Category:
Other Specialized Reagents
CAS NO:
3680-69-1
Standard:
In-house Standards,
4-Chloropyrrolo(2,3-d)pyrimidine is an important pharmaceutical intermediate of Tofacitinib
4-Chloropyrrolo[2,3-d]pyrimidine (CAS 10586-97-5) is a key heterocyclic intermediate with molecular formula C6H4ClN3. Synthesized via chlorination of pyrrolopyrimidine precursors, it serves as a critical scaffold for pharmaceutical manufacturing.
Store in sealed containers under inert atmosphere at 2-8°C. Avoid skin contact due to potential irritancy; use appropriate PPE during handling. Not approved for direct clinical use without further derivatization.