Federal Schedule I (DEA temporary order, drug code 9673), effective 2026-08-26 to 2028-08-26
Verified November 3, 2026Federal status: MGM-15 (dihydro-7-hydroxymitragynine) is a Schedule I controlled substance under federal law by DEA temporary scheduling order under 21 U.S.C. 811(h), FR Doc. 2026-17429, 91 FR 54948 (Docket No. DEA-1644), effective 2026-08-26 until 2028-08-26, which added 21 CFR 1308.11(h)(90) with DEA drug code 9673; MGM-16 (9674) and mitragynine pseudoindoxyl (9672) were placed by the same order. The eCFR text of 21 CFR 1308.11, up to date as of 2026-10-26, carries paragraph (h)(90) with drug code 9673. On 2026-10-14 DEA published FR Doc. 2026-20942 (91 FR 65381), a notice of intent to issue a new temporary scheduling order for MGM-15 and MGM-16 that maintains their temporary schedule I placement without change; it states the new order will not be issued before 2026-11-13, that the 2026-08-26 order remains in effect until it expires or the new order is published and the previous order is withdrawn, and that the new order will run two years from its publication with a possible one-year extension. The notice was issued to separate MGM-15 and MGM-16 from mitragynine pseudoindoxyl after an HHS letter of 2026-10-06 that addressed a threshold for mitragynine pseudoindoxyl only. Effect: no gap in control; when the replacement order publishes, the controlling instrument and the sunset date move to that order. DEA states it intends to pursue permanent scheduling by formal rulemaking under 21 U.S.C. 811(a); no permanent rule, permanent-control NPRM, extension, or hearing notice for MGM-15 or MGM-16 was found in the Federal Register as of 2026-10-28. Every state row renders under this federal overlay: a state 'legal' or 'restricted' reports state law only and never implies federal lawfulness.
The Drug Enforcement Administration (DEA) is issuing this temporary order to schedule three 7-hydroxymitragynine-related substances (mitragynine pseudoindoxyl, MGM-15, and MGM-16), including their isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible, in schedule I of the Controlled Substances Act.
fa16cebdc1144cd6For the reasons set out above, DEA amends 21 CFR part 1308 as follows: PART 1308--SCHEDULES OF CONTROLLED SUBSTANCES 0 1. The authority citation for part 1308 continues to read as follows: Authority: 21 U.S.C. 811, 812, 871(b), 956(b), unless otherwise noted. 0 2. In Sec. 1308.11, add paragraphs (h)(89) through (91) to read as follows: Sec. 1308.11 Schedule I. * * * * * (h) * * * ------------------------------------------------------------------------ * * * * * * * (89) Methyl (E)-2-((1'S,6'S,7'S)-6'-ethyl-4-methoxy-3-oxo- 9672 3',5',6',7',8',8a'-hexahydro-2'H-spiro[indoline-2,1'- indolizine]-7'-yl)-3-methoxyacrylate (commonly known as mitragynine pseudoindoxyl) including its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible. Since nomenclature of this substance is not internationally standardized, compounds of this structure, regardless of numerical designation of atomic positions are covered (90) Methyl (E)-2-((2S,3S,7aS,12aR,12bS)-3-ethyl-7a-hydroxy-8- 9673 methoxy-1,2,3,4,6,7,7a,12,12a,12b-decahydroindolo[2,3- a]quinolizin-2-yl)-3-methoxyacrylate (commonly known as MGM- 15; also known as dihydro-7-hydroxymitragynine) including its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible. Since nomenclature of this substance is not internationally standardized, compounds of this structure, regardless of numerical designation of atomic positions are covered (91) Methyl (E)-2-((2S,3S,7aS,12aR,12bS)-3-ethyl-9-fluoro-7a- 9674 hydroxy-8- methoxy-1,2,3,4,6,7,7a,12,12a,12b- decahydroindolo[2,3-a]quinolizin-2-yl)-3-methoxyacrylate (commonly known as MGM-16; also known as 9-fluoro-dihydro-7- hydroxymitragynine; or 10-fluoro-dihydro-7-hydroxymitragynine (depending on numbering convention)) including its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible. Since nomenclature of this substance is not internationally standardized, compounds of this structure, regardless of numerical designation of atomic positions are covered ------------------------------------------------------------------------
753842c4cd890452(90) Methyl (E)-2-((2S,3S,7aS,12aR,12bS)-3-ethyl-7a-hydroxy-8- 9673 methoxy-1,2,3,4,6,7,7a,12,12a,12b-decahydroindolo[2,3- a]quinolizin-2-yl)-3-methoxyacrylate (commonly known as MGM- 15; also known as dihydro-7-hydroxymitragynine) including its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible. Since nomenclature of this substance is not internationally standardized, compounds of this structure, regardless of numerical designation of atomic positions are covered
78d1ca95da6494c6(91) Methyl (E)-2-((2S,3S,7aS,12aR,12bS)-3-ethyl-9-fluoro-7a- 9674 hydroxy-8- methoxy-1,2,3,4,6,7,7a,12,12a,12b- decahydroindolo[2,3-a]quinolizin-2-yl)-3-methoxyacrylate (commonly known as MGM-16; also known as 9-fluoro-dihydro-7- hydroxymitragynine; or 10-fluoro-dihydro-7-hydroxymitragynine (depending on numbering convention)) including its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible. Since nomenclature of this substance is not internationally standardized, compounds of this structure, regardless of numerical designation of atomic positions are covered
4d9abc695447adae(32)(A) Except as provided in subparagraph (C), the term "controlled substance analogue" means a substance— (i) the chemical structure of which is substantially similar to the chemical structure of a controlled substance in schedule I or II; (ii) which has a stimulant, depressant, or hallucinogenic effect on the central nervous system that is substantially similar to or greater than the stimulant, depressant, or hallucinogenic effect on the central nervous system of a controlled substance in schedule I or II; or (iii) with respect to a particular person, which such person represents or intends to have a stimulant, depressant, or hallucinogenic effect on the central nervous system that is substantially similar to or greater than the stimulant, depressant, or hallucinogenic effect on the central nervous system of a controlled substance in schedule I or II. (B) The designation of gamma butyrolactone or any other chemical as a listed chemical pursuant to paragraph (34) or (35) does not preclude a finding pursuant to subparagraph (A) of this paragraph that the chemical is a controlled substance analogue. (C) Such term does not include— (i) a controlled substance; (ii) any substance for which there is an approved new drug application; (iii) with respect to a particular person any substance, if an exemption is in effect for investigational use, for that person, under section 355 of this title to the extent conduct with respect to such substance is pursuant to such exemption; or (iv) any substance to the extent not intended for human consumption before such an exemption takes effect with respect to that substance. (a) In general A controlled substance analogue shall, to the extent intended for human consumption, be treated, for the purposes of any Federal law as a controlled substance in schedule I.
MGM-15 (dihydro-7-hydroxymitragynine) by state · How federal precedence works · Temporary scheduling
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