Tolfenpyrad (Standard) is the analytical standard of Tolfenpyrad (HY-17516). This product is intended for research and analytical applications. Tolfenpyrad is an orally active insecticide, acaricide and antibacterial agent. Tolfenpyrad inhibits Complex I in the mitochondrial respiratory electron transport chain, interfering with the cell respiration process. Tolfenpyrad has significant insecticidal activity against a variety of insect pests such as H. contortus, Coccinella septempunctata. Tolfenpyrad has antibacterial activity against Francisella novicida, with an IC50 of 1.2 µM or 1.5 µM[1][2][3][4][5][6][7][8].