DESCRIPTION
HydroDIURIL * (Hydrochlorothiazide) is a diuretic and antihypertensive. It is the 3,4-dihydro derivative of chlorothiazide. Its chemical name is 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C7H8ClN3O4S2 and its structural formula is:
It is a white, or practically white, crystalline powder with a molecular weight of 297.74, which is slightly soluble in water, but freely soluble in sodium hydroxide solution.
HydroDIURIL is supplied as 25 mg and 50 mg tablets for oral use. Each tablet contains the following inactive ingredients: calcium phosphate, FD&C Yellow 6, gelatin, lactose, magnesium stearate, starch and talc.
*Registered trademark of MERCK & CO., INC.
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