Rifabutin EP Impurity B
Impurity reference standard · Rifabutin
- CAS number
- 51756-80-0
- Molecular formula
- C37H46N2O12
- Molecular weight
- 710.77
- Purity
- 95%+
- Appearance
- Dark Brown to Black Solid
- Storage
- 2℃ ~ 8℃
About Rifabutin EP Impurity B
Rifabutin EP Impurity B is a specified impurity of Rifabutin. It is registered under CAS number 51756-80-0.
The compound is characterised by its molecular formula C37H46N2O12 and a molecular weight of 710.77, with the two-dimensional structure shown above. Because it shares the Rifabutin scaffold, it is typically used to track process-related and degradation impurities of Rifabutin 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.
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