Azelastine Hydrochloride-Impurities | Pharmaffiliates

azelastine hydrochloride

Azelastine is also available in combination with fluticasone propionate as a nasal spray marketed under the trade name Dymista™, which is indicated for the symptomatic treatment of seasonal allergic rhinitis in patients 6 years of age and older.13. Reference standards of Azelastine Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

PA 01 0981000

(R)-Azelastine hydrochloride


  • Catalogue No.:PA 01 0981000

  • CAS :

    153408-28-7

  • Molecular Formula : C22H25Cl2N3O

  • Molecular Weight : 418.36

PA 01 0981001

(S)-Azelastine hydrochloride


  • Catalogue No.:PA 01 0981001

  • CAS :

    153408-27-6

  • Molecular Formula : C22H25Cl2N3O

  • Molecular Weight : 418.36

PA 01 0980021

Azelastine Hydrochloride - Impurity B (DiHydrochloride)


  • Catalogue No.:PA 01 0980021

  • CAS :

    NA

  • Molecular Formula : C14H23Cl2N3O

  • Molecular Weight : 320.26

PA 01 0980020

Azelastine Hydrochloride - Impurity B (Free base)


  • Catalogue No.:PA 01 0980020

  • CAS :

    110406-94-5

  • Molecular Formula : C14H21N3O

  • Molecular Weight : 247.34