Zaprinast (1,4-Dihydro-5-(2-propoxyphenyl)-7H-1,2,3-triazolo(4,5-d)pyrimidin-7-one, M&B 22948)

Lyophilized powder may be stored at RT. Stable for 12 months at -RT. Reconstitute with DMSO. Aliquot to avoid repeated freezing and thawing. Store at RT. Reconstituted product is stable for 6 months at RT. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.