Prednisone EP Impurity C
Impurity reference standard · Prednisone
- CAS number
- 70522-55-3
- Molecular formula
- C21H24O5
- Molecular weight
- 356.41
- Purity
- 95%+
- Appearance
- Off-White to Pale Yellow Solid
- Storage
- -20℃±5℃
About Prednisone EP Impurity C
Prednisone EP Impurity C is a specified impurity of Prednisone. It is registered under CAS number 70522-55-3.
The compound is characterised by its molecular formula C21H24O5 and a molecular weight of 356.41, with the two-dimensional structure shown above. Because it shares the Prednisone scaffold, it is typically used to track process-related and degradation impurities of Prednisone 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.
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