SPL Set ID: 9f8ca507-b784-4d18-8d3e-d7d68072c416
1 drug(s) with this SPL Set ID
Atorvastatin is an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. Atorvastatin calcium is calcium( βR,δR )-2-( p -fluorophenyl)- β,δ -dihydroxy-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrole-1-heptanoate (1:2). The molecular formula of atorvastatin calcium is C 66 H 68 CaF 2 N 4 O 10 •3H 2 O and its molecular weight is 1,209.41. Its structural formula is: Atorvastatin calcium USP is a white to off white powder that is insoluble in aqueous solutions of pH 4 and below. Atorvastatin calcium USP is insoluble to very slightly soluble in distilled water, in pH 7.4 phosphate buffer, and in acetonitrile; very slightly soluble to soluble in alcohol (99.9%); and soluble to freely soluble in methanol. Atorvastatin calcium tablets, USP for oral use contain atorvastatin 10 mg, 20 mg, 40 mg, or 80 mg (equivalent to 10.36 mg, 20.72 mg, 41.44 mg, or 82.88 mg atorvastatin calcium anhydrous) and the following inactive ingredients: calcium carbonate, croscarmellose sodium, hydroxypropyl cellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, Opadry White YS-1-7040 (hypromellose, polyethylene glycol, talc, titanium dioxide) and polysorbate 80. Meets USP Dissolution Test 3. structure