Cefpodoxime Proxetil
CAS: 87239-81-4
Category: Antibiotics
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5% |
| Molecular Formula | C21H27N5O9S2 |
| Molecular Weight | 557.6 |
| Appearance | white to pale yellow crystalline powder |
| Packaging | 25 kg/fiber drum, 5 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, HPLC; Purity — Gradient RP-HPLC; Potency — Microbiological assay; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Pour plate; Proxetil ester — GC; Delta-3 isomer — HPLC. |
| Storage Notes | Stored in a cool, dry, and well-ventilated place at 2-8°C in a tightly closed container, protected from light and moisture. |
| Lead Time | days |
Used as a third-generation cephalosporin prodrug intermediate in the synthesis of oral broad-spectrum antibiotics for respiratory and urinary tract infections.