Letrozole
PRODUCT NAME: Letrozole
SYNONYMS: 4,4’-(1H-1,2,4-Triazol-1-ylmethylene) ; bisbenzonitrile
MOLECULAR STRUCTURE:
CHEMICAL FORMULA: C17H11N5
MOLECULAR WEIGHT: 285.31
CAS NO.: 112809-51-5
STANDARD: USP27
MAIN INDEX:
| Aspect |
White or almost white crystalline powder |
| Solubility |
Easily soluble in dichloromethane, sparingly soluble in ethanol, practically insoluble in water |
| Related substances |
Individual impurity |
No more than 0.1% |
| Total impurity |
No more than 0.3% |
| Dichloromethane |
No more than 0.06% |
| Water |
No more than 0.3% |
| Assay |
No less than 98.0% |
MAIN USE: Anti-tumour,and treatment of breast cancer.
PACKING SPECIFICATION: Aluminum tin
STORAGE: Sealed and keeped in dry place at the room temperature
SHELF LIFE: Two years
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