CI 972 anhydrous is an inhibitor of purine nucleoside phosphorylase (PNP) (Ki: 0.83 μM) used as a T cell-selective immunosuppressive agent.

One hour after administration to rats, CI 972 anhydrous (5-150 mg/kg; p.o.) induces dose-dependent elevation of plasma inosine [1].

115787-68-3

C11H12ClN5OS

297.76

CI 972 (anhydrous)

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years