Cell-permeable. A nonspecific phosphodiesterase inhibitor (IC50 values are 13, 18, 19, 32 and 50uM for PDE4, PDE3, PDE1, PDE5 and PDE2 respectively).
Storage and Stability:
Lyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with DMSO or ethanol. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 6 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer