Epalrestat Impurity 4
Impurity reference standard · Epalrestat
- CAS number
- 1151944-57-8
- Molecular formula
- C12H9NO3S2
- Molecular weight
- 279.33
- Purity
- 95%+
- Appearance
- Yellow Solid
- Storage
- -20℃±5℃
About Epalrestat Impurity 4
Epalrestat Impurity 4 is a specified impurity of Epalrestat. It is registered under CAS number 1151944-57-8.
The compound is characterised by its molecular formula C12H9NO3S2 and a molecular weight of 279.33, with the two-dimensional structure shown above. Because it shares the Epalrestat scaffold, it is typically used to track process-related and degradation impurities of Epalrestat 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 Epalrestat impurities
The same parent compound, neighbouring impurity numbers.
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