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.
Azelastine Hydrochloride
Catalogue No.:PA 01 98000
CAS :
Molecular Formula : C22H25Cl2N3O
Molecular Weight : 418.36
Azelastine Related Compound B (N'-(1-methylazepan-4-yl)benzohydrazide hydrochloride) (1046170)
Catalogue No.:PA USP1046170
Molecular Formula : NA
Molecular Weight : NA
Azelastine Related Compound D (4-(4-chlorobenzyl)phthalazin-1(2H)-one) (1046191)
Catalogue No.:PA USP1046191
Azelastine Hydrochloride (1046158)
Catalogue No.:PA USP1046158
Azelastine hydrochloride (Y0000326)
Catalogue No.:PA EPY0000326
Azelastine impurity B (Y0000327)
Catalogue No.:PA EPY0000327
Azelastine impurity D (Y0000328)
Catalogue No.:PA EPY0000328
Azelastine impurity E (Y0000329)
Catalogue No.:PA EPY0000329
Azelastine Related Compound E (3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one) (1046202)
Catalogue No.:PA USP1046202
(R)-Azelastine hydrochloride
Catalogue No.:PA 01 0981000
(S)-Azelastine hydrochloride
Catalogue No.:PA 01 0981001
1-Benzoyl-2-[(4RS)-1-methylhexahydro-1H-azepin-4-yl]diazane Dihydrochloride
Catalogue No.:PA 01 0980021
Molecular Formula : C14H23Cl2N3O
Molecular Weight : 320.26
N'-[(4RS)-1-Methylhexahydro-1H-azepin-4-yl]benzohydrazide
Catalogue No.:PA 01 0980020
Molecular Formula : C14H21N3O
Molecular Weight : 247.34
N-Nitroso Desmethyl Azelastine
Catalogue No.:PA 01 0981002
Molecular Formula : C21H21ClN4O2
Molecular Weight : 396.88
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