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Letrozole
C17H11N5 285.30
 Benzonitrile, 4,4′-(1H-1,2,4-triazol-1-ylmethylene)bis-;
 4,4′-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile [112809-51-5]

DEFINITION

Letrozole contains NLT 98.0% and NMT 102.0% of C17H11N5, calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Letrozole RS
USP Letrozole Related Compound A RS
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