SPL Set ID: be008c6a-6036-4abf-a3fc-450465c88d55

Valsartan and hydrochlorothiazide tablet USP is a combination of valsartan, an orally active, specific angiotensin II receptor blocker (ARB) acting on the AT 1 receptor subtype, and hydrochlorothiazide, a diuretic. Valsartan, a nonpeptide molecule, is chemically described as N -(1-oxopentyl)- N -[[2'-(1 H -tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-Valine. Its empirical formula is C 24 H 29 N 5 O 3 , 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-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Hydrochlorothiazide is a thiazide diuretic. Its empirical formula is C 7 H 8 ClN 3 O 4 S 2 , its molecular weight is 297.73, and its structural formula is: Valsartan and hydrochlorothiazide tablets USP are formulated for oral administration to contain valsartan and hydrochlorothiazide, 80 mg/12.5 mg, 160 mg/12.5 mg, 160 mg/25 mg, 320 mg/12.5 mg, and 320 mg/25 mg. The inactive ingredients of the tablets are colloidal silicon dioxide, croscarmellose sodium, crospovidone, hypromellose, magnesium stearate, microcrystalline cellulose, pregelatinized starch, polyethylene glycol, titanium dioxide and additional colorants as below. 80 mg/12.5 mg: iron oxide red and iron oxide yellow 160 mg/12.5 mg: iron oxide red 160 mg/25 mg: iron oxide black, iron oxide red and iron oxide yellow 320 mg/12.5 mg: iron oxide black and iron oxide red 320 mg/25 mg: iron oxide yellow image 2 Image-3