CPPD-Q is an antimicrobial agent and insecticide. CPPD-Q has an EC 50 of 6.98 mg/L against Vibrio fischeri. At doses of 1 or 10 µg/mL, CPPD-Q exerts its insecticidal effect by inducing the production of reactive oxygen species ( ROS ) in the intestines of Caenorhabditis elegans.