Atorvastatin (hemicalcium salt)
CAS: 134523-03-8
Category: Pharmaceutical Intermediates
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5% |
| Molecular Formula | C33H34Ca0.5FN2O5 |
| Molecular Weight | 577.67 |
| Appearance | white to off-white crystalline powder |
| Packaging | 25 kg/fiber drum, 5 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, Calcium test; Purity — Gradient RP-HPLC; Calcium — Flame photometry; Residual solvents — HS-GC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Membrane filtration; Statin diastereomers — Chiral HPLC. |
| Storage Notes | Stored in a cool, dry place at 15-30°C in a tightly closed container, protected from light, humidity, and heat. |
| Lead Time | days |
Used as an HMG-CoA reductase inhibitor intermediate in the synthesis of oral lipid-lowering agents for hypercholesterolemia and cardiovascular risk reduction.