| benzamidines | Amidines substituted with a benzene group. Benzamidine and its derivatives are known as peptidase inhibitors. (12 Dec 1998) |
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| benzanthracene | <chemical> A carcinogenic hydrocarbon. Generally, hydrocarbons in which a benzene and anthracene ring have a double bond in common. Chemical name: 1,2-benzanthracene Synonym: benzanthrene. (04 Jul 2000) |
| benzanthrene | <chemical> A carcinogenic hydrocarbon. Generally, hydrocarbons in which a benzene and anthracene ring have a double bond in common. Chemical name: 1,2-benzanthracene Synonym: benzanthrene. (04 Jul 2000) |
| benzbromarone | <chemical> 3,5-dibromo-4-hydroxyphenyl-2-ethyl-3-benzofuranyl ketone. Uricosuric that acts by increasing uric acid clearance. It is used in the treatment of gout. Pharmacological action: uricosuric agents. Chemical name: Methanone, (3,5-dibromo-4-hydroxyphenyl)(2-ethyl-3-benzofuranyl)- (12 Dec 1998) |
| benzene | <chemistry> A volatile, very inflammable liquid, contained in the naphtha produced by the destructive distillation of coal, from which it is separated by fractional distillation. The name is sometimes applied also to the impure commercial product or benzole, and also, but rarely, to a similar mixed product of petroleum. The Benzene nucleus or Benzene ring, is a closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic compounds are derived. Structure: C6H6 Origin: From Benzoin. (06 Aug 1998) |
| benzene 1,2-dioxygenase | <enzyme> Converts benzene into cis-benzene glycol; consists of a flavoprotein reductase, reductase(bed), and a ferredoxin, ferredoxin(bed), which transfers electrons from NADH to an iron-sulfur protein, isp(bed), which acts as a dioxygenase Registry number: EC 1.14.12.3 Synonym: benzene hydroxylase (26 Jun 1999) |
| benzene mono-oxygenase | <enzyme> Cytochrome p-450-dependent; forms benzene oxide Registry number: EC 1.13.12.- (26 Jun 1999) |
| benzene nucleus | The six conjugated carbon atoms of the benzene ring. (05 Mar 2000) |
| benzene ring | The closed-chain arrangement of the carbon and hydrogen atoms in the benzene molecule. See: cyclic compound. (05 Mar 2000) |
| benzeneamine | <chemistry> An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colourless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made. See: Anil. Source: Websters Dictionary (01 Mar 1998) |
| benzenesulfonates | Organic salts and esters of benzenesulfonic acid. (12 Dec 1998) |
| benzestrol | 3-Ethyl-2,4-bis(p-hydroxyphenyl)acetate;a synthetic oestrogenic substance. (05 Mar 2000) |
| benzethonium | <chemical> Bactericidal cationic quaternary ammonium surfactant used as a topical anti-infective agent. It is an ingredient in medicaments, deodorants, mouthwashes, etc., and is used to disinfect apparatus, etc., in the food processing and pharmaceutical industries, in surgery, and also as a preservative. The compound is toxic orally as a result of neuromuscular blockade. Pharmacological action: anti-infective agents, local. Chemical name: Benzenemethanaminium, N,N-dimethyl-N-(2-(2-(4-(1,1,3,3-tetramethylbutyl)phenoxy)ethoxy)ethyl)-, chloride (12 Dec 1998) |
| benzethonium chloride | A synthetic quaternary ammonium compound, one of the cationic class of detergents; germicidal and bacteriostatic. (05 Mar 2000) |
| benzhydryl compounds | Compounds which contain the methyl radical substituted with two benzene rings. Permitted are any substituents, but ring fusion to any of the benzene rings is not allowed. (12 Dec 1998) |