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Azithromycin Impurity E
Azithromycin Impurity F
Azithromycin Impurity I
Azithromycin Impurity
Azithromycin Impurity J

Azithromycin Impurity

Welcome to Veeprho Pharmaceuticals s.r.o, manufacturer and supplier of Azithromycin Impurity. We also offer other Azithromycin based products, including Azithromycin Impurity E (CAS No. 612069-27-9), Azithromycin Impurity F (CAS No. 612069-28-0), Azithromycin Impurity I (CAS No. 172617-84-4), Azithromycin Impurity J (CAS No. 117693-41-1), Azithromycin Impurity L (CAS No. 90503-06-3), Azithromycin Impurity B (CAS No. 307974-61-4), Azithromycin Impurity M, and Azithromycin Impurity N. We also undertake the manufacturing and supply of all Azithromycin impurities mentioned above, which have to be isolated by preparative HPLC and Lyophilized.


On purchase of any of these impurities, you will receive a certificate of analysis and characterization data like NMR MASS IR and HPLC Purity. You can also request for receiving additional information like CHN, C NMR and TGA RF.


Veeprho Pharmaceuticals s.r.o also manufacture and supply Azithromycin USP, EP, BP pharmacopoeia impurities, any unknown impurity, APIs and intermediates with structure elucidation with the help of H NMR, CHN, C NMR, MASS and HPLC data. We also provide all impurities of Azithromycin like Azithromycin Impurity J / Desosaminyl Azithromycin, Azithromycin Impurity I / 3-N- Demethyl Azithromycin, Azithromycin Impurity F / Azithromycin Related Compound F, Azithromycin Impurity M, Azithromycin Impurity N, Azithromycin Impurity E, Azithromycin N-Oxide (Azithromycin Impurity L), Azithromycin N-Oxide, Azithromycin Impurity G, Azithromycin Impurity H / Azithromycin Related Compound H, Azithromycin Impurity C (3”-O-demethylazithromycin), Azithromycin Impurity B / 3- Deoxy Azithromycin, Azithromycin Impurity O / 2- Des Ethyl Z-Propyl Azithromycin, Azithromycin Impurity A / Azaetrythromycin Impurity A, Azithromycin Impurity P (RRT 0.92), Azithromycin Impurity etc. as per to pharmacopoeia RRT if requested by the customers.


All regulatory agencies around the world including US-FDA, MCC, MHRA, WHO, Brazil and Japan accept the Azithromycin impurities manufactured and supplied by Veeprho Pharmaceuticals s.r.o. These Azithromycin impurities are even used for genotoxic study as well as ANDA/DMF fillings.



Azithromycin N-Oxide (Azithromycin Impurity L)
Azithromycin N-Oxide (Azithromycin Impurity L)

Azithromycin N-Oxide

Catalogue No : VL186001

Azithromycin Impurity J / Desosaminyl Azithromycin
Azithromycin Impurity J / Desosaminyl Azithromycin

Desosaminyl Azithromycin

Catalogue No : VL186002

Azithromycin Impurity I / 3-N- Demethyl Azithromycin
Azithromycin Impurity I / 3-N- Demethyl Azithromycin

3’-N-demethylazithromycin

Catalogue No : VL186003

Azithromycin Impurity F / Azithromycin Related Compound F
Azithromycin Impurity F / Azithromycin Related Compound  F

3’ -N-demethyl-3’ -N-formylazithromycin

Catalogue No : VL186004

Azithromycin Impurity M
Azithromycin Impurity M

3’-N,N-didesmethyl-N-formyl-azithromycin

Catalogue No : VL186005

Azithromycin Impurity N
Azithromycin Impurity N

3’-N,N-didesmethyl-3’-oxo-azithromycin

Catalogue No : VL186006

Azithromycin Impurity E
Azithromycin Impurity E

3-(N,N-didemethyl)azithromycin, aminoazithromycin

Catalogue No : VL186007

Azithromycin Impurity B / 3- Deoxy Azithromycin
Azithromycin Impurity B / 3- Deoxy Azithromycin

3-deoxy azithromycin

Catalogue No : VL186008

Azithromycin Impurity O / 2- Des Ethyl Z-Propyl Azithromycin
Azithromycin Impurity O / 2- Des Ethyl Z-Propyl Azithromycin

(2-desethyl-2-propylazithromycin)

Catalogue No : VL1860010

Azithromycin Impurity G
Azithromycin Impurity G

3'-N-Demethyl-3'-N-[(4-methylphenyl) sulfonyl] azithromycin

Catalogue No : VL1860011

Azithromycin Impurity H / Azithromycin Related Compound H
Azithromycin Impurity H / Azithromycin Related Compound H

3’ -N-{[4-(Acetylamino)phenyl]sulfonyl}-3’ -demethylazithromycin

Catalogue No : VL1860012

Azithromycin Impurity C (3”-O-demethylazithromycin)
Azithromycin Impurity C (3”-O-demethylazithromycin)

3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3’,3’-didemethylazithromycin

Catalogue No : VL186009

Azithromycin Impurity A / Azaetrythromycin Impurity A
Azithromycin Impurity A / Azaetrythromycin Impurity A

6-demethyl Azithromycin

Catalogue No : VL1860013

Azithromycin Impurity P (RRT 0.92)
Azithromycin Impurity P (RRT 0.92)



Catalogue No : VL1860015

Azithromycin Impurity 1
Azithromycin Impurity 1

3’ -N-{[4-(Acetylamino)phenyl]sulfonyl}-3’ ,3’ -didemethylazithromycin

Catalogue No : VL1860014