Tofacitinib Impurity 64
Impurity reference standard · Tofacitinib
- CAS number
- 2504210-40-4
- Molecular formula
- C27H31N5O2S
- Molecular weight
- 489.63
- Purity
- 95%+
- Appearance
- White to off-white solid
- Storage
- 2℃ ~ 8℃
About Tofacitinib Impurity 64
Tofacitinib Impurity 64 is a specified impurity of Tofacitinib. It is registered under CAS number 2504210-40-4.
The compound is characterised by its molecular formula C27H31N5O2S and a molecular weight of 489.63, with the two-dimensional structure shown above. Because it shares the Tofacitinib scaffold, it is typically used to track process-related and degradation impurities of Tofacitinib 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 Tofacitinib impurities
The same parent compound, neighbouring impurity numbers.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.