ChEBI: Phenthoate is an organic thiophosphate that is ethyl mandelate in which the hydroxy group has been replaced by a (dimethoxyphosphorothioyl)sulfanediyl group. It has a role as an EC 3.1.1.7 (acetylcholinesterase) inhibitor, an acaricide and an agrochemical. It is an organic thiophosphate, an organothiophosphate insecticide and an ethyl ester.