(4-(1-(3-(Cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo(2,3-d)pyrimidin-7-yl)methyl pivalate

It is also referred to as Baricitinib Impurity 28. As a complex organic molecule, it features a central pyrrolo[3-d]pyrimidine core, a pyrazole ring, and a substituted azetidine ring. (4-(1-(3-(Cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo(2,3-d)pyrimidin-7-yl)methyl pivalate is a chemical compound that is a known impurity of the drug baricitinib.

API Name Baricitinib
CAS No 1187595-90-9
Molecular Formula C22H27N7O4S
Molecular Weight 485.6 g/mol
Synonyms [4-[1-[3-(cyanomethyl)-1-ethylsulfonylazetidin-3-yl]pyrazol-4-yl]pyrrolo[2,3-d]pyrimidin-7-yl]methyl 2,2-dimethylpropanoate