Celecoxib Impurity 40
Impurity reference standard · Celecoxib
- CAS number
- 4392-54-5
- Molecular formula
- C6H9N3O2S
- Molecular weight
- 187.22
- Purity
- 95%+
- Appearance
- Light Yellow Solid
- Storage
- -20℃±5℃
About Celecoxib Impurity 40
Celecoxib Impurity 40 is a specified impurity of Celecoxib. It is registered under CAS number 4392-54-5.
The compound is characterised by its molecular formula C6H9N3O2S and a molecular weight of 187.22, with the two-dimensional structure shown above. Because it shares the Celecoxib scaffold, it is typically used to track process-related and degradation impurities of Celecoxib 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 Celecoxib impurities
The same parent compound, neighbouring impurity numbers.
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