Oxacillin EP Impurity B (Mixture of Diastereomers)
Impurity reference standard · Oxacillin
- CAS number
- 1642629-95-5
- Molecular formula
- C19H21N3O6S
- Molecular weight
- 419.45
- Purity
- 95%+
- Appearance
- White Powder
- Storage
- -20℃±5℃
About Oxacillin EP Impurity B (Mixture of Diastereomers)
Oxacillin EP Impurity B (Mixture of Diastereomers) is a specified impurity of Oxacillin. It is registered under CAS number 1642629-95-5.
The compound is characterised by its molecular formula C19H21N3O6S and a molecular weight of 419.45, with the two-dimensional structure shown above. Because it shares the Oxacillin scaffold, it is typically used to track process-related and degradation impurities of Oxacillin 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 Oxacillin impurities
The same parent compound, neighbouring impurity numbers.
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