Rifaximin EP Impurity D
Impurity reference standard · Rifaximin
- CAS number
- —
- Molecular formula
- C43H49N3O12
- Molecular weight
- 799.86
- Purity
- 95%+
- Appearance
- Orange Solid
- Storage
- 2℃ ~ 8℃
About Rifaximin EP Impurity D
Rifaximin EP Impurity D is a specified impurity of Rifaximin. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.
The compound is characterised by its molecular formula C43H49N3O12 and a molecular weight of 799.86, 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: 2℃ ~ 8℃.
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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