Caspase-5 Inhibitor I [Z-WEHD-FMK Z-Trp-Glu(OMe)-His-Asp(OMe)-CH2F]. A potent cell-permeable and irreversible inhibitor of caspase-5 (ICErel-III TY) as well as caspases-1 and -4. Purity: single spot by TLC. Soluble in DMSO. FW: 763.8. Supplied as a triflu