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] => Letrozole - API Standards [catalogue_number] => PA 12 53000 [category_ids] => ,80,81,71,78,70,82, [chemical_name] => [weight] => 285.30 [form] => C17H11N5 [cas] => 112809-51-5 [pslug] => 112809-51-5-letrozole-api-pa1253000 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 38028 [offers_product_code] => PA 12 53000 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 12 53000
CAS :
Molecular Formula : C17H11N5
Molecular Weight : 285.30
stdClass Object ( [pname] => Letrozole-d4 (major) [catalogue_number] => PA STI 056360 [category_ids] => ,81,98,78,70,82, [chemical_name] => [weight] => 289.33 [form] => C17H7D4N5 [cas] => 1133712-96-5 [pslug] => 1133712-96-5-letrozole-d4-major-pasti056360 [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 STI 056360
Molecular Formula : C17H7D4N5
Molecular Weight : 289.33
stdClass Object ( [pname] => 4-(4-Cyanobenzyl)-1,2,4-triazole [catalogue_number] => PA 12 0531000 [category_ids] => ,123,81,78,75,76,82, [chemical_name] => [weight] => 184.2 [form] => C10H8N4 [cas] => 112809-27-5 [pslug] => 112809-27-5-4-4-cyanobenzyl-1-2-4-triazole-pa120531000 [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 0531000
Molecular Formula : C10H8N4
Molecular Weight : 184.2
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