Letrozole-impurities | Pharmaffiliates

letrozole

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] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 2778
    [offers_product_code] => PA 12 53000
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 12 53000

Letrozole - API Standards


  • Catalogue No.:PA 12 53000

  • CAS :

    112809-51-5

  • Molecular Formula : C17H11N5

  • Molecular Weight : 285.30

20% OFF
stdClass Object
(
    [pname] => Letrozole - Impurity A
    [catalogue_number] => PA 12 53010
    [category_ids] => ,80,75,71,78,70,82,
    [chemical_name] => 
    [weight] => 285.30
    [form] => C17H11N5
    [cas] => 112809-52-6
    [pslug] => 112809-52-6-letrozole-impurity-a-pa1253010
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 2779
    [offers_product_code] => PA 12 53010
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 12 53010

Letrozole - Impurity A


  • Catalogue No.:PA 12 53010

  • CAS :

    112809-52-6

  • Molecular Formula : C17H11N5

  • Molecular Weight : 285.30

20% OFF
stdClass Object
(
    [pname] => Letrozole - Impurity B
    [catalogue_number] => PA 12 53020
    [category_ids] => ,80,75,71,78,70,82,
    [chemical_name] => 
    [weight] => 319.36
    [form] => C22H13N3
    [cas] => 113402-31-6
    [pslug] => 113402-31-6-letrozole-impurity-b-pa1253020
    [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] => 
)
PA 12 53020

Letrozole - Impurity B


  • Catalogue No.:PA 12 53020

  • CAS :

    113402-31-6

  • Molecular Formula : C22H13N3

  • Molecular Weight : 319.36

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] => 
)
PA 12 53520

4-Descyano-4-bromo-letrozole


  • Catalogue No.:PA 12 53520

  • CAS :

    143030-54-0

  • Molecular Formula : C16H11BrN4

  • Molecular Weight : 339.19

stdClass Object
(
    [pname] => 4-((2H-1,2,3-Triazol-2-yl)methyl)benzonitrile
    [catalogue_number] => PA 12 53530
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 184.2
    [form] => C10H8N4
    [cas] => 112809-25-3
    [pslug] => 112809-25-3-4-2h-1-2-3-triazol-2-yl-methyl-benzonitrile-pa1253530
    [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] => 
)
PA 12 53530

4-((2H-1,2,3-Triazol-2-yl)methyl)benzonitrile


  • Catalogue No.:PA 12 53530

  • CAS :

    112809-25-3

  • Molecular Formula : C10H8N4

  • Molecular Weight : 184.2