Cell permeable fluorescent proteasome activity probe. Allows for high sensitive accurate profiling of proteasomal activity in cell lysates, intact cells and murine/human patient-derived material.Molecular Formula:C54H89BF2N8O8SMolecular Weight:1059.2Solubility:Soluble in DMSO (50-250uM)Storage and Stability:Stable for at least 1 year after receipt when stored at -20°C. Store solutions at -20°C in the dark.