A cell-permeable superoxide dismutase (SOD) mimetic and a peroxynitrite scavenger as well as an oxidative stress inhibitor. Displays protective effect against H2O2-mediated injury. Also displays neuroprotective properties.Solubility:In aqueous baseStorage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°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.