AC-VEID-CHO (TFA) is a peptide-derived caspase inhibitor and has potency of inhibition for Caspase-6, Caspase-3 and Caspase-7 with IC50 values of 16.2 nM, 13.6 nM and 162.1 nM, respectively. AC-VEID-CHO (TFA) can be used for the research of neurodegenerative conditions including Alzheimer’s and Huntington’s disease.