Vancomycin EP Impurity A
Impurity reference standard · Vancomycin
- CAS number
- 91700-98-0 (Free Base)
- Molecular formula
- C65H73Cl2N9O24
- Molecular weight
- 1435.23
- Purity
- 95%+
- Appearance
- White Solid
- Storage
- -20℃±5℃
About Vancomycin EP Impurity A
Vancomycin EP Impurity A is a specified impurity of Vancomycin. It is registered under CAS number 91700-98-0.
The compound is characterised by its molecular formula C65H73Cl2N9O24 and a molecular weight of 1435.23, with the two-dimensional structure shown above. Because it shares the Vancomycin scaffold, it is typically used to track process-related and degradation impurities of Vancomycin during method development, forced degradation and stability studies.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: -20℃±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Vancomycin impurities
The same parent compound, neighbouring impurity numbers.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.