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Letrozole
Quality standard
| CAS | 112809-51-5 |
|---|---|
| Molecular Weight | 285.30 |
| Molecular Formula | C17H11N5 |
| Appearance | white or nearly white crystalline powder |
| Storage | Store in tight, light-resistant containers |
| Standard | USP |
| Assay | 98.0%~102.0% |
| Residue on Ignition | ≤0.1％ |
| Loss on Drying | ≤0.3％ |