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Azelastine Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Azelastine, pharmacopeial and non-pharmacopeial Azelastine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Azelastine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Azelastine-related products are thoroughly characterized. Azelastine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

1-Chlorophthalazine 

Picture of 1-Chlorophthalazine 
SZ CAT No:: SZ-A043021
CAS No: 5784-45-2
Mol.F.: C8H5ClN2
Mol.Wt.: 164.6
Inv. Status: In Stock

1-Phthalazinone

Picture of 1-Phthalazinone
SZ CAT No:: SZ-A043020
CAS No: 119-39-1
Mol.F.: C8H6N2O
Mol.Wt.: 146.1
Inv. Status: In Stock

Azelastine 5-Member-Cyclic-Isomer HCl

Picture of Azelastine 5-Member-Cyclic-Isomer HCl
SZ CAT No:: SZ-A043010
CAS No: 117078-70-3
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Inv. Status: In Stock

Azelastine EP Impurity A

Picture of Azelastine EP Impurity A
SZ CAT No:: SZ-A043002
CAS No: 613-94-5
Mol.F.: C7H8N2O
Mol.Wt.: 136.2
Inv. Status: In Stock

Azelastine EP Impurity B

Picture of Azelastine EP Impurity B
SZ CAT No:: SZ-A043003
CAS No: 117078-69-0
Mol.F.: C14H21N3O : HCl
Mol.Wt.: 247.3 : 36.5
Inv. Status: In Stock

Azelastine EP Impurity C

Picture of Azelastine EP Impurity C
SZ CAT No:: SZ-A043004
CAS No: 53242-76-5
Mol.F.: C15H11ClO3
Mol.Wt.: 274.7
Inv. Status: In Stock

Azelastine EP Impurity D

Picture of Azelastine EP Impurity D
SZ CAT No:: SZ-A043005
CAS No: 53242-88-9
Mol.F.: C15H11ClN2O
Mol.Wt.: 270.7
Inv. Status: In Stock

Azelastine EP Impurity E

Picture of Azelastine EP Impurity E
SZ CAT No:: SZ-A043006
CAS No: 20526-97-0
Mol.F.: C15H9ClO2
Mol.Wt.: 256.7
Inv. Status: In Stock

Azelastine Hydrochloride

Picture of Azelastine Hydrochloride
SZ CAT No:: SZ-A043001
CAS No: 79307-93-0
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Inv. Status: In Stock

Azelastine Intermediate

Picture of Azelastine Intermediate
SZ CAT No:: SZ-A043018
CAS No: 19869-42-2
Mol.F.: C7H13NO : HCl
Mol.Wt.: 127.2 : 36.5
Inv. Status: In Stock

Azelastine USP Related Compound F

Picture of Azelastine USP Related Compound F
SZ CAT No:: SZ-A043012
CAS No: 640279-88-5
Mol.F.: C22H24ClN3O2 
Mol.Wt.: 397.9
Inv. Status: In Stock

N-Methyl-4-aminobutyric acid

Picture of N-Methyl-4-aminobutyric acid
SZ CAT No:: SZ-A043022
CAS No: 1119-48-8
Mol.F.: C5H11NO2
Mol.Wt.: 117.1
Inv. Status: In Stock

Phthalazine

Picture of Phthalazine
SZ CAT No:: SZ-A043019
CAS No: 253-52-1
Mol.F.: C8H6N2
Mol.Wt.: 130.2
Inv. Status: In Stock

Azelastine 3-Chloro-Isomer HCl

Picture of Azelastine 3-Chloro-Isomer HCl
SZ CAT No:: SZ-A043011
CAS No: NA
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Inv. Status: Out of Stock

Azelastine Impurity 4

Picture of Azelastine Impurity 4
SZ CAT No:: SZ-A043028
CAS No: 110406-95-6
Mol.F.: C7H17N3
Mol.Wt.: 143.2
Inv. Status: Custom Synthesis

(R)-Azelastine HCl

Picture of (R)-Azelastine HCl
SZ CAT No:: SZ-A043007
CAS No: 153408-28-7
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Inv. Status: Custom Synthesis

(R)-Azelastine N-Oxide (Mixture of Diastereomers)

Picture of (R)-Azelastine N-Oxide (Mixture of Diastereomers)
SZ CAT No:: SZ-A043013
CAS No: 1346617-18-2
Mol.F.: C22H24ClN3O2 
Mol.Wt.: 397.9
Inv. Status: Custom Synthesis

(S)-Azelastine HCl

Picture of (S)-Azelastine HCl
SZ CAT No:: SZ-A043008
CAS No: 153408-27-6
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Inv. Status: Custom Synthesis

(S)-Azelastine N-Oxide

Picture of (S)-Azelastine N-Oxide
SZ CAT No:: SZ-A043014
CAS No: 1346617-06-8
Mol.F.: C22H24ClN3O2 
Mol.Wt.: 397.9
Inv. Status: Custom Synthesis

Azelastine Impurity 1 HCl

Picture of Azelastine Impurity 1 HCl
SZ CAT No:: SZ-A043015
CAS No: NA
Mol.F.: C22H24ClN3O : HCl 
Mol.Wt.: 381.9 : 36 .5
Inv. Status: Custom Synthesis

Azelastine Impurity 2 HCl

Picture of Azelastine Impurity 2 HCl
SZ CAT No:: SZ-A043016
CAS No: NA
Mol.F.: C23H24ClN3O : HCl
Mol.Wt.: 393.9 : 36 .5
Inv. Status: Custom Synthesis

Azelastine Impurity 3 HCl

Picture of Azelastine Impurity 3 HCl
SZ CAT No:: SZ-A043017
CAS No: NA
Mol.F.: C23H24ClN3O : HCl 
Mol.Wt.: 393.9 : 36 .5
Inv. Status: Custom Synthesis

Azelastine Impurity 4

Picture of Azelastine Impurity 4
SZ CAT No:: SZ-A043025
CAS No: 174826-63-2
Mol.F.: C9H17N3O
Mol.Wt.: 183.3
Inv. Status: Custom Synthesis

N-Desmethyl Azelastine

Picture of N-Desmethyl Azelastine
SZ CAT No:: SZ-A043009
CAS No: 47491-38-3
Mol.F.: C21H22ClN3O 
Mol.Wt.: 367.9
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Azelastine D4 Hydrochloride

Picture of Azelastine D4 Hydrochloride
SZ CAT No:: SZ-A043D02
CAS No: NA
Mol.F.: C22H20D4ClN3O : HCl
Mol.Wt.: 385.9 : 36.5
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Azelastine EP Impurity B

Picture of N-Nitroso Azelastine EP Impurity B
SZ CAT No:: SZ-A043027
CAS No: NA
Mol.F.: C14H20N4O2
Mol.Wt.: 276.3
Inv. Status: In Stock

N-Nitroso Desmethyl Azelastine

Picture of N-Nitroso Desmethyl Azelastine
SZ CAT No:: SZ-A043024
CAS No: NA
Mol.F.: C21H21ClN4O2
Mol.Wt.: 396.9
Inv. Status: In Stock

Azelastine Nitroso Impurity 1

Picture of Azelastine Nitroso Impurity 1
SZ CAT No:: SZ-A043029
CAS No: NA
Mol.F.: C13H18N4O2
Mol.Wt.: 262.3
Inv. Status: Custom Synthesis

N-Nitroso Azelastine EP Impurity A

Picture of N-Nitroso Azelastine EP Impurity A
SZ CAT No:: SZ-A043026
CAS No: NA
Mol.F.: C7H7N3O2
Mol.Wt.: 165.2
Inv. Status: Inquire
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