Tofacitinib Impurity 218
Impurity reference standard · Tofacitinib
- CAS number
- —
- Molecular formula
- C6H7Cl2N3O2
- Molecular weight
- 224.04
- Purity
- 95%+
About Tofacitinib Impurity 218
Tofacitinib Impurity 218 is a specified impurity of Tofacitinib. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.
The compound is characterised by its molecular formula C6H7Cl2N3O2 and a molecular weight of 224.04, 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.
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.
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