Zafirlukast-impurities | Pharmaffiliates

zafirlukast

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.

PA 26 01510

Decyclopentyl Zafirlukast Methyl Ester


  • Catalogue No.:PA 26 01510

  • CAS :

    1159195-67-1

  • Molecular Formula : C27H27N3O6S

  • Molecular Weight : 521.58

PA 26 01520

Zafirlukast m-Tolyl Isomer


  • Catalogue No.:PA 26 01520

  • CAS :

    1159195-69-3

  • Molecular Formula : C31H33N3O6S

  • Molecular Weight : 575.68

PA 26 01530

Zafirlukast p-Tolyl Isomer


  • Catalogue No.:PA 26 01530

  • CAS :

    1159195-70-6

  • Molecular Formula : C31H33N3O6S

  • Molecular Weight : 575.68

PA STI 024800

Decyclopentyl Zafirlukast-d3 Methyl Ester


  • Catalogue No.:PA STI 024800

  • CAS :

    NA

  • Molecular Formula : C27H24D3N3O6S

  • Molecular Weight : 524.60

PA STI 087580

Zafirlukast m-Tolyl Isomer-d7


  • Catalogue No.:PA STI 087580

  • CAS :

    1794760-52-3

  • Molecular Formula : C31H26D7N3O6S

  • Molecular Weight : 582.72

PA STI 087590

Zafirlukast p-Tolyl Isomer-d7


  • Catalogue No.:PA STI 087590

  • CAS :

    1794886-13-7

  • Molecular Formula : C31H26D7N3O6S

  • Molecular Weight : 582.72