Intermediate for Tofacitinib. Tofacitinib (trade name Xeljanz, Jakvinus) is a janus kinase (JAK) inhibitor for the treatment of rheumatoid arthritis (RA). Tofacitinib has been approved by the U.S Food and Drug Administration in November 2012.
Product Name: 4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine?
CAS Number: 479633-63-1
Molecular Weight:  307.7539
Molecular Formula:  C13H10ClN3O2S
Purity (HPLC): ≥95%
Shipping Conditions: Room temperature.
Storage Conditions: Refrigerated.
Regulatory Statement:  For Research Use Only.