Fenthion

Fenthion is an organothiophosphate insecticide, which is a subset of the organophosphates. Fenthion's mode of action is via cholinesterase inhibition, i.e., it is a nerve poison for insects.

Chemical names

 * IUPAC: O,O-dimethyl O-4-methylthio-m-tolyl phosphorothioate
 * CAS: 55-38-9   O,O-dimethyl O-[3-methyl-4-(methylthio)phenyl] phosphorothioate

Fenthion