SPL Set ID: b7e49f05-6d4f-465a-b0d7-f704466a2e52

Ramipril, USP is a 2-aza-bicyclo [3.3.0]-octane-3-carboxylic acid derivative. It is a white, crystalline substance soluble in polar organic solvents and buffered aqueous solutions. Ramipril melts between 105°C to 112°C. The CAS Registry Number is 87333-19-5. Ramipril's chemical name is (2 S , 3a S , 6a S )-1 [( S )- N -[( S )-1-Carboxy-3-phenylpropyl] alanyl] octahydrocyclopenta [ b ]pyrrole-2-carboxylic acid, 1-ethyl ester. The inactive ingredients present are pregelatinized starch NF, gelatin, and titanium dioxide. The 1.25 mg capsule shell contains D&C Yellow # 10 and FD&C Yellow # 6 the 2.5 mg capsule shell contains D&C Red # 28, D&C Yellow # 10 and FD&C Red #40, the 5 mg capsule shell contains D&C Red # 28, D&C Red # 33, D&C Yellow # 10 and FD&C Blue #1, and the 10 mg capsule shell contains D&C Red # 28, and FD&C Blue #1. Capsule shells are imprinted with black ink containing shellac, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2, FD&C Red #40, D&C Yellow #10 and FD&C Blue #1. The structural formula for ramipril is: Its molecular formula is C 23 H 32 N 2 O 5 and its molecular weight is 416.5. Ramiprilat, the diacid metabolite of ramipril, is a non-sulfhydryl ACE inhibitor. Ramipril is converted to ramiprilat by hepatic cleavage of the ester group. "Image Description"