Rifaximin EP Impurity G
Impurity reference standard · Rifaximin
- CAS number
- 80621-76-7
- Molecular formula
- C43H49N3O11
- Molecular weight
- 783.86
- Purity
- 95%+
- Appearance
- Brown Solid
- Storage
- -20℃±5℃
About Rifaximin EP Impurity G
Rifaximin EP Impurity G is a specified impurity of Rifaximin. It is registered under CAS number 80621-76-7.
The compound is characterised by its molecular formula C43H49N3O11 and a molecular weight of 783.86, with the two-dimensional structure shown above. Because it shares the Rifaximin scaffold, it is typically used to track process-related and degradation impurities of Rifaximin 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 Rifaximin impurities
The same parent compound, neighbouring impurity numbers.
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