In the United States, acetylmethadol and its individual isomers are all Schedule I drugs under the Controlled Substances Act, except LAAM, which is Schedule II and was used clinically until 2003. Acetylmethadol has an ACSCN of 9601. The isomers have individual ACSCNs, which are as follows: Alphacetylmethadol 9603, Betacetylmethadol 9607, LAAM 9648. All of the above have annual manufacturing quotas of 2 grams as of 2013, except LAAM, which is 4 grams.
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