Clarithromycin EP Impurity J(Roxithromycin EP Impurity C)
Impurity reference standard · Clarithromycin
- CAS number
- 111321-02-9
- Molecular formula
- C37H68N2O13
- Molecular weight
- 748.94
- Purity
- 95%+
- Appearance
- White to off-white solid
- Storage
- -20℃±5℃
About Clarithromycin EP Impurity J(Roxithromycin EP Impurity C)
Clarithromycin EP Impurity J(Roxithromycin EP Impurity C) is a specified impurity of Clarithromycin. It is registered under CAS number 111321-02-9.
The compound is characterised by its molecular formula C37H68N2O13 and a molecular weight of 748.94, with the two-dimensional structure shown above. Because it shares the Clarithromycin scaffold, it is typically used to track process-related and degradation impurities of Clarithromycin 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 Clarithromycin impurities
The same parent compound, neighbouring impurity numbers.
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