Cefoperazone EP Impurity B
Impurity reference standard · Cefoperazone
- CAS number
- 711598-76-4
- Molecular formula
- C25H27N9O8S2
- Molecular weight
- 645.67
- Purity
- 95%+
- Appearance
- White to Off-White Powder
- Storage
- -20℃±5℃
About Cefoperazone EP Impurity B
Cefoperazone EP Impurity B is a specified impurity of Cefoperazone. It is registered under CAS number 711598-76-4.
The compound is characterised by its molecular formula C25H27N9O8S2 and a molecular weight of 645.67, with the two-dimensional structure shown above. Because it shares the Cefoperazone scaffold, it is typically used to track process-related and degradation impurities of Cefoperazone 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 Cefoperazone impurities
The same parent compound, neighbouring impurity numbers.
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