Certificate of Analysis

 

Product Name: Ritlecitinib tosylate
Catalog Number: M40753
CAS Number: 2192215-81-7

Physical and Chemical Properties
Formula: C22H27N5O4S
Molecular Weight: 457.55
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Ritlecitinib tosylate Structure
Analytical Data
QC Standard: >99.0%
H-NMR: Consistent with structure
Product Information
Description: Ritlecitinib tosylate is a first-in-class, orally active, dual covalent inhibitor of tyrosine kinases in the JAK3 and TEC families. The IC50 for JAK3 is 33.1 nM and there is no activity against JAK1, JAK2 and TYK2.
   
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.