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.
Zafirlukast
Catalogue No.:PA 26 01000
CAS :
Molecular Formula : C31H33N3O6S
Molecular Weight : 575.68
Decyclopentyl Zafirlukast Methyl Ester
Catalogue No.:PA 26 01510
Molecular Formula : C27H27N3O6S
Molecular Weight : 521.58
Zafirlukast m-Tolyl Isomer
Catalogue No.:PA 26 01520
Zafirlukast p-Tolyl Isomer
Catalogue No.:PA 26 01530
Dicyclopentyl (3,3'-((2-methoxy-4-((o-tolylsulfonyl)carbamoyl)phenyl)methylene)bis(1-methyl-1H-indole-5,3-diyl))dicarbamate
Catalogue No.:PA 26 01540
Molecular Formula : C46H49N5O8S
Molecular Weight : 831.97
Cyclopentyl (2,3-bis(2-Methoxy-4-((o-tolylsulfonyl)carbamoyl)benzyl)-1-methyl-1H-indol-5-yl)carbamate
Catalogue No.:PA 26 01550
Molecular Formula : C47H48N4O10S2
Molecular Weight : 893.03
Decyclopentyl Zafirlukast-d3 Methyl Ester
Catalogue No.:PA STI 024800
Molecular Formula : C27H24D3N3O6S
Molecular Weight : 524.60
Zafirlukast-d7
Catalogue No.:PA STI 087570
Molecular Formula : C31H26D7N3O6S
Molecular Weight : 582.72
Zafirlukast m-Tolyl Isomer-d7
Catalogue No.:PA STI 087580
Zafirlukast p-Tolyl Isomer-d7
Catalogue No.:PA STI 087590
2-Chloro Zafirlukast
Catalogue No.:PA 26 01560
Molecular Formula : C31H32ClN3O6S
Molecular Weight : 610.12
Zafirlukast Impurity F
Catalogue No.:PA 26 01570
Molecular Formula : C49H49N5O8S
Molecular Weight : 868.01
Zafirlukast Impurity G
Catalogue No.:PA 26 01580
Molecular Formula : C37H48N4O5
Molecular Weight : 628.8
Methyl 4-[(5-Amino-1-methylindol-3-yl)methyl]-3-methoxybenzoate
Catalogue No.:PA 26 0011000
Molecular Formula : C19H20N2O3
Molecular Weight : 324.38
4-[[5-[[(Cyclopentyloxy)carbonyl]amino]-1-methyl-1H-indol-3-yl]methyl]-3-methoxy-benzoic acid methyl ester
Catalogue No.:PA 26 0011001
Molecular Formula : C25H28N2O5
Molecular Weight : 436.51
4-[[5-[[(Cyclopentyloxy)carbonyl]amino]-1-methyl-1H-indol-3-yl]methyl]-3-methoxybenzoic acid
Catalogue No.:PA 26 0011002
Molecular Formula : C24H26N2O5
Molecular Weight : 422.48
3-Methoxy-4-((1-methyl-5-nitro-1H-indol-3-yl)methyl)-N-(o-tolylsulfonyl)benzamide
Catalogue No.:PA 26 0011003
Molecular Formula : C25H23N3O6S
Molecular Weight : 493.53
Bisphenol A bis(2-hydroxypropyl) ether
Catalogue No.:PA 26 0011004
Molecular Formula : C21H28O4
Molecular Weight : 344.45
4-((5-Amino-1-methyl-1H-indol-3-yl)methyl)-3-methoxy-N-(o-tolylsulfonyl)benzamide
Catalogue No.:PA 26 0011005
Molecular Formula : C25H25N3O4S
Molecular Weight : 463.55
Zafirlukast Oxidative Dimer
Catalogue No.:PA 26 0011006
Molecular Formula : C62H64N6O12S2
Molecular Weight : 1149.34
2-Methoxyethyl (o-tolylsulfonyl)carbamate
Catalogue No.:PA 26 0011007
Molecular Formula : C11H15NO5S
Molecular Weight : 273.3
Methyl (1-methyl-1H-indol-5-yl)carbamate
Catalogue No.:PA 26 0011008
Molecular Formula : C11H12N2O2
Molecular Weight : 204.23
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