SPL Set ID: b710445a-74f7-b9d2-e053-2a95a90a7b30

The active ingredient in Famotidine tablets is a histamine-2 (H2) receptor antagonist. Famotidine is N’-(aminosulfonyl)-3-[[[2-[(diaminomethylene)amino]-4-thiazolyl]methyl]thio]propanimidamide. The empirical formula of famotidine is C8H15N7O2S3 and its molecular weight is 337.43. Its structural formula is: Each Famotidine tablet for oral administration contains either 20 mg or 40 mg of famotidine and the following inactive ingredients: hypromellose, microcrystalline cellulose, magnesium stearate, modified corn starch, polydextrose, polyethylene glycol, talc, sodium starch glycolate, titanium dioxide and triacetin. Famotidine is a white to pale yellow crystalline compound that is freely soluble in glacial acetic acid, slightly soluble in methanol, very slightly soluble in water, and practically insoluble in ethanol. Formula