Azithromycin Related Products
Azithromycin is an antibiotic belonging to the macrolide class of antibiotics. It is commonly used to treat a wide variety of bacterial infections. Azithromycin works by interfering with bacterial protein synthesis.
Vsquare is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Azithromycin, pharmacopeial and non-pharmacopeial Azithromycin impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Azithromycin 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.
Azithromycin-related products are thoroughly characterized. Azithromycin 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
3-Hydroxy Azithromycinoic Acid
| CAT No | : VV-A017001 |
| CAS No | : 2365312-76-9 |
| Mol.F. | : C30H60N2O10 |
| Mol.Wt. | : 608.8 |
3-Hydroxy Azithromycinoic Acid Sodium Salt
| CAT No | : VV-A017002 |
| CAS No | : NA |
| Mol.F. | : C30H59N2O10 : Na |
| Mol.Wt. | : 607.81 : 23.0 |
3’-N-Demethyl-3’-N- (phenylsulfonyl) azithromycin
| CAT No | : VV-A017003 |
| CAS No | : NA |
| Mol.F. | : C43H74N2O14S |
| Mol.Wt. | : 875.1 |
Azaerythromycin A 11,12-hydrogen borate
| CAT No | : VV-A017004 |
| CAS No | : 194809-66-0 |
| Mol.F. | : C37H69BN2O13 |
| Mol.Wt. | : 760.8 |
Azithromycin
| CAT No | : VV-A017005 |
| CAS No | : 83905-01-5 |
| Mol.F. | : C38H72N2O12 |
| Mol.Wt. | : 749 |
| Rel. CAS No | : 117772-70-0 (dihydrate) ; 121470-24-4 (hydrate) ; 90581-30-9 (HCl salt) |
Azithromycin Dihydrate
| CAT No | : VV-A017007 |
| CAS No | : 117772-70-0 |
| Mol.F. | : C38H72N2O12 : 2H2O |
| Mol.Wt. | : 749.0 : 2(18.0) |
| Rel. CAS No | : 83905-01-5 (free base) ; 121470-24-4 (hydrate) ; 90581-30-9 (HCl salt) |
Azithromycin EP Impurity A
| CAT No | : VV-A017014 |
| CAS No | : 76801-85-9 |
| Mol.F. | : C37H70N2O12 |
| Mol.Wt. | : 735.0 |
Azithromycin EP Impurity B
| CAT No | : VV-A017008 |
| CAS No | : 307974-61-4 |
| Mol.F. | : C38H72N2O11 |
| Mol.Wt. | : 733.0 |
Azithromycin EP Impurity C
| CAT No | : VV-A017009 |
| CAS No | : 620169-47-3 |
| Mol.F. | : 620169-47-3 |
| Mol.Wt. | : C37H70N2O12 |
Azithromycin EP Impurity D
| CAT No | : VV-A017010 |
| CAS No | : 612069-26-8 |
| Mol.F. | : C38H72N2O13 |
| Mol.Wt. | : 765.0 |
Azithromycin EP Impurity E
| CAT No | : VV-A017011 |
| CAS No | : 612069-27-9 |
| Mol.F. | : C36H68N2O12 |
| Mol.Wt. | : 720.9 |
Azithromycin EP Impurity F
| CAT No | : VV-A017012 |
| CAS No | : 612069-28-0 |
| Mol.F. | : C38H70N2O13 |
| Mol.Wt. | : 763.0 |
Azithromycin EP Impurity G
| CAT No | : VV-A017013 |
| CAS No | : 612069-31-5 |
| Mol.F. | : C44H76N2O14S |
| Mol.Wt. | : 889.1 |
Azithromycin EP Impurity H
| CAT No | : VV-A017015 |
| CAS No | : 612069-30-4 |
| Mol.F. | : C45H77N3O15S |
| Mol.Wt. | : 932.2 |
Azithromycin EP Impurity I
| CAT No | : VV-A017016 |
| CAS No | : 172617-84-4 |
| Mol.F. | : C37H70N2O12 |
| Mol.Wt. | : 735.0 |
Azithromycin EP Impurity J
| CAT No | : VV-A017017 |
| CAS No | : 117693-41-1 |
| Mol.F. | : C30H58N2O9 |
| Mol.Wt. | : 590.8 |
Azithromycin EP Impurity K
| CAT No | : VV-A017018 |
| CAS No | : 612534-95-9 |
| Mol.F. | : C38H70N2O13 |
| Mol.Wt. | : 763.0 |
Azithromycin EP Impurity L
| CAT No | : VV-A017019 |
| CAS No | : 90503-06-3 |
| Mol.F. | : C38H72N2O13 |
| Mol.Wt. | : 765.0 |
Azithromycin EP Impurity M
| CAT No | : VV-A017020 |
| CAS No | : 765927-71-7 |
| Mol.F. | : C37H68N2O13 |
| Mol.Wt. | : 749.0 |
Azithromycin EP Impurity N
| CAT No | : VV-A017021 |
| CAS No | : 612069-25-7 |
| Mol.F. | : C36H65NO13 |
| Mol.Wt. | : 719.9 |
Azithromycin EP Impurity O
| CAT No | : VV-A017022 |
| CAS No | : 763924-54-5 |
| Mol.F. | : C39H74N2O12 |
| Mol.Wt. | : 763.0 |
Azithromycin EP Impurity Q
| CAT No | : VV-A017023 |
| CAS No | : 2095879-65-3 |
| Mol.F. | : C44H75N3O15S |
| Mol.Wt. | : 918.1 |
Azithromycin Impurity 3 Sodium Salt
| CAT No | : VV-A017025 |
| CAS No | : NA |
| Mol.F. | : C38H73N2O13 : Na |
| Mol.Wt. | : 766.01 : 23.0 |
Azithromycin Impurity 7
| CAT No | : VV-A017028 |
| CAS No | : 1914946-68-1 |
| Mol.F. | : C30H57NO10 |
| Mol.Wt. | : 591.8 |
Azithromycin Impurity P-Inhouse
| CAT No | : VV-A017029 |
| CAS No | : 92594-45-1 |
| Mol.F. | : C39H74N2O12 |
| Mol.Wt. | : 763 |
Azithromycin Impurity R
| CAT No | : VV-A017031 |
| CAS No | : 161193-44-8 |
| Mol.F. | : C37H66N2O12 |
| Mol.Wt. | : 730.9 |
Stable Isotopes and Metabolites
Possible Nitroso Standards
N-Nitroso Azithromycin EP Impurity A
| CAT No | : VV-A017026 |
| CAS No | : NA |
| Mol.F. | : C37H69N3O13 |
| Mol.Wt. | : 764 |
N-Nitroso Azithromycin EP Impurity I
| CAT No | : VV-A017033 |
| CAS No | : NA |
| Mol.F. | : C37H69N3O13 |
| Mol.Wt. | : 764.0 |
N-Nitroso Azithromycin EP Impurity M
| CAT No | : VV-A017034 |
| CAS No | : NA |
| Mol.F. | : C37H67N3O14 |
| Mol.Wt. | : 778.0 |





































