Is HHC-P (Hexahydrocannabiphorol) Legal in Oklahoma? (2026)

Instrument

Definition of marijuana: industrial hemp exclusion

Source

http://webserver1.lsb.state.ok.us/cf_pdf/2025-26%20ENR/SB/SB1257%20ENR.PDF

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2026-11-01

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h. any federal Food and Drug Administration-approved drug or substance, or industrial hemp, from the Cannabis plant Cannabis sativa L. and any part of such plant, whether growing or not, with a combined delta-9 tetrahydrocannabinol and tetrahydrocannabinolic acid concentration not more than three-tenths of one percent (0.3%) on a dry-weight basis, as tested using post-decarboxylation or other similarly reliable methods, which shall only be grown pursuant to the Oklahoma Industrial Hemp Program and may be shipped intrastate and interstate;

SECTION 4. This act shall become effective November 1, 2026.

Instrument

Uniform Controlled Dangerous Substances Act definitions: synthetic controlled substance; tetrahydrocannabinols

Source

https://www.oscn.net/applications/oscn/DeliverDocument.asp?CiteID=553216

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2026-10-29

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48. a. “Synthetic controlled substance” means a substance:

(1) the chemical structure of which is substantially similar to the chemical structure of a controlled dangerous substance in Schedule I or II,

(2) 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 dangerous substance in Schedule I or II, or

(3) 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 dangerous substance in Schedule I or II.

b. The designation of gamma-butyrolactone or any other chemical as a precursor, pursuant to
Section 2-322
 of this title, does not preclude a finding pursuant to subparagraph a of this paragraph that the chemical is a synthetic controlled substance.

c. Synthetic controlled substance does not include:

(1) a controlled dangerous substance,

(2) any substance for which there is an approved new drug application,

(3) with respect to a particular person any substance, if an exemption is in effect for investigational use, for that person under the provisions of Section 505 of the Federal Food, Drug, and Cosmetic Act, 21 U.S.C., Section 355, to the extent conduct with respect to such substance is pursuant to such exemption, or

(4) any substance to the extent not intended for human consumption before such an exemption takes effect with respect to that substance.

d. Prima facie evidence that a substance containing salvia divinorum has been enhanced, concentrated, or chemically or physically altered shall give rise to a rebuttable presumption that the substance is a synthetic controlled substance;

49. “Tetrahydrocannabinols” means all substances that have been chemically synthesized to emulate the tetrahydrocannabinols of marijuana, specifically including any tetrahydrocannabinols derived from industrial hemp; and

Instrument

Uniform Controlled Dangerous Substances Act: definition of Tetrahydrocannabinols; Schedule I

Source

http://webserver1.lsb.state.ok.us/cf_pdf/2025-26%20ENR/SB/SB1257%20ENR.PDF

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2026-11-06

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49. “Tetrahydrocannabinols” means includes all substances that
have been chemically synthesized to emulate the
tetrahydrocannabinols of marijuana, specifically including any
tetrahydrocannabinols derived from industrial hemp; and
50. "Ultimate user" means a person who lawfully possesses a
controlled dangerous substance for the person’s own use or for the
use of a member of the person’s household or for administration to
an animal owned by the person or by a member of the person’s
household.
SECTION 2.
AMENDATORY
63 O.S. 2021, Section 2-204, as
last amended by Section 1 of Enrolled House Bill No. 3767 of the 2nd
Session of the 60th Oklahoma Legislature, is amended to read as
follows:
Section 2-204. The controlled substances listed in this section
are included in Schedule I and include any material, compound,
mixture, or preparation that contains any quantity of the following
hallucinogenic substances, their salts, isomers, and salts of
isomers, unless specifically excepted, when the existence of these
salts, isomers, and salts of isomers is possible within the specific
chemical designation.

Instrument

statute

Source

https://www.oklegislature.gov/cf_pdf/2025-26%20ENR/SB/SB1257%20ENR.PDF

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2026-11-02

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h. industrial hemp, from the Cannabis plant and any part of such plant, whether growing or not, with a combined delta-9 tetrahydrocannabinol and tetrahydrocannabinolic acid concentration not more than three-tenths of one percent (0.3%) on a dry-weight basis, as tested using post-decarboxylation or other similarly reliable methods, which shall only be grown pursuant to the Oklahoma Industrial Hemp Program and may be shipped intrastate and interstate;

Instrument

statute

Source

https://www.oklegislature.gov/cf_pdf/2025-26%20ENR/SB/SB1257%20ENR.PDF

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2026-11-02

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49. “Tetrahydrocannabinols” includes all substances that have been chemically synthesized to emulate the tetrahydrocannabinols of marijuana, specifically including any tetrahydrocannabinols derived from industrial hemp; and

Instrument

Oklahoma Administrative Code, Title 35, Chapter 30, Subchapter 24 -- Oklahoma Industrial Hemp Program -- Definitions

Source

https://ag.ok.gov/wp-content/uploads/2023/04/ODAFF-Hemp-Program-Statutes-and-Rules-Updated-Nov-24.pdf

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2026-07-19

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“Industrial hemp” means the plant, Cannabis sativa L., and any part of the plant, including the seeds thereof, 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 three-tenths of one percent (0.3%) on a dry weight basis. "Acceptable Hemp THC Level" means when a laboratory tests a sample, it shall report the total delta-9 tetrahydrocannabinol content concentration level on a dry-weight basis and the measurement of uncertainty. The acceptable hemp THC level, for the purpose of compliance with the requirements of the state hemp plan, is when the application of the measurement of uncertainty to the reported total delta-9 tetrahydrocannabinol content concentration level on a dry-weight basis produces a distribution or range that includes 0.3% or less. "Decarboxylated" means the completion of the chemical reaction that converts THC-acid (THCA) into total delta-9-THC, the intoxicating component of cannabis. The decarboxylated value is also calculated using a conversion formula that sums total delta-9-THC and eighty-seven and seven tenths (87.7) percent of THCA.

Instrument

Controlling provision (official text)

Source

https://www.oklegislature.gov/OK_Statutes/CompleteTitles/os2.pdf

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2026-11-01

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A. A person intending to engage in industrial hemp growth,
cultivation, handling, or processing authorized under the Oklahoma
Industrial Hemp Program shall apply to the Oklahoma Department of
Agriculture, Food, and Forestry for a license prior to planting,
handling, or processing the industrial hemp.

Instrument

Controlling provision (official text)

Source

http://webserver1.lsb.state.ok.us/cf_pdf/2025-26%20ENR/SB/SB1257%20ENR.PDF

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2026-11-01

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49. “Tetrahydrocannabinols” means includes all substances that

have been chemically synthesized to emulate the
tetrahydrocannabinols of marijuana, specifically including any
tetrahydrocannabinols derived from industrial hemp; and

SECTION 4. This act shall become effective November 1, 2026.