Vardenafil (hydrochloride)
CAS: 224785-91-5
Category: Pyrrolidinophenones
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5% |
| Molecular Formula | C23H33ClN6O4S |
| Molecular Weight | 525.06 |
| Appearance | white to off-white crystalline powder |
| Packaging | 1 kg/aluminum foil bag, 25 kg/fiber drum. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, Chloride test; Purity — Gradient RP-HPLC; pH — Potentiometry; Chloride — Argentometric titration; Residual solvents — HS-GC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Membrane filtration. |
| Storage Notes | Stored in a cool, dry place at room temperature in a tightly closed container, protected from light and moisture. |
| Lead Time | 10 days |
Used as a PDE5 inhibitor intermediate in the synthesis of oral agents for erectile dysfunction and pulmonary arterial hypertension treatment.