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Created Jun 2019 | Updated Nov 2020


  • [DMTB]
  • [OHTON]

Ohton, Aminobutene, Dimethibutin, Kobaton, Takaton, Dimethibutin

DEA CODE 9619: Schedule 1 Narcotic

Dimethylthiambutene is the synthetic narcotic analgesic agent. It has analgesic effect similar to those of meperidine. Dimethylthiambutene clinically compared with meperidine (pethidine), but maintains the dependence-producing capability of morphine. It has had illicit use in Japan in the past. Dimethylthiambutene is under international control according to the UN Single Convention 1961 and its amendments, Schedule I.

Dimethylthiambutene was developed in the United Kingdom in the late 1940s. An opioid pain reliever most often used in veterinary medicine in Japan.

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