Certificate of Analysis


Catalog Number: M1820
Product Name: Tofacitinib
CAS Number: 477600-75-2

Physical and Chemical Properties
Formula: C16H20N6O
Molecular Weight: 312.37
Solubility: DMSO ≥60 mg/mL
Storage: -20°C, sealed
Chemical Structure: Tofacitinib Structure
Analytical Data
HPLC: Shows Min 100.00% purity
H-NMR: Consistent with structure
Product Information
Description: Tofacitinib (formerly tasocitinib, CP-690550) is a novel Janus Kinase 3 (JAK-3) kinase inhibitor with an IC50 value estimated at 0.2 μM.
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.