SPL Set ID: 900b4fd6-9c62-4b64-b4db-760c49ae0a42
1 drug(s) with this SPL Set ID
The active ingredient in famotidine for oral suspension USP is a histamine-2 (H 2 ) receptor antagonist. Famotidine is N' -(aminosulfonyl)-3-[[[2-[(diaminomethylene)amino]-4-thiazolyl]methyl]thio]propanimidamide. The empirical formula of famotidine is C 8 H 15 N 7 O 2 S 3 and its molecular weight is 337.45. Its structural formula is: Each 5 mL of famotidine for oral suspension USP when prepared as directed contains 40 mg of famotidine and the following inactive ingredients: anhydrous citric acid, powdered cellulose, sucrose, xanthan gum and banana, cherry and mint flavor. Added as preservatives are methylparaben sodium, propylparaben sodium and sodium benzoate. Famotidine is a white to pale yellowish-white crystalline powder that is freely soluble in dimethyl formamide and glacial acetic acid; slightly soluble in methanol; very slightly soluble in water; and practically insoluble in chloroform, ether and ethyl acetate.