SPL Set ID: 6fa6afcf-33b3-3115-e053-2a91aa0abd0b

The active ingredient in omeprazole delayed-release capsules USP is a substituted benzimidazole, 5-methoxy-2[[(4-methoxy-3, 5-dimethyl-2-pyridinyl) methyl] sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 17 H 19 N 3 O 3 S, with a molecular weight of 345.42. The structural formula is: Omeprazole USP is a white to off-white crystalline powder that melts with decomposition at about 155°C. It is a weak base, freely soluble in ethanol and methanol, and slightly soluble in acetone and isopropanol and very slightly soluble in water. The stability of omeprazole is a function of pH; it is rapidly degraded in acid media, but has acceptable stability under alkaline conditions. Omeprazole USP is supplied as delayed-release capsules for oral administration. Each delayed-release capsule contains either 10 mg, 20 mg or 40 mg of omeprazole USP in the form of enteric-coated granules with the following inactive ingredients: anhydrous lactose, cetyl alcohol, di-sodium hydrogen phosphate dihydrate, hypromellose, hypromellose phthalate, mannitol, simethicone emulsion 30%, sodium lauryl sulfate and sugar sphere. The capsule shell for omeprazole delayed-release capsules USP, 10 mg contains FD&C Red No. 40, FD&C Yellow No. 6, D&C Yellow No.10, gelatin, FD&C Blue No.1, sodium lauryl sulfate and titanium dioxide. The capsule shell for omeprazole delayed-release capsules USP, 20 mg contains FD&C Blue No.1, gelatin, sodium lauryl sulfate and titanium dioxide. The capsule shell for omeprazole delayed-release capsules USP, 40 mg contains FD&C Red No. 40, FD&C Yellow No. 6, D&C Yellow No.10, gelatin, FD&C Blue No.1, sodium lauryl sulfate and titanium dioxide. The imprinting ink has the following components: shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, black iron oxide and potassium hydroxide. image-01