Category:
Intermediates&Fine Chemicals
CAS NO:
68527-66-2
Standard:
Enterprise standard,
4-chloro-1H-pyrazolo[3,4-d]pyrimidine (CAS: 26097-75-6) is a key heterocyclic intermediate with formula C5H3ClN4. It is synthesized via chlorination of pyrazolopyrimidine derivatives using phosphorus oxychloride. This compound serves as a fundamental scaffold for pharmaceutical development.
Store in sealed containers under inert atmosphere at 2-8°C. Use PPE including nitrile gloves and goggles; avoid inhalation of dust. Not approved for direct clinical use without further derivatization.