Roxithromycin EP Impurity D
Impurity reference standard · Roxithromycin
- CAS number
- 134931-00-3
- Molecular formula
- C41H76N2O15
- Molecular weight
- 837.05
- Purity
- 95%+
- Appearance
- White to off-white solid
- Storage
- -20℃±5℃
About Roxithromycin EP Impurity D
Roxithromycin EP Impurity D is a specified impurity of Roxithromycin. It is registered under CAS number 134931-00-3.
The compound is characterised by its molecular formula C41H76N2O15 and a molecular weight of 837.05, with the two-dimensional structure shown above. Because it shares the Roxithromycin scaffold, it is typically used to track process-related and degradation impurities of Roxithromycin 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 Roxithromycin impurities
The same parent compound, neighbouring impurity numbers.
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