Atorvastatin calcium

Atorvastatin calcium (CAS 134523-03-8), also known by the trade names Tahor and CI-981, is a pharmaceutical active ingredient used in the manufacture of cholesterol-lowering medications.

Where is Atorvastatin calcium used?

• Pharmaceutical manufacturing: HMG-CoA reductase inhibitor and active salt form in solid dosage manufacturing
• Oral solid dosage forms: tablets and film-coated tablets for lipid management therapies
• Generic pharmaceutical manufacturing: API for finished drug product registration in regulated markets
• Formulation development: ICH-compliant starting materials
• Quality control laboratories and reference standard suppliers use it for analytical method validation and comparative testing.

Commercial specifications

• Anhydrous and trihydrate forms; trihydrate most commercially prevalent
• Documentation: CoA, DMF references, impurity profiles aligned to pharmacopoeial specifications