| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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) | 2.13 | 1 | 0 | halide anion;
monoatomic bromine | |
hydrobromic acid
Hydrobromic Acid: Hydrobromic acid (HBr). A solution of hydrogen bromide gas in water.. hydrobromide : Salts formally resulting from the reaction of hydrobromic acid with an organic base.. hydrogen bromide : A diatomic molecule containing covalently bonded hydrogen and bromine atoms. | 2.8 | 3 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
carbamates
[no description available] | 1.93 | 1 | 0 | amino-acid anion | |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.13 | 1 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
hydrochloric acid
Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 2.8 | 3 | 0 | chlorine molecular entity;
gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse 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. | 2.8 | 3 | 0 | gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride | Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent |
cyanic acid
[no description available] | 2.53 | 2 | 0 | one-carbon compound;
pseudohalogen oxoacid | |
carbonic acid
Carbonic Acid: Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed) | 2.8 | 3 | 0 | carbon oxoacid;
chalcocarbonic acid | mouse metabolite |
hydrogen cyanide
Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.. hydrogen cyanide : A one-carbon compound consisting of a methine group triple bonded to a nitrogen atom | 2.53 | 2 | 0 | hydracid;
one-carbon compound | Escherichia coli metabolite;
human metabolite;
poison |
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. | 2.13 | 1 | 0 | carbon oxoanion | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
thiocyanic acid
thiocyanic acid : A hydracid that is cyanic acid in which the oxygen is replaced by a sulfur atom. | 2.13 | 1 | 0 | hydracid;
one-carbon compound;
organosulfur compound | Escherichia coli metabolite |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.53 | 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) | 2.13 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
diphosphoric acid
diphosphoric acid : An acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid. | 2.53 | 2 | 0 | acyclic phosphorus acid anhydride;
phosphorus oxoacid | Escherichia coli metabolite |
selenic acid
Selenic Acid: A strong dibasic acid with the molecular formula H2SeO4. Included under this heading is the acid form, and inorganic salts of dihydrogen selenium tetraoxide. | 2.53 | 2 | 0 | selenium oxoacid | |
sulfurous acid
[no description available] | 2.8 | 3 | 0 | sulfur oxoacid | |
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 2.8 | 3 | 0 | sulfur oxoacid | catalyst |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.05 | 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 |
acetazolamide
Acetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) | 2.8 | 3 | 0 | monocarboxylic acid amide;
sulfonamide;
thiadiazoles | anticonvulsant;
diuretic;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
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. | 1.93 | 1 | 0 | carboxamidine;
guanidines;
one-carbon compound | |
2-mercaptoethylguanidine
2-mercaptoethylguanidine: proposed as a radiation protective agent; minor descriptor (75-83); on-line & Index Medicus search GUANIDINES (75-83); RN given refers to parent cpd | 1.93 | 1 | 0 | | |
lysine
Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 2.15 | 1 | 0 | aspartate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
lysine;
organic molecular entity;
proteinogenic amino acid | algal metabolite;
anticonvulsant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 2.13 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
sulfamic acid
sulfamic acid: standard in alkalimetry; RN given refers to parent cpd; structure. sulfamic acid : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to hydroxy and amino groups and by double bonds to two oxygen atoms. | 2.8 | 3 | 0 | sulfamic acids | |
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. | 2.38 | 2 | 0 | one-carbon compound;
organosulfur compound | |
acrylic acid
acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | 2.06 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
methacrylamide
[no description available] | 2.11 | 1 | 0 | acrylamides;
primary carboxamide | |
ethylene carbonate
[no description available] | 2.01 | 1 | 0 | carbonate ester | |
benzenearsonic acid
benzenearsonic acid: RN given refers to parent cpd; structure | 2.53 | 2 | 0 | arsonic acids;
organoarsonic acid | |
styrene
Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.. styrene : A vinylarene that is benzene carrying a vinyl group. It has been isolated from the benzoin resin produced by Styrax species. | 2.49 | 2 | 0 | styrenes;
vinylarene;
volatile organic compound | mouse metabolite;
mutagen;
plant metabolite |
maleic anhydride
Maleic Anhydrides: Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. It is a powerful irritant and causes burns.. maleic anhydride : A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. | 2.07 | 1 | 0 | cyclic dicarboxylic anhydride;
furans | allergen |
triethylene glycol dimethacrylate
[no description available] | 2.07 | 1 | 0 | | |
n,n'-methylenebisacrylamide
[no description available] | 2.06 | 1 | 0 | | |
ethyl acrylate
[no description available] | 2.07 | 1 | 0 | enoate ester | |
ditiocarb
Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.8 | 3 | 0 | dithiocarbamic acids | chelator;
copper chelator |
thiocyanate
thiocyanate: RN given refers to parent cpd. thiocyanate : A pseudohalide anion obtained by deprotonation of the thiol group of thiocyanic acid. | 2.13 | 1 | 0 | pseudohalide anion;
sulfur molecular entity | human metabolite |
dithiol
dithiol: structure | 2 | 1 | 0 | | |
methyl carbonate
methyl carbonate: RN given refers to unlabeled parent cpd; structure. dimethyl carbonate : A carbonate ester that is carbonic acid in which both hydrogens are replaced by methyl groups. A flammable, colourless liquid (m.p. 2-4degreeC, b.p. 90degreeC) with a characterstic ester-like odour, it is used as a 'green' methylating agent and as a solvent. | 2.01 | 1 | 0 | carbonate ester | reagent;
solvent |
hydrofluoric acid
Hydrofluoric Acid: Hydrofluoric acid. A solution of hydrogen fluoride in water. It is a colorless fuming liquid which can cause painful burns.. hydrogen fluoride : A diatomic molecule containing covalently bonded hydrogen and fluorine atoms.. organofluorine compound : An organofluorine compound is a compound containing at least one carbon-fluorine bond. | 2.8 | 3 | 0 | hydrogen halide;
mononuclear parent hydride | NMR chemical shift reference compound |
bisphenol a-glycidyl methacrylate
Bisphenol A-Glycidyl Methacrylate: The reaction product of bisphenol A and glycidyl methacrylate that undergoes polymerization when exposed to ultraviolet light or mixed with a catalyst. It is used as a bond implant material and as the resin component of dental sealants and composite restorative materials. | 2.07 | 1 | 0 | diarylmethane | |
n-isopropylacrylamide
N-isopropylacrylamide: can polymerize with glycidyl acrylate to form reactive water-soluble polymer that can react with the amino groups of enzymes-proteins or other ligands | 2.98 | 4 | 0 | | |
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. | 2.67 | 3 | 0 | carbon oxoanion | |
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. | 2.05 | 1 | 0 | copper group element atom;
elemental gold | |
perchloric acid
[no description available] | 2.53 | 2 | 0 | chlorine oxoacid | |
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) | 2.53 | 2 | 0 | nitrogen oxoacid | |
fluorosulfonic acid
perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer | 2.53 | 2 | 0 | sulfur oxoacid | NMR solvent |
hydroiodic acid
hydrogen iodide : A diatomic molecule containing covalently bonded hydrogen and iodine atoms. | 2.8 | 3 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
fluorides
[no description available] | 2.13 | 1 | 0 | halide anion;
monoatomic fluorine | |
iodine
[no description available] | 2.13 | 1 | 0 | halide anion;
monoatomic iodine | human metabolite |
alkenes
[no description available] | 2.05 | 1 | 0 | | |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.84 | 3 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
isothiocyanic acid
[no description available] | 2.51 | 2 | 0 | hydracid;
one-carbon compound | |
benzeneboronic acid
[no description available] | 2.53 | 2 | 0 | boronic acids | |
sulfamide
sulfamide : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to two amino groups and by double bonds to two oxygen atoms. | 2.53 | 2 | 0 | sulfamides | |
hydrogen sulfite
[no description available] | 2.13 | 1 | 0 | sulfur oxoanion | human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
perchlorate
perchlorate: the explosive component of rocket fuel; an environmental contaminant that disrupts THYROID HORMONES. perchlorate : A monovalent inorganic anion obtained by deprotonation of perchloric acid. | 2.13 | 1 | 0 | chlorine oxoanion;
monovalent inorganic anion | |
perrhenate
perrhenate: RN given refers to cpd with MF of O4-Re | 2.13 | 1 | 0 | monovalent inorganic anion;
rhenium oxoanion | |
pyrophosphate
Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.13 | 1 | 0 | diphosphate ion | |
isoselenocyanic acid
[no description available] | 2.51 | 2 | 0 | hydracid;
one-carbon compound | |
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. | 2.6 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
selenocyanic acid
[no description available] | 2.13 | 1 | 0 | organic radical | |
tetraborate
tetraborate: RN given refers to ion(2-). borate ion : Any inorganic anion that is formally derived from boric acid. The term includes polymeric anions containing chains of BO3 structural units sharing one oxygen atom (e.g. di-, tri-, and tetraborates) as well as chains or rings sharing two oxygen atoms (e.g. metaborates). | 2.13 | 1 | 0 | | |
chitosan
[no description available] | 2.04 | 1 | 0 | | |