Cefprozil (Z)-isomer Impurity 48
Impurity reference standard · Cefprozil (Z)-isomer
- CAS number
- —
- Molecular formula
- C18H19N3O5S
- Molecular weight
- 389.43
- Purity
- 95%+
- Appearance
- Off-White Solid
- Storage
- -20℃±5℃
About Cefprozil (Z)-isomer Impurity 48
Cefprozil (Z)-isomer Impurity 48 is a specified impurity of Cefprozil (Z)-isomer. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.
The compound is characterised by its molecular formula C18H19N3O5S and a molecular weight of 389.43, with the two-dimensional structure shown above. Because it shares the Cefprozil (Z)-isomer scaffold, it is typically used to track process-related and degradation impurities of Cefprozil (Z)-isomer 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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