A convenient set containing twelve ready-to-use capase family inhibitors. The set contains 25 µl (2 mM in DMSO) each of the following five inhibitors: Caspase-1 Inhibitor, Z-YVAD(OMe)-FMK; Caspase-2 Inhibitor, Z-VD(OMe)-VAD(OMe)-FMK; Caspase-3 Inhibitor, Z-D(OMe)-E(OMe)-VD(OMe)-FMK; Caspase-4 Inhibitor, Z-LE(OMe)VD(OMe)-FMK; Caspase-5 Inhibitor, Z-WE(OMe)HD(OMe)-FMK; Caspase-6 Inhibitor, Z-VE(OMe)ID(OMe)-FMK; Caspase-8 Inhibitor, Z-IE(OMe)TD(OMe)-FMK ; Caspase-9 Inhibitor, Z-LE(OMe)HD(OMe)-FMK; Caspase-10 Inhibitor, Z-AE(OMe)VD(OMe)-FMK; Caspase-13 Inhibitor, Z-LE(OMe)E(OMe)D(OMe)-FMK, pan Caspase Inhibitor, Z-VAD(OMe)-FMK and the negatuve control, Z-FA-FMK.