A widely used cell-permeable autophagic sequestration blocker that effectly protects cerebellar granule cells from apoptosis following serum/potassium deprivation. Although a known class III PI3K inhibitor (IC50=4.5mM in cell-free enzymatic assays), 3-MA exhibits quite distinct pharmacological properties from those of two other PI3K inhibitors, LY 294002 and Wortmannin.Formula:C6H7N5Solubility:DMSO or H2OMolecular Weight:149.2Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Do not freeze. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.