SPL Set ID: c9bdfbb4-87b6-4de4-bc1d-5025d3ef591f

Benazepril hydrochloride, USP is a white to off-white crystalline powder, soluble (>100 mg/mL) in water, in ethanol, and in methanol. Benazepril hydrochloride's chemical name is 3-[[1-(ethoxycarbonyl)-3-phenyl-(1S)-propyl]amino]-2,3,4,5- tetrahydro-2-oxo-1 H -1-(3S)-benzazepine-1-acetic acid monohydrochloride; its structural formula is: Its molecular formula is C 24 H 28 N 2 O 5 •HCl, and its molecular weight is 460.96. Benazeprilat, the active metabolite of benazepril, is a nonsulfhydryl angiotensin-converting enzyme inhibitor. Benazepril is converted to benazeprilat by hepatic cleavage of the ester group. Hydrochlorothiazide, USP is a white, or practically white, practically odorless, crystalline powder. It is slightly soluble in water; freely soluble in sodium hydroxide solution, in n -butylamine, and in dimethylformamide; sparingly soluble in methanol; and insoluble in ether, in chloroform, and in dilute mineral acids. Hydrochlorothiazide's chemical name is 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide; its structural formula is: Its molecular formula is C 7 H 8 ClN 3 O 4 S 2, and its molecular weight is 297.73. Hydrochlorothiazide is a thiazide diuretic. The tablets are a combination of benazepril hydrochloride and hydrochlorothiazide, USP. They are formulated for oral administration with a combination of 5 mg, 10 mg, or 20 mg of benazepril hydrochloride and 6.25 mg, 12.5 mg, or 25 mg of hydrochlorothiazide, USP. The inactive ingredients of the tablets are colloidal silicon dioxide, crospovidone, hydrogenated castor oil, lactose monohydrate, poloxamer, polyethylene glycol, pregelatinized starch (corn), titanium dioxide and zinc stearate. The 5 mg/6.25 mg tablets also contain polyvinyl alcohol - part hydrolyzed and talc. The 10 mg/12.5 mg tablets also contain FD&C red No. 40, FD&C yellow No. 6, polyvinyl alcohol and talc. The 20 mg/12.5 mg tablets also contain FD&C blue No. 2, FD&C red No. 40, hypromellose and polysorbate. The 20 mg/25 mg tablets also contain FD&C red No. 40, hypromellose and polysorbate. This product meets USP Dissolution Test 2. Chemical Structure 1 HCTZ Chemical Structure