Methidathion

Methidathion is an organophosphate insecticide

Chemical name S-2,3-dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-ylmethyl O,O-dimethyl phosphorodithioate

CAS: 950-37-8

Marketed as Suprathion

More info: Extoxnet