Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. It is sold under the brand name Femara. Reference standards of Letrozole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => 4-Descyano-4-bromo-letrozole [catalogue_number] => PA 12 53520 [category_ids] => ,80,79,71, [chemical_name] => [weight] => 339.19 [form] => C16H11BrN4 [cas] => 143030-54-0 [pslug] => 143030-54-0-4-descyano-4-bromo-letrozole-pa1253520 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 53520
CAS :
Molecular Formula : C16H11BrN4
Molecular Weight : 339.19
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