A colorimetric substrate for histone deacetylases (HDACs).Formula:C19H28N4O6Sequence:Boc- Lys(Ac)-pNASolubility:DMSO Molecular Weight: ~408.45Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store 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.