|Systematic (IUPAC) name|
|Legal status||Prohibited (S9) (AU) Schedule I (CA) Schedule I (US)|
|Mol. mass||295.419 g/mol|
|(what is this?)|
Normethadone (INN, BAN; brand names Cophylac, Dacartil, Eucopon, Mepidon, Noramidone, Normedon, and others), also known as desmethylmethadone or phenyldimazone, is a synthetic opioid analgesic and antitussive agent. Similarly to methadone, normethadone has a long duration and a slow onset of action, and is approximately between one- and two-thirds as potent in comparison.
Normethadone is listed under the Single Convention on Narcotic Drugs 1961 and resultantly is a Schedule I Narcotic controlled substance in the United States, with a DEA ACSCN of 9635 and an annual manufacturing quota of 2 grammes.
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