Tuesday, February 12, 2008

Diovan hydrochlorothiazide

Diovan HCT®(diovan hydrochlorothiazide)
valsartan and hydrochlorothiazide, USP

Combination Tablets

80 mg/12.5 mg
160 mg/12.5 mg
160 mg/25 mg
320 mg/12.5 mg
320 mg/25 mg

Rx only
Diovan HCTÒ (valsartan and hydrochlorothiazide, USP) is a combination of valsartan, an orally active, specific angiotensin II antagonist acting on the AT1 receptor subtype, and hydrochlorothiazide, a diuretic.

Valsartan, a nonpeptide molecule, is chemically described as N-(1-oxopentyl)-N- [[2' -(1H-tetrazol-5-yl)[1,1' -biphenyl]-4-yl]methyl]-L-Valine. Its empirical formula is C24H29N5O3, its molecular weight is 435.5, and its structural formula is



Valsartan is a white to practically white fine powder. It is soluble in ethanol and methanol and slightly soluble in water.

Hydrochlorothiazide USP is a white, or practically white, practically odorless, crystalline powder. It is slightly soluble in water; freely soluble in sodium hydroxide solution, in n-butylamine, and in dimethylformamide; sparingly soluble in methanol; and insoluble in ether, in chloroform, and in dilute mineral acids. Hydrochlorothiazide is chemically described as 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide.

Hydrochlorothiazide is a thiazide diuretic. Its empirical formula is C7H8ClN3O4S2, its molecular weight is 297.73, and its structural formula is
diovan hydrochlorothiazide

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