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Product Name: Letrozole Synonyms: Femara;Letrozol CAS No.: 112809-51-5 M.F.: C17H11N5 M.W.: 285.3 Assay: 99% Packing: 1kg/foil bag Melting Point: 181-183℃ Appearance: White or white crystalline powder Purpose: pharmaceutical intermediates, advanced breast cancer after menopause, multi-purpose at anti-estrogen treatment failure after second-line therapy .
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