Cephalexin Impurity 28
Impurity reference standard · Cephalexin
- CAS number
- 142975-48-2
- Molecular formula
- C11H10N2O3
- Molecular weight
- 218.21
- Purity
- 95%+
- Storage
- 2℃ ~ 8℃
About Cephalexin Impurity 28
Cephalexin Impurity 28 is a specified impurity of Cephalexin. It is registered under CAS number 142975-48-2.
The compound is characterised by its molecular formula C11H10N2O3 and a molecular weight of 218.21, with the two-dimensional structure shown above. Because it shares the Cephalexin scaffold, it is typically used to track process-related and degradation impurities of Cephalexin 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: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Cephalexin impurities
The same parent compound, neighbouring impurity numbers.
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