Zafirlukast is used to prevent asthma symptoms and to decrease the number of asthma attacks in people 5 and older. It is an orally administered leukotriene receptor antagonist. Reference standards of Zafirlukast API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Decyclopentyl Zafirlukast Methyl Ester [catalogue_number] => PA 26 01510 [category_ids] => ,71,75,100,81,78,70,82,88, [chemical_name] => [weight] => 521.58 [form] => C27H27N3O6S [cas] => 1159195-67-1 [pslug] => 1159195-67-1-decyclopentyl-zafirlukast-methyl-ester-pa2601510 [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 26 01510
CAS :
Molecular Formula : C27H27N3O6S
Molecular Weight : 521.58
stdClass Object ( [pname] => Zafirlukast m-Tolyl Isomer [catalogue_number] => PA 26 01520 [category_ids] => ,71,75,100,81,78,70,82,88, [chemical_name] => [weight] => 575.68 [form] => C31H33N3O6S [cas] => 1159195-69-3 [pslug] => 1159195-69-3-zafirlukast-m-tolyl-isomer-pa2601520 [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 26 01520
Molecular Formula : C31H33N3O6S
Molecular Weight : 575.68
stdClass Object ( [pname] => Zafirlukast p-Tolyl Isomer [catalogue_number] => PA 26 01530 [category_ids] => ,71,75,100,81,78,70,82,88, [chemical_name] => [weight] => 575.68 [form] => C31H33N3O6S [cas] => 1159195-70-6 [pslug] => 1159195-70-6-zafirlukast-p-tolyl-isomer-pa2601530 [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 26 01530
stdClass Object ( [pname] => Decyclopentyl Zafirlukast-d3 Methyl Ester [catalogue_number] => PA STI 024800 [category_ids] => ,71,75,100,81,78,70,82,88,98, [chemical_name] => [weight] => 524.60 [form] => C27H24D3N3O6S [cas] => 1795011-90-3 [pslug] => 1795011-90-3-decyclopentyl-zafirlukast-d3-methyl-ester-pasti024800 [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 024800
Molecular Formula : C27H24D3N3O6S
Molecular Weight : 524.60
stdClass Object ( [pname] => Zafirlukast m-Tolyl Isomer-d7 [catalogue_number] => PA STI 087580 [category_ids] => ,71,75,100,81,78,70,82,88,98, [chemical_name] => [weight] => 582.72 [form] => C31H26D7N3O6S [cas] => 1794760-52-3 [pslug] => 1794760-52-3-zafirlukast-m-tolyl-isomer-d7-pasti087580 [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 087580
Molecular Formula : C31H26D7N3O6S
Molecular Weight : 582.72
stdClass Object ( [pname] => Zafirlukast p-Tolyl Isomer-d7 [catalogue_number] => PA STI 087590 [category_ids] => ,71,75,100,81,78,70,82,88,98, [chemical_name] => [weight] => 582.72 [form] => C31H26D7N3O6S [cas] => 1794886-13-7 [pslug] => 1794886-13-7-zafirlukast-p-tolyl-isomer-d7-pasti087590 [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 087590
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