Diltiazem (hydrochloride)
CAS: 33286-22-5
Category: Benzothiazepine
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥95% |
| Molecular Formula | C22H27ClN2O4S |
| Molecular Weight | 450.98 |
| Appearance | White crystalline powder |
| Packaging | 1g/5g/10g or 25kg/cardboard drum or 1kg/aluminum foil bag |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, Chiral HPLC; Purity — RP-HPLC; Enantiomeric purity — Chiral HPLC; Chloride — Argentometric titration; Residual solvents — HS-GC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Membrane filtration. |
| Storage Notes | Stored at controlled room temperature 20-25°C in a tightly closed, light-resistant container, away from excessive humidity, incompatible materials, heat, and direct sunlight. |
| Lead Time | 10 days |
Used as a calcium channel blocker in the synthesis of antihypertensive and antianginal medications for treating hypertension, angina, and certain arrhythmias.