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

Molecular formula	C₆H₄ClN₃
Molecular weight	153.57
CAS NO.	3680-69-1
Description	API Intermediate: Tofacitinib & Abrocitinib, Ruxolitinib, SHR0302, etc

G M PHARMA