Azelastine Related Products

Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.

(R)-Azelastine HCl

CAT No: VS-A107006
CAS No: 153408-28-7
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Status: Custom Synthesis

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

CAT No: VS-A107012
CAS No: 1346617-18-2
Mol.F.: C22H24ClN3O2 
Mol.Wt.: 397.9
Status: Custom Synthesis

(S)-Azelastine HCl

CAT No: VS-A107007
CAS No: 153408-27-6
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Status: Custom Synthesis

(S)-Azelastine N-Oxide

CAT No: VS-A107013
CAS No: 1346617-06-8
Mol.F.: C22H24ClN3O2 
Mol.Wt.: 397.9
Status: Custom Synthesis

1-Chlorophthalazine 

CAT No: VS-A107017
CAS No: 5784-45-2
Mol.F.: C8H5ClN2
Mol.Wt.: 164.6
Status: Custom Synthesis

1-Phthalazinone

CAT No: VS-A107016
CAS No: 119-39-1
Mol.F.: C8H6N2O
Mol.Wt.: 146.1
Status: Custom Synthesis

Azelastine 2-Chloro Isomer

CAT No: VS-A107026
CAS No: 752922-66-0
Mol.F.: C22H24ClN3O
Mol.Wt.: 381.9
Status: In Stock

Azelastine 3-Chloro-Isomer

CAT No: VS-A107025
CAS No: 37933-01-0
Mol.F.: C22H24ClN3O
Mol.Wt.: 381.9
Status: In Stock

Azelastine 3-Chloro-Isomer HCl

CAT No: VS-A107019
CAS No: N/A
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Status: In Stock

Azelastine 3-Chloro-Isomer HCl

CAT No: VS-A107010
CAS No: N/A
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Status: Custom Synthesis

Azelastine 5-Member-Cyclic-Isomer HCl

CAT No: VS-A107009
CAS No: 117078-70-3
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Status: Custom Synthesis

Azelastine EP Impurity A

CAT No: VS-A107001
CAS No: 613-94-5
Mol.F.: C7H8N2O
Mol.Wt.: 136.15
Status: Custom Synthesis

Azelastine EP Impurity B

CAT No: VS-A107023
CAS No: 110406-94-5
Mol.F.: C14H21N3O
Mol.Wt.: 247.34
Status: Custom Synthesis

Azelastine EP Impurity B (HCl)

CAT No: VS-A107002
CAS No: 117078-69-0
Mol.F.: C14H21N3O : HCl
Mol.Wt.: 247.3 : 36.5
Status: Custom Synthesis

Azelastine EP Impurity C

CAT No: VS-A107003
CAS No: 53242-76-5
Mol.F.: C15H11ClO3
Mol.Wt.: 274.7
Status: Custom Synthesis

Azelastine EP Impurity D

CAT No: VS-A107004
CAS No: 53242-88-9
Mol.F.: C15H11ClN2O
Mol.Wt.: 270.7
Status: In Stock

Azelastine EP Impurity E

CAT No: VS-A107005
CAS No: 20526-97-0
Mol.F.: C15H9ClO2
Mol.Wt.: 256.7
Status: Custom Synthesis

Azelastine EP Impurity E (Z-Isomer)

CAT No: VS-A107028
CAS No: 105279-16-1
Mol.F.: C15H9ClO2
Mol.Wt.: 256.68
Status: In Stock

Azelastine Hydrochloride

CAT No: VS-A107000
CAS No: 79307-93-0
Mol.F.: C22H24ClN3O : HCl
Mol.Wt.: 381.9 : 36.5
Status: Custom Synthesis

Azelastine Impurity 1 HCl

CAT No: VS-A107020
CAS No: N/A
Mol.F.: C22H24ClN3O : HCl 
Mol.Wt.: 381.9 : 36 .5
Status: Custom Synthesis

Azelastine Impurity 2 HCl

CAT No: VS-A107021
CAS No: N/A
Mol.F.: C23H24ClN3O : HCl
Mol.Wt.: 393.9 : 36 .5
Status: Custom Synthesis

Azelastine Impurity 3 HCl

CAT No: VS-A107022
CAS No: N/A
Mol.F.: C23H24ClN3O : HCl 
Mol.Wt.: 393.9 : 36 .5
Status: Custom Synthesis

Azelastine Impurity 4

CAT No: VS-A107027
CAS No: 174826-63-2
Mol.F.: C9H17N3O
Mol.Wt.: 183.3
Status: In Stock

Azelastine Impurity D

CAT No: VS-A107024
CAS No: 53242-89-9
Mol.F.: C15H11ClN2O
Mol.Wt.: 270.71
Status: Custom Synthesis

Azelastine Intermediate

CAT No: VS-A107014
CAS No: 19869-42-2
Mol.F.: C7H13NO : HCl
Mol.Wt.: 127.2 : 36.5
Status: Custom Synthesis

Azelastine N-Oxide

CAT No: VS-A107011
CAS No: 640279-88-5
Mol.F.: C22H24ClN3O2 
Mol.Wt.: 397.9
Status: Custom Synthesis

N-Desmethyl Azelastine

CAT No: VS-A107008
CAS No: 47491-38-3
Mol.F.: C21H22ClN3O 
Mol.Wt.: 367.9
Status: Custom Synthesis

N-Methyl-4-aminobutyric acid

CAT No: VS-A107018
CAS No: 1119-48-8
Mol.F.: C5H11NO2
Mol.Wt.: 117.1
Status: Custom Synthesis

Phthalazine

CAT No: VS-A107015
CAS No: 253-52-1
Mol.F.: C8H6N2
Mol.Wt.: 130.2
Status: Custom Synthesis