Amiloride Hydrochloride

DRUG DESCRIPTION

Amiloride HCl, an antikaliuretic-diuretic agent, is a pyrazine-carbonyl-guanidine that is unrelated chemically to other known antikaliuretic or diuretic agents. It is the salt of a moderately strong base (pKa 8.7). It is designated chemically as 3,5-diamino-6-chloro- N-(diaminomethylene) pyrazinecarboxamide monohydrochloride, dihydrate and has a molecular weight of 302.12. Its empirical formula is C6H8CIN7O•HCl•2H2O and its structural formula is:

Amiloride Hcl Structural Formula Illustration

Each tablet for oral administration contains 5 mg of Amiloride HCI, calculated on the anhydrous basis. Each tablet contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, D&C yellow #10 lake, dibasic calcium phosphate dihydrate, FD&C yellow #6 lake, magnesium stearate, microcrystalline cellulose and silicon dioxide.



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