|Systematic (IUPAC) name|
7484-81-2 ((S)-form (HCl))
|Synonyms||WIN-1783, BW 47-442|
|Mol. mass||309.445 g/mol|
Isomethadone (INN, BAN; Liden), also known as isoamidone, is a synthetic opioid analgesic and antitussive related to methadone that was used formerly as a pharmaceutical drug but is now no longer marketed. It binds to and activates both the μ- and δ-opioid receptors, with the (S)-isomer being the more potent of its two enantiomers. Isomethadone is a Schedule II controlled substance in the United States, and is also regulated internationally as a Schedule I controlled substance under the United Nations Single Convention on Narcotic Drugs of 1961.
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