| 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. | 2.25 | 1 | 0 | chloroethanes | hepatotoxic agent;
mutagen;
non-polar solvent |
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. | 2.51 | 2 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse 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. | 2.51 | 2 | 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. | 2.51 | 2 | 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] | 2.13 | 1 | 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) | 2.51 | 2 | 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 | 2.13 | 1 | 0 | hydracid;
one-carbon compound | Escherichia coli metabolite;
human metabolite;
poison |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.13 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
diphosphoric acid
diphosphoric acid : An acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid. | 2.13 | 1 | 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. | 2.13 | 1 | 0 | selenium oxoacid | |
sulfurous acid
[no description available] | 2.51 | 2 | 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. | 2.51 | 2 | 0 | sulfur oxoacid | catalyst |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.41 | 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) | 2.51 | 2 | 0 | monocarboxylic acid amide;
sulfonamide;
thiadiazoles | anticonvulsant;
diuretic;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
fluorouracil
Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.6 | 1 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
sulforaphane
sulforaphane: from Cardaria draba L.. sulforaphane : An isothiocyanate having a 4-(methylsulfinyl)butyl group attached to the nitrogen. | 2.6 | 1 | 0 | isothiocyanate;
sulfoxide | antineoplastic agent;
antioxidant;
EC 3.5.1.98 (histone deacetylase) inhibitor;
plant metabolite |
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. | 2.51 | 2 | 0 | sulfamic acids | |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2.25 | 1 | 0 | alkane;
gas molecular entity | food propellant |
methylene iodide
methylene iodide: RN given refers to parent cpd | 2.25 | 1 | 0 | | |
benzenearsonic acid
benzenearsonic acid: RN given refers to parent cpd; structure | 2.13 | 1 | 0 | arsonic acids;
organoarsonic acid | |
methyl anthranilate
methyl anthranilate : A benzoate ester that is the methyl ester of anthranilic acid. | 2.41 | 1 | 0 | benzoate ester | flavouring agent;
metabolite |
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. | 2.25 | 1 | 0 | chloroalkane;
chlorohydrocarbon | environmental contaminant;
nematicide |
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. | 2.51 | 2 | 0 | dithiocarbamic acids | chelator;
copper chelator |
thiazolidines
Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.25 | 1 | 0 | thiazolidine | |
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. | 2.51 | 2 | 0 | hydrogen halide;
mononuclear parent hydride | NMR chemical shift reference compound |
perchloric acid
[no description available] | 2.13 | 1 | 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) | 2.13 | 1 | 0 | nitrogen oxoacid | |
fluorosulfonic acid
perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer | 2.13 | 1 | 0 | sulfur oxoacid | NMR solvent |
hydroiodic acid
hydrogen iodide : A diatomic molecule containing covalently bonded hydrogen and iodine atoms. | 2.51 | 2 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.13 | 1 | 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] | 2.13 | 1 | 0 | boronic acids | |
trithiocarbonic acid
trithiocarbonic acid: RN & Nl from 9th CI; cpd not in Chemline 8/83 | 2.51 | 2 | 0 | chalcocarbonic acid;
one-carbon compound;
thiocarbonyl compound | |
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. | 2.13 | 1 | 0 | sulfamides | |
amphotericin b
Amphotericin B: Macrolide antifungal antibiotic produced by Streptomyces nodosus obtained from soil of the Orinoco river region of Venezuela.. amphotericin B : A macrolide antibiotic used to treat potentially life-threatening fungal infections. | 2.21 | 1 | 0 | antibiotic antifungal drug;
macrolide antibiotic;
polyene antibiotic | antiamoebic agent;
antiprotozoal drug;
bacterial metabolite |
triphenyltin
triphenyltin: triphenyltin derivatives widely used as pesticides; all of first source is triphenyltin cpds | 2.41 | 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. | 2.21 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.41 | 1 | 0 | chalcogen;
nonmetal atom | micronutrient |
selenourea
[no description available] | 2.41 | 1 | 0 | | |
4-hydroxyquinazoline
4-oxo-3,4-dihydroquinazoline: structure in first source | 2.41 | 1 | 0 | quinazolines | |