Chlorpyrifos (CAS 2921-88-2) remains a cornerstone in the global agrochemical sector as a high-performance organophosphate insecticide, specifically formulated in 10% GR (granular) concentrations for precision soil application to combat stubborn pests like stem borers and termites. O,O-Diethyl O-(3,5,6-trichloro-2-pyri...