Azithromycin 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.

3’-N-Demethyl-3’-N- (phenylsulfonyl) azithromycin

CAT No: VS-A111021
CAS No: N/A
Mol.F.: C43H74N2O14S 
Mol.Wt.: 875.1
Status: Custom Synthesis

3-Hydroxy Azithromycinoic Acid Sodium Salt 

CAT No: VS-A111019
CAS No: N/A
Mol.F.: C30H59N2O10 : Na
Mol.Wt.: 607.81 : 23.0
Status: Custom Synthesis

Azaerythromycin A 11,12-hydrogen borate

CAT No: VS-A111020
CAS No: 194809-66-0
Mol.F.: C37H69BN2O13
Mol.Wt.: 760.8
Status: Custom Synthesis

Azithromycin

CAT No: VS-A111029
CAS No: 83905-01-5
Mol.F.: C38H72N2O12
Mol.Wt.: 749.02
Status: Custom Synthesis

Azithromycin Dihydrate

CAT No: VS-A111000
CAS No: 117772-70-0
Mol.F.: C38H72N2O12 : 2(H2O)
Mol.Wt.: 749 : 2(18.02)
Status: In Stock

Azithromycin EP Impurity A 

CAT No: VS-A111001
CAS No: 76801-85-9
Mol.F.: C37H70N2O12 
Mol.Wt.: 735.0 
Status: In Stock

Azithromycin EP Impurity B

CAT No: VS-A111002
CAS No: 307974-61-4
Mol.F.: C38H72N2O11 
Mol.Wt.: 733.0 
Status: Limited Stock

Azithromycin EP Impurity C

CAT No: VS-A111003
CAS No: 620169-47-3
Mol.F.: C37H70N2O12 
Mol.Wt.: 735.0 
Status: In Stock

Azithromycin EP Impurity D

CAT No: VS-A111004
CAS No: 612069-26-8
Mol.F.: C38H72N2O13 
Mol.Wt.: 765.0 
Status: In Stock

Azithromycin EP Impurity E

CAT No: VS-A111005
CAS No: 612069-27-9
Mol.F.: C36H68N2O12 
Mol.Wt.: 720.9 
Status: In Stock

Azithromycin EP Impurity F

CAT No: VS-A111006
CAS No: 612069-28-0
Mol.F.: C38H70N2O13
Mol.Wt.: 763.0 
Status: Out of Stock

Azithromycin EP Impurity G

CAT No: VS-A111007
CAS No: 612069-31-5
Mol.F.: C44H76N2O14S 
Mol.Wt.: 889.1 
Status: In Stock

Azithromycin EP Impurity H

CAT No: VS-A111008
CAS No: 612069-30-4
Mol.F.: C45H77N3O15S 
Mol.Wt.: 932.2 
Status: In Stock

Azithromycin EP Impurity I

CAT No: VS-A111009
CAS No: 172617-84-4
Mol.F.: C37H70N2O12
Mol.Wt.: 734.98
Status: In Stock

Azithromycin EP Impurity J

CAT No: VS-A111010
CAS No: 117693-41-1
Mol.F.: C30H58N2O9 
Mol.Wt.: 590.8
Status: Limited Stock

Azithromycin EP Impurity K

CAT No: VS-A111011
CAS No: 612534-95-9
Mol.F.: C38H70N2O13 
Mol.Wt.: 763.0 
Status: In Stock

Azithromycin EP Impurity L

CAT No: VS-A111012
CAS No: 90503-06-3
Mol.F.: C38H72N2O13 
Mol.Wt.: 765.0 
Status: In Stock

Azithromycin EP Impurity M

CAT No: VS-A111013
CAS No: 765927-71-7
Mol.F.: C37H68N2O13
Mol.Wt.: 748.9
Status: In Stock

Azithromycin EP Impurity N

CAT No: VS-A111014
CAS No: 612069-25-7
Mol.F.: C36H65NO13 
Mol.Wt.: 719.9 
Status: In Stock

Azithromycin EP Impurity O

CAT No: VS-A111015
CAS No: 763924-54-5
Mol.F.: C39H74N2O12 
Mol.Wt.: 763.0 
Status: In Stock

Azithromycin EP Impurity P

CAT No: VS-A111016
CAS No: 92594-45-1
Mol.F.: C39H74N2O12
Mol.Wt.: 763
Status: Custom Synthesis

Azithromycin EP Impurity Q

CAT No: VS-A111022
CAS No: 2095879-65-3
Mol.F.: C44H75N3O15S 
Mol.Wt.: 918.1
Status: In Stock

Azithromycin Impurity 2

CAT No: VS-A111023
CAS No: N/A
Mol.F.: C38H70N2O14
Mol.Wt.: 779
Status: Custom Synthesis

Azithromycin Impurity 3 Sodium Salt

CAT No: VS-A111024
CAS No: N/A
Mol.F.: C38H73N2O13 : Na
Mol.Wt.: 766.01 : 23.0
Status: Custom Synthesis

Azithromycin Impurity 6

CAT No: VS-A111025
CAS No: N/A
Mol.F.: C38H71BN2O13
Mol.Wt.: 774.8
Status: Custom Synthesis

Azithromycin Impurity 7

CAT No: VS-A111026
CAS No: 1914946-68-1
Mol.F.: C30H57NO10
Mol.Wt.: 591.8
Status: Custom Synthesis

Azithromycin Impurity Q

CAT No: VS-A111017
CAS No: N/A
Mol.F.: C37H66N2O12 
Mol.Wt.: 730.9
Status: Custom Synthesis

Azithromycin Impurity R

CAT No: VS-A111018
CAS No: 161193-44-8
Mol.F.: C37H66N2O12 
Mol.Wt.: 730.9
Status: Custom Synthesis

Azithromycin Impurity Zy

CAT No: VS-A111027
CAS No: N/A
Mol.F.: C41H78N2O13
Mol.Wt.: 807.1
Status: Custom Synthesis

N-Nitroso Azithromycin EP Impurity M

CAT No: VS-A111028
CAS No: NA
Mol.F.: C37H67N3O14
Mol.Wt.: 778.0
Status: Custom Synthesis