 0 | | |
trichlorofluoromethane
trichlorofluoromethane: refrigerant, aerosol propellant; RN given refers to parent cpd; structure. trichlorofluoromethane : A one-carbon compound that is methane in which the hydrogens have been replaced by three chlorine and one fluorine atom. | 1.98 | 1 | 0 | chlorofluorocarbon;
halomethane | environmental contaminant;
NMR chemical shift reference compound;
NMR solvent;
refrigerant |
tribromoacetic acid
[no description available] | 2.21 | 1 | 0 | | |
pentachloroethane
[no description available] | 1.98 | 1 | 0 | chloroethanes | non-polar solvent |
trichloroacetic acid
Trichloroacetic Acid: A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing warts.. trichloroacetic acid : A monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. | 5.01 | 4 | 0 | monocarboxylic acid;
organochlorine compound | carcinogenic agent;
metabolite;
mouse metabolite |
methacrylaldehyde
[no description available] | 2.08 | 1 | 0 | enal | |
propylene dichloride
propylene dichloride: Russian drug; structure. 1,2-dichloropropane : A chloroalkane that is propane in which a hydrogen from each of two adjacent carbons has been replaced by chlorines. | 1.98 | 1 | 0 | chloroalkane;
volatile organic compound | |
2,3-dichloro-1-propene
2,3-dichloro-1-propene: soil fumigant | 1.98 | 1 | 0 | | |
1,1,2-trichloroethane
1,1,2-trichloroethane: RN given refers to cpd with locants as specified. 1,1,2-trichloroethane : A member of the class of chloroethanes that is ethane substituted by chloro groups at positions 1, 1 and 2. | 1.98 | 1 | 0 | chloroethanes | |
trichloroethylene
Trichloroethylene: A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment.. triol : A chemical compound containing three hydroxy groups. | 7.93 | 4 | 0 | chloroethenes | inhalation anaesthetic;
mouse metabolite |
peracetic acid
Peracetic Acid: A liquid that functions as a strong oxidizing agent. It has an acrid odor and is used as a disinfectant.. peracetic acid : A peroxy acid that is acetic acid in which the OH group is substituted by a hydroperoxy group. It is a versatile oxidising agent that is used as a disinfectant. | 2.11 | 1 | 0 | a peroxy acid | disinfectant;
oxidising agent |
1,1,2,2-tetrachloroethane
1,1,2,2-tetrachloroethane: see also record for tetrachloroethane. 1,1,2,2-tetrachloroethane : A member of the class of chloroethanes that is ethane substituted by chloro groups at positions 1, 1, 2 and 2. | 1.98 | 1 | 0 | chloroethanes | |
dichloroacetic acid
[no description available] | 4.46 | 2 | 0 | monocarboxylic acid;
organochlorine compound | astringent;
marine metabolite |
benzidine
benzidine: RN given refers to parent cpd. benzidine : A member of the class of biphenyls that is 1,1'-biphenyl in which the hydrogen at the para-position of each phenyl group has been replaced by an amino group. | 2.17 | 1 | 0 | biphenyls;
substituted aniline | carcinogenic agent |
1,2,3-trichloropropane
[no description available] | 1.98 | 1 | 0 | organochlorine compound | |
pyrrolidonecarboxylic acid
Pyrrolidonecarboxylic Acid: A cyclized derivative of L-GLUTAMIC ACID. Elevated blood levels may be associated with problems of GLUTAMINE or GLUTATHIONE metabolism.. 5-oxo-L-proline : An optically active form of 5-oxoproline having L-configuration. | 1.96 | 1 | 0 | 5-oxoproline;
L-proline derivative;
non-proteinogenic L-alpha-amino acid | algal metabolite |
ethylbenzene
[no description available] | 2.46 | 2 | 0 | alkylbenzene | |
benzyl chloride
benzyl chloride: RN given refers to unlabeled cpd. chlorophenylmethane : A chlorohydrocarbon that is phenylmethane substituted by a chloro group at unspecified position.. benzyl chloride : A member of the class of benzyl chlorides that is toluene substituted on the alpha-carbon with chlorine. | 2.21 | 1 | 0 | benzyl chlorides | |
acrolein
[no description available] | 2.08 | 1 | 0 | enal | herbicide;
human xenobiotic metabolite;
toxin |
1-bromo-2-chloroethane
1-bromo-2-chloroethane : A haloalkane that is bromoethane substituted by chlorine at position 2. | 1.98 | 1 | 0 | haloalkane;
organobromine compound;
organochlorine compound | mutagen |
chlorobenzene
[no description available] | 2 | 1 | 0 | monochlorobenzenes | solvent |
cyclohexanone
[no description available] | 7.07 | 1 | 0 | cyclohexanones | human xenobiotic metabolite |
butyl bromide
[no description available] | 1.98 | 1 | 0 | | |
butyl chloride
butyl chloride: structure | 1.98 | 1 | 0 | | |
1,3-dichloropropane
1,3-dichloropropane : A chloroalkane that is propane in which a hydrogen from each of the terminal methyl groups has been replaced by a chlorine. | 1.98 | 1 | 0 | chloroalkane;
chlorohydrocarbon | environmental contaminant;
nematicide |
catechin
Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 1.98 | 1 | 0 | catechin | antioxidant;
plant metabolite |
thiazoles
[no description available] | 1.96 | 1 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
fluroxene
fluroxene: was heading 1973-94; use ETHERS to search FLUROXENE 1973-94 | 2.02 | 1 | 0 | organofluorine compound | |
ketene
ketene: structure. ketene : Carbonyl compounds where the C=O bond is conjugated to an alkylidene group. | 2.08 | 1 | 0 | ketene | |
thiazolidines
Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 1.96 | 1 | 0 | thiazolidine | |
1-chloro-2-methylpropene
[no description available] | 1.98 | 1 | 0 | organochlorine compound | |
1-chlorohexane
[no description available] | 1.98 | 1 | 0 | | |
carbon tetrabromide
tetrabromomethane : A one-carbon compound substituted by 4 bromo groups. | 2.42 | 2 | 0 | bromomethanes | |
3-chloro-2-methylprop-1-ene
[no description available] | 1.98 | 1 | 0 | organochlorine compound | |
2,2-dichloropropane
2,2-dichloropropane: a water pollutant | 1.98 | 1 | 0 | | |
1,1,1,2-tetrachloroethane
1,1,1,2-tetrachloroethane: see also record for tetrachloroethane | 1.98 | 1 | 0 | chloroethanes | |
dibromoacetic acid
dibromoacetic acid : A monocarboxylic acid that is acetic acid in which two of the methyl hydrogens are replaced by bromo groups. | 4.76 | 3 | 0 | 2-bromocarboxylic acid;
monocarboxylic acid | apoptosis inducer;
geroprotector;
marine metabolite |
c.i. 42510
Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. | 2.11 | 1 | 0 | | |
methyl tert-butyl ether
methyl tert-butyl ether: used to dissolve gallstones; gasoline additive. methyl tert-butyl ether : An ether having methyl and tert-butyl as the two alkyl components. | 2.17 | 1 | 0 | ether | fuel additive;
metabolite;
non-polar solvent |
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. | 1.98 | 1 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
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. | 7.41 | 2 | 0 | titanium group element atom | |
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. | 3.18 | 5 | 0 | diatomic bromine | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 1.96 | 1 | 0 | dihydrogen | |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 3.94 | 12 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
ozone
Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 4.8 | 3 | 0 | elemental molecule;
gas molecular entity;
reactive oxygen species;
triatomic oxygen | antiseptic drug;
disinfectant;
electrophilic reagent;
greenhouse gas;
mutagen;
oxidising agent;
tracer |
chloramine
[no description available] | 2.63 | 2 | 0 | halide | |
titanium dioxide
titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 7.41 | 2 | 0 | titanium oxides | food colouring |
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. | 2.07 | 1 | 0 | | |
fluorides
[no description available] | 2.31 | 1 | 0 | halide anion;
monoatomic fluorine | |
iodine
[no description available] | 2.11 | 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. | 5.34 | 6 | 0 | benzenes;
phenyl acetates | |
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. | 2.17 | 1 | 0 | dioxane;
volatile organic compound | carcinogenic agent;
metabolite;
NMR chemical shift reference compound;
non-polar solvent |
chlorodibromomethane
[no description available] | 6.37 | 51 | 0 | organochlorine compound | |
tetrachloroethylene
Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 7.93 | 4 | 0 | chlorocarbon;
chloroethenes | nephrotoxic agent |
alkenes
[no description available] | 7.05 | 1 | 0 | | |
azoxymethane
Azoxymethane: A potent carcinogen and neurotoxic compound. It is particularly effective in inducing colon carcinomas. | 2.03 | 1 | 0 | | |
desflurane
Desflurane: A fluorinated ether that is used as a volatile anesthetic for maintenance of general anesthesia. | 2.02 | 1 | 0 | organofluorine compound | inhalation anaesthetic |
2-oxothiazolidine-4-carboxylic acid
2-oxothiazolidine-4-carboxylic acid: analog of 5-oxoproline in which the 4-methylene moiety is replaced by sulfur; acts as 5-oxo-L-prolinase substrate; structure in first source; RN given refers to parent cpd without isomeric designation; Procysteine is a trade name | 1.96 | 1 | 0 | | |
leucomalachite green
[no description available] | 2.11 | 1 | 0 | benzenoid aromatic compound | |
cobalt phthalocyanine
[no description available] | 1.98 | 1 | 0 | | |
hypobromous acid
[no description available] | 3.1 | 4 | 0 | bromine oxoacid | |
bromates
Bromates: Negative ions or salts derived from bromic acid, HBrO3. | 3.1 | 4 | 0 | bromine oxoanion;
monovalent inorganic anion | |
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. | 2.02 | 1 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
firefly luciferin
Firefly Luciferin: A benzothaizole which is oxidized by LUCIFERASES, FIREFLY to cause emission of light (LUMINESCENCE).. Photinus luciferin : A 1,3-thiazolemonocarboxylic acid consisting of 3,5-dihydrothiophene-4-carboxylic acid having a 6-hydroxybenzothiazol-2-yl group at the 2-position. | 1.99 | 1 | 0 | 1,3-thiazolemonocarboxylic acid;
benzothiazoles;
imidothioate | luciferin |
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. | 2.13 | 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 | | |
carbene
carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.07 | 1 | 0 | carbene;
methanediyl | |
beta-lactams
2-azetidinone: structure in first source. azetidin-2-one : An unsubstituted beta-lactam compound.. beta-lactam : A lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. | 2.01 | 1 | 0 | beta-lactam antibiotic allergen;
beta-lactam | |
peroxymonosulfate
peroxymonosulfate: oxidizing agent in prevention of tooth discoloration; RN given refers to ion(2-) | 2.13 | 1 | 0 | sulfur oxide;
sulfur oxoanion | |
lignin
Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 2.11 | 1 | 0 | | |
bromochloroacetic acid
Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process. | 2.03 | 1 | 0 | 2-bromocarboxylic acid;
monocarboxylic acid;
organochlorine compound | |
phenyl-n-tert-butylnitrone
phenyl-N-tert-butylnitrone: a spin-trapping agent | 1.96 | 1 | 0 | | |
diethyl maleate
diethyl maleate : A maleate ester resulting from the formal condensation of both carboxy groups of maleic acid with ethanol. A colourless liquid at room temperature (m.p. -10degreeC) with boiling point 220degreeC at 1 atm., it is commonly used as a dienophile for Diels-Alder-type cycloaddition reactions in organic synthesis. | 1.96 | 1 | 0 | ethyl ester;
maleate ester | glutathione depleting agent |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.11 | 1 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
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. | 1.96 | 1 | 0 | cysteinium | fundamental 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. | 2.5 | 2 | 0 | chlorophyll;
methyl ester | cofactor |
sodium hypochlorite
Sodium Hypochlorite: It is used as an oxidizing and bleaching agent and as a disinfectant. (From Grant & Hackh's Chemical Dictionary, 5th ed). sodium hypochlorite : An inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach. | 2.07 | 1 | 0 | inorganic sodium salt | bleaching agent;
disinfectant |
picrotoxin
Picrotoxin: A noncompetitive antagonist at GABA-A receptors and thus a convulsant. Picrotoxin blocks the GAMMA-AMINOBUTYRIC ACID-activated chloride ionophore. Although it is most often used as a research tool, it has been used as a CNS stimulant and an antidote in poisoning by CNS depressants, especially the barbiturates.. picrotoxin : A mixture consisting of equimolar amounts of picrotoxinin and picrotin found in the climbing plant Anamirta cocculus. | 2.01 | 1 | 0 | | |
heme
Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 1.97 | 1 | 0 | | |
vitamin b 12
Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 1.98 | 1 | 0 | | |
folic acid
folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.02 | 1 | 0 | folic acids;
N-acyl-amino acid | human metabolite;
mouse metabolite;
nutrient |
pheophytin a
pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S*,11S*),4beta,21beta))-isomer | 2.5 | 2 | 0 | | |
metallothionein
Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 1.98 | 1 | 0 | | |
phosphorus radioisotopes
Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 1.96 | 1 | 0 | | |