Active ingredientAzelastineCat. No. P-A235-001CAS 58581-89-8Family · Pharmaceutical analytical standards
Azelastine
A second-generation H1 antihistamine with a phthalazinone structure, patented in 1971 and in medical use since 1986; it is used as a nasal spray and eye drops for allergic rhinitis and conjunctivitis. This family brings together the active ingredient, pharmacopoeial impurities, labelled standards, nitrosamines, other impurities and synthesis intermediates.
Did you know?It is described as having a triple mode of action: besides blocking histamine H1 receptors, it stabilises mast cells and has an anti-inflammatory effect.
Go to the active ingredient →Active ingredientAzelastineCat. No. P-A235-001CAS 58581-89-8
Active ingredientAzelastine HydrochlorideCat. No. P-A235-002CAS 79307-93-0
Pharmacopoeial impurityAzelastine EP Impurity BCat. No. P-A235-003CAS 110406-94-5
Pharmacopoeial impurityAzelastine EP Impurity ACat. No. P-A235-004CAS 613-94-5
Pharmacopoeial impurityAzelastine EP Impurity B DihydrochlorideCat. No. P-A235-006CAS 2731998-18-6
Pharmacopoeial impurityAzelastine EP Impurity CCat. No. P-A235-008CAS 53242-76-5
Pharmacopoeial impurityAzelastine EP Impurity DCat. No. P-A235-009CAS 53242-88-9
Pharmacopoeial impurityAzelastine EP Impurity E (Z-Isomer)Cat. No. P-A235-010CAS 105279-16-1
Pharmacopoeial impurityAzelastine EP Impurity ECat. No. P-A235-011CAS 20526-97-0
Pharmacopoeial impurity(R)-Azelastine USP Related Compound F (Mixture of Diastereomers)Cat. No. P-A235-012CAS 1346617-18-2
Pharmacopoeial impurityAzelastine USP Related Compound F (Mixture of Diastereomers)Cat. No. P-A235-013CAS 640279-88-5
Isotopically labelledAzelastine-13C-d3 HClCat. No. P-A235-015
Isotopically labelledAzelastine-d4 HydrochlorideCat. No. P-A235-016CAS 2747915-85-9
Isotopically labelledN-Desmethyl Azelastine-d4Cat. No. P-A235-017
Isotopically labelledN-Desmethyl Azelastine-d4 HClCat. No. P-A235-018
NitrosamineN-Nitroso Azelastine EP Impurity ACat. No. P-A235-019
NitrosamineN-Nitroso Azelastine EP Impurity BCat. No. P-A235-020
NitrosamineN-Nitroso Azelastine Impurity 1 HydrochlorideCat. No. P-A235-021
NitrosamineN-Nitroso N-Desmethyl AzelastineCat. No. P-A235-022
Impurity(R)-Azelastine HClCat. No. P-A235-023CAS 153408-28-7
Impurity(S)-Azelastine HClCat. No. P-A235-024CAS 153408-27-6
Impurity(S)-Azelastine N-OxideCat. No. P-A235-025CAS 1346617-06-8
ImpurityAzelastine Impurity 1Cat. No. P-A235-026CAS 791758-74-2
Impurity4-(Methylamino)butyric acid hydrochlorideCat. No. P-A235-027CAS 6976-17-6
Impurity4-Chlorophenylacetic AcidCat. No. P-A235-028CAS 1878-66-6
ImpurityAzelastine 5-Member-Cyclic-Isomer HClCat. No. P-A235-029CAS 117078-70-3
ImpurityAzelastine Impurity 4 HClCat. No. P-A235-030
ImpurityAzelastine Impurity 2 HydrochlorideCat. No. P-A235-031
ImpurityAzelastine Impurity 3Cat. No. P-A235-032
ImpurityAzelastine Impurity 4Cat. No. P-A235-033
ImpurityAzelastine Impurity 5Cat. No. P-A235-034
ImpurityAzelastine Impurity 6Cat. No. P-A235-035
ImpurityAzelastine Impurity 7 HydrochlorideCat. No. P-A235-036
ImpurityAzelastine Impurity 8 HydrochlorideCat. No. P-A235-037
ImpurityAzelastine Impurity 9 HydrochlorideCat. No. P-A235-038
ImpurityAzelastine Impurity 10 HydrochlorideCat. No. P-A235-039
ImpurityAzelastine Impurity 11 HydrochlorideCat. No. P-A235-040
ImpurityAzelastine Impurity 12 DihydrochlorideCat. No. P-A235-041CAS 169123-29-9
ImpurityAzelastine N-Oxide HCl (Mixture of Diastereomers)Cat. No. P-A235-042
ImpurityAzepan-4-one hydrochlorideCat. No. P-A235-043CAS 50492-22-3
ImpurityAzelastine Impurity 13Cat. No. P-A235-044CAS 1239312-56-1
ImpurityMethyl 4-(methylamino)butanoate hydrochlorideCat. No. P-A235-045CAS 89584-24-7
ImpurityAzelastine Impurity 14Cat. No. P-A235-046CAS 174826-63-2
ImpurityN-Desmethyl AzelastineCat. No. P-A235-047CAS 47491-38-3
ImpurityN-Desmethyl Azelastine HClCat. No. P-A235-048CAS 79342-58-8
IntermediateAzelastine Intermediate HydrochlorideCat. No. P-A235-049CAS 19869-42-2No product matches your search.
EDQM standards 4
The official European Pharmacopoeia standards for this family.
Reference substanceAzelastine hydrochloride CRSEDQM code Y0000326Family AzelastineImpurityAzelastine impurity B CRSEDQM code Y0000327Family AzelastineImpurityAzelastine impurity D CRSEDQM code Y0000328Family AzelastineImpurityAzelastine impurity E CRSEDQM code Y0000329Family AzelastineNeed a molecule you cannot find?
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