Etoricoxib impurity 55
Impurity reference standard · Etoricoxib
- CAS number
- 646459-40-7
- Molecular formula
- C25H22ClN3O3S
- Molecular weight
- 479.98
- Purity
- 95%+
- Storage
- -20℃±5℃
About Etoricoxib impurity 55
Etoricoxib impurity 55 is a specified impurity of Etoricoxib. It is registered under CAS number 646459-40-7.
The compound is characterised by its molecular formula C25H22ClN3O3S and a molecular weight of 479.98, with the two-dimensional structure shown above. Because it shares the Etoricoxib scaffold, it is typically used to track process-related and degradation impurities of Etoricoxib 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 Etoricoxib impurities
The same parent compound, neighbouring impurity numbers.
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