In Montana, Compound Laws tracks 19 compounds: 6 legal to sell at retail, 2 restricted, 1 in a gray area, 4 illegal, 1 not yet verified, and 5 whose status varies by product form. Verified through October 22, 2026.
afea97d39b8b731d50-31-239. Sale of hemp product containing THC to consumers prohibited. (1) "Unless authorized as a food or drug by the United States food and drug administration", "a hemp product containing total delta-9 tetrahydrocannabinol (THC) may not be sold to a consumer in the state." (2) [Definitions:] (a) ["Consumer" means] "an individual who is a member of the public, takes possession of the hemp product" [and] "does not offer the hemp product for resale." (b) ["Hemp" has] "the same meaning as provided in 80-18-101". (c) ["Hemp product" means] "a product that contains postharvest hemp and that is intended for consumption, smoking, vaping," [or] "another method of administration." History: "En. Sec. 1, Ch. 394, L. 2025." [Bracketed spans summarized.]
2aaa76f87ec35fee**50-32-222(4) Hallucinogenic substances (header)** — "Unless specifically excepted or listed in another schedule, any material, compound, mixture, or preparation that contains any quantity of the following is a hallucinogenic substance, including salts, isomers, and salts of isomers whenever the existence of those salts, isomers, and salts of isomers is possible within the specific chemical designation: … (dd) psilocybin; (ee) psilocyn, also known as psilocin; …" — MCA 50-32-222(4), https://mca.legmt.gov/bills/mca/title_0500/chapter_0320/part_0020/section_0220/0500-0320-0020-0220.html (official Montana Code Annotated 2025). 4-HO-MET (4-hydroxy-N-methyl-N-ethyltryptamine) does **not** appear anywhere in the enumerated list; the listed 4-/5-substituted tryptamines are bufotenine, 5-MeO-DIPT, 5-MeO-DMT, AMT, AET, DET, DMT — not 4-HO-MET. **50-32-222(5)(a)** — "For the purposes of subsection (4), the term 'isomer' includes the optical, positional, and geometric isomers." — same URL (confirms the schedule's only catch-all reach is isomers, not homologs). **50-32-222(11) Dangerous drug analogues** — "Unless specifically excepted or listed in another schedule, this designation includes any material, compound, mixture, or preparation defined in 50-32-101 as a dangerous drug analogue." — same URL. **50-32-101(7)(a)** — "'Dangerous drug analogue' means any material, compound, mixture, or preparation that is structurally related to or chemically derived from any dangerous drug in Schedules I through V set forth in Title 50, chapter 32, part 2, or that is expressly or impliedly represented to produce or does produce a physiological effect similar to or greater than the effect of a dangerous drug in Schedules I through V." — MCA 50-32-101(7)(a), https://mca.legmt.gov/bills/mca/title_0500/chapter_0320/part_0010/section_0010/0500-0320-0010-0010.html (official MCA 2025).
e7b1283b8435665050-32-222(11) Dangerous drug analogues. Unless specifically excepted or listed in another schedule, this designation includes any material, compound, mixture, or preparation defined in 50-32-101 as a dangerous drug analogue. 50-32-101(7)(a) "Dangerous drug analogue" means any material, compound, mixture, or preparation that is structurally related to or chemically derived from any dangerous drug in Schedules I through V set forth in Title 50, chapter 32, part 2, or that is expressly or impliedly represented to produce or does produce a physiological effect similar to or greater than the effect of a dangerous drug in Schedules I through V. (b) The term does not include any material, compound, mixture, or preparation that is currently listed as a dangerous drug in Schedules I through V set forth in Title 50, chapter 32, part 2, or in an administrative rule, that is approved for use by the United States food and drug administration, or that is otherwise specifically excepted from Title 50, chapter 32, part 2.
ea28971c4ae4608fAN ACT GENERALLY REVISING LAWS RELATED TO SYNTHETIC CANNABINOIDS; REVISING DEFINITIONS; PROVIDING RULEMAKING AUTHORITY; AMENDING SECTIONS 16-12-101, 16-12-102, 16-12-108, 16-12-112, 16-12-117, 16-12-208, 16-12-305, AND 45-5-623, MCA; AND PROVIDING AN IMMEDIATE EFFECTIVE DATE. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MONTANA: Section 5. Section 16-12-117, MCA, is amended to read: "16-12-117. Synthetic marijuana cannabinoid products prohibited -- restriction on sale of marijuana products. (1) A person may not manufacture, process, store, or offer for sale a synthetic marijuana cannabinoid or a synthetic cannabinoid product. (2) Marijuana and marijuana products may only be sold by a manufacturer licensed under 16-12-222, a cultivator licensed under 16-12-223, or a dispensary licensed under 16-12-224 unless the products are authorized as a drug by the United States food and drug administration. Products under this section may not exceed the potency levels established in 16-12-224. (3) Hemp and hemp products sold by any person other than a licensed manufacturer under 16-12-222 or a licensed dispensary under 16-12-224 may not exceed 0.5 milligrams of total delta-9 THC for each serving and may not exceed 2 milligrams of total delta-9 THC per package. (4) This section does not apply to unadulterated hemp flower that is not further processed into extracts, infused products, or concentrates." Section 9. Effective date. [This act] is effective on passage and approval.
1ab6e67032f4800e80-18-101. Definitions. As used in this part, the following definitions apply: (1) (a) "Hemp" means the plant species Cannabis sativa L. and any part of that plant, including the seeds and all derivatives, extracts, cannabinoids, isomers, acids, salts, and salts of isomers, whether growing or not, with a total delta-9 tetrahydrocannabinol concentration of not more than 0.3% on a dry weight basis. (b) The term does not include synthetic cannabinoids. (2) "Hemp crude" means a hemp derivative in a temporary state of not complying with the legal definition of hemp, the amount of tetrahydrocannabinol, or the amount of tetrahydrocannabinolic acid that will be further processed in order to comply. (3) "Hemp derivatives" means all products that contain or are processed from, extracted from, or manufactured from hemp. (4) "Marijuana" means all plant material from the genus Cannabis containing tetrahydrocannabinol (THC) or seeds of the genus capable of germination. (5) "Synthetic cannabinoids" has the meaning provided in 50-32-222 and includes any cannabinoids produced artificially, whether from chemical synthesis or biosynthesis using recombinant biological agents, including but not limited to yeast and algae. History: En. Sec. 1, Ch. 360, L. 2001; amd. Sec. 1, Ch. 289, L. 2019; amd. Sec. 1, Ch. 59, L. 2021; amd. Sec. 12, Ch. 746, L. 2023.
01c86a217f93b00716-12-117. Synthetic cannabinoid products prohibited -- restriction on sale of marijuana products. (1) A person may not manufacture, process, store, or offer for sale a synthetic cannabinoid or a synthetic cannabinoid product. (2) Marijuana and marijuana products may only be sold by a manufacturer licensed under 16-12-222, a cultivator licensed under 16-12-223, or a dispensary licensed under 16-12-224 unless the products are authorized as a drug by the United States food and drug administration. Products under this section may not exceed the potency levels established in 16-12-224. (3) Hemp and hemp products sold by any person may not exceed 0.5 milligrams of total delta-9 THC for each serving and may not exceed 2 milligrams of total delta-9 THC per package. (4) This section does not apply to unadulterated hemp flower that is not further processed into extracts, infused products, or concentrates. History: En. Sec. 1, Ch. 746, L. 2023; amd. Sec. 5, Ch. 100, L. 2025.
10a325a11e8c81bd16-12-117. Synthetic cannabinoid products prohibited -- restriction on sale of marijuana products. (1) A person may not manufacture, process, store, or offer for sale a synthetic cannabinoid or a synthetic cannabinoid product. (2) Marijuana and marijuana products may only be sold by a manufacturer licensed under 16-12-222, a cultivator licensed under 16-12-223, or a dispensary licensed under 16-12-224 unless the products are authorized as a drug by the United States food and drug administration. Products under this section may not exceed the potency levels established in 16-12-224. (3) Hemp and hemp products sold by any person may not exceed 0.5 milligrams of total delta-9 THC for each serving and may not exceed 2 milligrams of total delta-9 THC per package. (4) This section does not apply to unadulterated hemp flower that is not further processed into extracts, infused products, or concentrates. History: En. Sec. 1, Ch. 746, L. 2023; amd. Sec. 5, Ch. 100, L. 2025. 16-12-102(39): 'Synthetic cannabinoid' has the meaning described in 50-32-222 and includes any cannabinoid produced artificially, whether from chemical synthesis or biosynthesis using recombinant biological agents, including but not limited to yeast and algae. 'Synthetic cannabinoid product' means a product that contains a synthetic cannabinoid.
0590d76665858595AN ACT REVISING LAWS RELATED TO THE SALE OF HEMP PRODUCTS TO CONSUMERS; PROHIBITING THE SALE OF EDIBLE HEMP PRODUCTS THAT CONTAIN THC TO CONSUMERS; PROVIDING A DEFINITION DEFINITIONS; AND PROVIDING AN IMMEDIATE EFFECTIVE DATE. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MONTANA: Section 1. Sale of edible hemp PRODUCT CONTAINING THC TO CONSUMERS prohibited. (1) Unless authorized as a food or drug by the United States food and drug administration, an edible product containing a hemp product containing total delta-9 tetrahydrocannabinol (THC) may not be sold to a consumer in the state. (2) (a) For the purposes of this section, the following definitions apply: (a) "Consumer" means an individual who is a member of the public, takes possession of the hemp product, and does not offer the hemp product for resale. (b) "Hemp" has the same meaning as provided in 80-18-101. (c) "Hemp product" means a product that contains postharvest hemp and that is intended for consumption, smoking, vaping, or another method of administration. Section 2. Codification instruction. [Section 1] is intended to be codified as an integral part of Title 50, chapter 31, part 2, and the provisions of Title 50, chapter 31, part 2, apply to [section 1]. Section 3. Effective date. [This act] is effective on passage and approval.
Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.
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