4-Chloropyrrolo[2,3-d]pyrimidine

4-Chloro-7H-pyrrolo[2,3-d] pyrimidine is widely used in the synthesis of many pharmaceutical intermediates at home and abroad.

API Name Tofacitinib Intermediate
CAS No 3680-69-1
Molecular Weight 153.57
Synonyms 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine