| benzopurpurin 4B | A red acid dye, C34H26N6O6S2Na2, formerly used as a plasma stain and as an indicator (changes from violet to red in the pH range 1.2 to 4.0). (05 Mar 2000) |
|---|---|
| benzopyrene | <chemical> Polycyclic aromatic compound. Potent mutagen and carcinogen. (18 Nov 1997) |
| benzopyrene 4,5-oxide reductase | <enzyme> Nadph and cytochrome p-450-dependent reduces epoxide to glycol Registry number: EC 1.- Synonym: benzo(a)pyrene 4,5-epoxide reductase, bap 4,5-or, benz(a)pyrene 4,5-oxide reductase (26 Jun 1999) |
| benzopyrene hydroxylase | <enzyme> A drug-metabolizing, cytochrome p-448 (p-450) enzyme which catalyses the hydroxylation of benzopyrene to 3-hydroxybenzopyrene in the presence of reduced flavoprotein and molecular oxygen. Also acts on certain anthracene derivatives. Registry number: EC 1.14.14.- (12 Dec 1998) |
| benzopyrenes | A class of chemicals that contain an anthracene ring with a naphthalene ring attached to it. (12 Dec 1998) |
| benzoquinones | Benzene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. (12 Dec 1998) |
| benzoquinonium chloride | A skeletal muscle relaxant. (05 Mar 2000) |
| benzoresinol | A resinous constituent of benzoin. (05 Mar 2000) |
| benzosulfimide | <chemical> In dilute aqueous solution this compound is 300 to 500 times sweeter than sucrose, used as a sweetening agent. (17 Dec 1997) |
| benzothiadiazides | A class of diuretics that increase the excretion of sodium and chloride and an accompanying volume of water, independent of alterations in acid-base balance; most of the compounds in this group are analogues of 1,2,4-benzothiadiazine-1,1-dioxide. See: benzthiazide. (05 Mar 2000) |
| benzoxiquine | 8-quinolinol benzoate ester;a disinfectant. Synonym: benzoxyline. (05 Mar 2000) |
| benzoxyline | 8-quinolinol benzoate ester;a disinfectant. Synonym: benzoxyline. (05 Mar 2000) |
| benzoyl | <chemistry> A compound radical, C6H5.CO; the base of benzoic acid, of the oil of bitter almonds, and of an extensive series of compounds. [Formerly written also benzule. Origin: Benzoic + Gr. Wood. See -yl. Source: Websters Dictionary (01 Mar 1998) |
| benzoyl hydrate | C6H5COOH;occurs naturally in gum benzoin; it is used as a food preservative, locally as a fungistatic, and orally as an antiseptic, diuretic, and expectorant. It is excreted rapidly as hippuric acid. Synonym: benzoyl hydrate, flowers of benzoin. (05 Mar 2000) |
| benzoyl peroxide | <chemical> Dibenzoyl peroxide. A peroxide derivative that has been used topically for burns and as a dermatologic agent in the treatment of acne and poison ivy. It is used also as a bleach in the food industry. Pharmacological action: keratolytic agents. Chemical name: Peroxide, dibenzoyl (12 Dec 1998) |