Caspase-9 Substrate I Fluorogenic Calbiochem (Ac-LEHD-AFC Ac-Leu-Glu-His-Asp-AFC). A fluorogenic substrate for caspase-9 (ICE-LAP6 Mch6). May also act as a substrate for caspase-4 and caspase-5. Purity: >=95% by HPLC. Soluble in DMSO. FW: 765.7. White sol