PP2 (4-Amino-5-(4-chlorophenyl)-7-(tert.butyl)pyrazolo-(3,4-d)pyrimidine, AG 1879)

Short-term Storage: +4 degree C<br>Long-term Storage: -20 degree C<br>Working aliquots are stable for up to 3 months when stored at -20 degree C. Stable for at least 2 years after receipt when stored at -20 degree C.