Phenytoin
CAS: 57-41-0
Category: Hydantoin
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5% |
| Molecular Formula | C15H12N2O2 |
| Molecular Weight | 252.27 |
| Appearance | white crystalline powder |
| Packaging | 25 kg/fiber drum, 1 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, UV; Purity — HPLC; pH — Potentiometry; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Plating; Hydantoin impurities — TLC; Residue on ignition — Muffle furnace. |
| Storage Notes | Stored in a cool, dry place at 15-30°C in a tightly closed container, away from light, moisture, and acidic conditions. |
| Lead Time | 10 days |
Used as an anticonvulsant intermediate in the synthesis of oral and injectable formulations for tonic-clonic seizures and status epilepticus.