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-7H-pyrrolo[2,3-d]pyrimidine

Synonyms:                         N/A

CAS Number:                     3680-69-1

Molecular Weight:            153.5707

Molecular Formula:          C6H4ClN3

Purity (HPLC):                     ≥95%

Shipping Conditions:         Room temperature.

Storage Conditions:           Refrigerated.

Regulatory Statement:      For Research Use Only.

SMILES:                               Clc1nc[nH]c2c1ccn2

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