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] => Zafirlukast - API Standards [catalogue_number] => PA 26 01000 [category_ids] => ,71,81,78,70,82,88, [chemical_name] => [weight] => 575.68 [form] => C31H33N3O6S [cas] => 107753-78-6 [pslug] => 107753-78-6-zafirlukast-api-pa2601000 [latest_product] => 0 [linkproducts] => 1 [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 01000
CAS :
Molecular Formula : C31H33N3O6S
Molecular Weight : 575.68
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
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
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] => Cyclopentyl (2,3-bis(2-Methoxy-4-((o-tolylsulfonyl)carbamoyl)benzyl)-1-methyl-1H-indol-5-yl)carbamate [catalogue_number] => PA 26 01550 [category_ids] => ,79,80,71,81,76,75,78,70,82,88, [chemical_name] => [weight] => 893.03 [form] => C47H48N4O10S2 [cas] => 1160235-26-6 [pslug] => 1160235-26-6-cyclopentyl-2-3-bis-2-methoxy-4-o-tolylsulfonyl-carbamoyl-benzyl-1-methyl-1h-indol-5-yl-carbamate-pa2601550 [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 01550
Molecular Formula : C47H48N4O10S2
Molecular Weight : 893.03
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-d7 [catalogue_number] => PA STI 087570 [category_ids] => ,71,81,78,70,82,88,98, [chemical_name] => [weight] => 582.72 [form] => C31H26D7N3O6S [cas] => 1217174-18-9 [pslug] => 1217174-18-9-zafirlukast-d7-pasti087570 [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 087570
Molecular Formula : C31H26D7N3O6S
Molecular Weight : 582.72
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
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
stdClass Object ( [pname] => 4-[[5-[[(Cyclopentyloxy)carbonyl]amino]-1-methyl-1H-indol-3-yl]methyl]-3-methoxy-benzoic acid methyl ester [catalogue_number] => PA 26 0011001 [category_ids] => ,123,81,75,76,78,70,82, [chemical_name] => [weight] => 436.51 [form] => C25H28N2O5 [cas] => 107754-19-8 [pslug] => 107754-19-8-4-5-cyclopentyloxy-carbonyl-amino-1-methyl-1h-indol-3-yl-methyl-3-methoxy-benzoic-acid-methyl-ester-pa260011001 [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 0011001
Molecular Formula : C25H28N2O5
Molecular Weight : 436.51
stdClass Object ( [pname] => Methyl (1-methyl-1H-indol-5-yl)carbamate [catalogue_number] => PA 26 0011008 [category_ids] => ,81,123,78,70,82, [chemical_name] => [weight] => 204.23 [form] => C11H12N2O2 [cas] => 1795185-03-3 [pslug] => 1795185-03-3-methyl-1-methyl-1h-indol-5-yl-carbamate-pa260011008 [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 0011008
Molecular Formula : C11H12N2O2
Molecular Weight : 204.23
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