TFC98B: Tofacitinib Impurity 8

N-Oxopropanenitrile Tofacitinib ;

3-(4-(((3R,4R)-1-(2-Cyanoacetyl)-4-methylpiperidin-3-yl)(methyl)amino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-3-oxopropanenitrile ;

CAS # 2459302-77-1 ;

C19H21N7O2 ;
Mol. Wt.: 379.42 ;