Azelastine Hydrochloride

Azelastine Hydrochloride is a second-generation H1 antihistamine and mast-cell stabiliser formulated as a nasal spray or eye drop for allergic rhinitis and conjunctivitis. Simson Pharma's Azelastine Hydrochloride reference standard and impurities support stability-indicating testing for these topical-allergy products.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Azelastine Hydrochloride Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Azelastine Hydrochloride
Azelastine Hydrochloride
  • CAT. No.A150000
  • CAS. No.79307-93-0
  • Mol. F.C22H24ClN3O.HCl
  • Mol. W.418.36 g/mol
  • Stock Status:Instock
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Azelastine
Azelastine
  • CAT. No.A150000B
  • CAS. No.58581-89-8
  • Mol. F.C22H24ClN3O
  • Mol. W.381.90 g/mol
  • Stock Status:Instock
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Azelastine EP Impurity A
Azelastine EP Impurity A
  • CAT. No.A150001
  • CAS. No.613-94-5
  • Mol. F.C7H8N2O
  • Mol. W.136.15 g/mol
  • Stock Status:Instock
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Azelastine N-Oxide Impurity
Azelastine N-Oxide Impurity
  • CAT. No.A150002
  • CAS. No.640279-88-5
  • Mol. F.C22H24ClN3O2
  • Mol. W.397.90 g/ mol
  • Stock Status:Instock
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Azelastine EP Impurity C
Azelastine EP Impurity C
  • CAT. No.A150003
  • CAS. No.53242-76-5
  • Mol. F.C15H11ClO3
  • Mol. W.274.70 g/mol
  • Stock Status:Instock
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N`-(1-Methylazepan-4-yl)benzohydrazide Dihydrochloride
N`-(1-Methylazepan-4-yl)benzohydrazide Dihydrochloride
  • CAT. No.A150004
  • CAS. No.2731998-18-6
  • Mol. F.C14H23Cl2N3O
  • Mol. W.320.26 g/mol
  • Stock Status:Instock
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Azelastine RC E (USP)(Z/E Mixture)
Azelastine RC E (USP)(Z/E Mixture)
  • CAT. No.A150005
  • CAS. No.20526-97-0
  • Mol. F.C15H9ClO2
  • Mol. W.256.68 g/mol
  • Stock Status:Instock
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Azelastine EP Impurity D
Azelastine EP Impurity D
  • CAT. No.A150006
  • CAS. No.53242-88-9
  • Mol. F.C15H11ClN2O
  • Mol. W.270.71 g/mol
  • Stock Status:Instock
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Azelastine Impurity 5
Azelastine Impurity 5
  • CAT. No.A150007
  • CAS. No.19869-42-2
  • Mol. F.C7H14ClNO
  • Mol. W.163.65 g/mol
  • Stock Status:Instock
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4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone
4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone
  • CAT. No.A150009
  • CAS. No.NA
  • Mol. F.C22H24ClN3O
  • Mol. W.381.90 g/mol
  • Stock Status:Custom Synthesis
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Azelastine 3-Chloro-Isomer
Azelastine 3-Chloro-Isomer
  • CAT. No.A150010
  • CAS. No.37933-01-0
  • Mol. F.C22H24ClN3O
  • Mol. W.381.90 g/mol
  • Stock Status:Custom Synthesis
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(R)-Azelastine hydrochloride
(R)-Azelastine hydrochloride
  • CAT. No.A150011
  • CAS. No.153408-28-7
  • Mol. F.C22H25Cl2N3O
  • Mol. W.418.36 g/mol
  • Stock Status:Instock
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(S)-Azelastine Hydrochloride
(S)-Azelastine Hydrochloride
  • CAT. No.A150012
  • CAS. No.153408-27-6
  • Mol. F.C22H25Cl2N3O
  • Mol. W.418.36 g/mol
  • Stock Status:Instock
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Azelastine Impurity 2
Azelastine Impurity 2
  • CAT. No.A150014
  • CAS. No.2224-83-1
  • Mol. F.C14H8ClNO2
  • Mol. W.257.67 g/mol
  • Stock Status:Instock
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N-Desmethyl Azelastine Hydrochloride
N-Desmethyl Azelastine Hydrochloride
  • CAT. No.A150015
  • CAS. No.47491-38-3
  • Mol. F.C21H22ClN3O.HCl
  • Mol. W.404.33 g/mol
  • Stock Status:Instock
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Azelastine 3-chloro isomer hydrochloride
Azelastine 3-chloro isomer hydrochloride
  • CAT. No.A150016
  • CAS. No.NA
  • Mol. F.C22H25Cl2N3O
  • Mol. W.418.36 g/mol
  • Stock Status:Custom Synthesis
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Azelastine EP impurity B
Azelastine EP impurity B
  • CAT. No.A150017
  • CAS. No.110406-94-5
  • Mol. F.C14H21N3O
  • Mol. W.247.34 g/mol
  • Stock Status:Instock
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N-Nitroso Desmethyl Azelastine
N-Nitroso Desmethyl Azelastine
  • CAT. No.A150018
  • CAS. No.NA
  • Mol. F.C21H21ClN4O2
  • Mol. W.396.87 g/mol
  • Stock Status:Instock
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N-Nitroso Azelastine EP Impurity B
N-Nitroso Azelastine EP Impurity B
  • CAT. No.A150019
  • CAS. No.NA
  • Mol. F.C14H20N4O2
  • Mol. W.276.33 g/mol
  • Stock Status:Custom Synthesis
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Azelastine EP impurity B Hydrochloride
Azelastine EP impurity B Hydrochloride
  • CAT. No.A150020
  • CAS. No.117078-69-0
  • Mol. F.C14H21N3O.HCl
  • Mol. W.283.80 g/mol
  • Stock Status:Instock
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Azelastine 5-Member-Cyclic-Isomer Hydrochloride
Azelastine 5-Member-Cyclic-Isomer Hydrochloride
  • CAT. No.A150021
  • CAS. No.117078-70-3
  • Mol. F.C22H24ClN3O.HCl
  • Mol. W.418.36 g/mol
  • Stock Status:Custom Synthesis
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Azelastine Impurity 4
Azelastine Impurity 4
  • CAT. No.A150022
  • CAS. No.110406-95-6
  • Mol. F.C7H17N3
  • Mol. W.143.23 g/mol
  • Stock Status:Limited Stock
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Azelastine Impurity 1
Azelastine Impurity 1
  • CAT. No.A150023
  • CAS. No.NA
  • Mol. F.C25H25FN4O3
  • Mol. W.448.49 g/mol
  • Stock Status:Instock
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N-Desmethyl Azelastine
N-Desmethyl Azelastine
  • CAT. No.A150024
  • CAS. No.NA
  • Mol. F.C21H22ClN3O
  • Mol. W.367.90 g/mol
  • Stock Status:Instock
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Azelastine Impurity 3
Azelastine Impurity 3
  • CAT. No.A150025
  • CAS. No.47491-39-4
  • Mol. F.C22H25N3O
  • Mol. W.347.45 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Azelastine-D4 Hydrochloride
Azelastine-D4 Hydrochloride
  • CAT. No.A150013
  • CAS. No.1228258-95-4(Free base)
  • Mol. F.C22H21D4Cl2N3O
  • Mol. W.422.38 g/mol
  • Stock Status:Limited Stock
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