| 2448 | O,O-dimethyl O-[3-methyl-4-(methylsulfinyl)phenyl] thiophosphateFensulfoxide, Fenthion-sulfoxide, Fenthion-sulphoxide, Fenthionsulfoxide, Mesulfenfos, Mesulfenos, Mesulfenphos, Mpp sulfoxide |  | Agricultural Chemicals Control Act |  |  | Prohibition of manufacture, processing and import without registration | Ministry of Agriculture, Forestry and Fisheries |  | Agricultural Chemicals Control Act | 
| 1940 | O,O-dimethyl O-[3-methyl-4-(methylsulfinyl)phenyl] thiophosphateFensulfoxide, Fenthion-sulfoxide, Fenthion-sulphoxide, Fenthionsulfoxide, Mesulfenfos, Mesulfenos, Mesulfenphos, Mpp sulfoxide |  | Poisonous and Deleterious Substances Control Act | Deleterious Substances |  | Management of the storing amount; Locked storage; Showing “Deleterious substance, not for medical use” on containers and storage, restriction of manufacture, import, sale, and handling | Ministry of Health, Labour and Welfare |  | Poisonous and Deleterious Substances Control Act |