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Is Phenibut Legal in Kansas? (2026)

Gray area

As of November 12, 2026, Phenibut is in a legal gray area (sold in practice, exposed to an interpretive ban theory) in Kansas. Kansas effect-based controlled substance analog law creates interpretive exposure. Controlling source: K.S.A. 21-5706(b)(1), controlled substance analog possession.

Verified November 12, 2026 (hash check) · confidence: under review

Is Phenibut Legal? Every state and federal law

WatchNo pending legislation, deadlines or enforcement actions on file for Phenibut in Kansas.
Rule type
permanent
Tier
Analog exposed

What the record says

Kansas defines a controlled substance analog to include a substance intended for human consumption with substantially similar central nervous system depressant effects to a Schedule I or II substance. The offense in K.S.A. 21-5706(b)(1) reaches analogs of Schedule I depressants, including gamma hydroxybutyric acid (GHB). A Netherlands public health assessment discusses phenibut as a sedative and describes its relationship to GHB, but this is a potential application, not a confirmed agency or court finding that the statutory similarity test is met. The 2021 WHO pre-review identified limited evidence on similarity to controlled substances. FDA separately states phenibut does not meet the definition of a dietary ingredient.

Controlling language, verbatim

(b)It shall be unlawful for any person to possess any of the following controlled substances or controlled substance analogs thereof: (1)Any depressant designated in K.S.A. 65-4105(e), 65-4107(e), 65-4109(b) or (c) or 65-4111(b), and amendments thereto;

Source of excerpt

Citations

  1. K.S.A. 21-5706(b)(1), controlled substance analog possession (Kansas Legislature, 2026-11-01) PRIMARYOFFICIAL
  2. K.S.A. 21-5701(b), controlled substance analog definition (Kansas Legislature, 2026-11-01) PRIMARYOFFICIAL
  3. K.S.A. 65-4105(e)(4), gamma hydroxybutyric acid (Kansas Legislature, 2026-11-01) PRIMARYOFFICIAL
  4. 2019 phenibut assessment (RIVM, Netherlands, 2026-11-01)PUBLICATION
  5. WHO Expert Committee on Drug Dependence, phenibut pre-review (World Health Organization, 2026-11-01)PUBLICATION

Where Phenibut stands across the country

LegalRestrictedGray areaIllegalNot yet verified

Among Kansas’s 4 neighbors, Nebraska and Oklahoma are gray area; Colorado and Missouri are legal.

Open the interactive map · Every compound in Kansas · Where Phenibut is banned · Embed this map

Federal posture

Not federally scheduled. Phenibut is not federally scheduled; FDA restricts dietary supplement marketing Federal detail

Verbatim law on file for Kansas

8 instruments on file for this compound’s framework in Kansas; 3 of 5 citations above are official sources. Each text carries its source and a fingerprint that changes when the law does.

K.S.A. 21-5701(b); 21-5705(a) · Controlled substance analog definition and distribution offenseOFFICIAL
Instrument
Controlled substance analog definition and distribution offense
Source
https://ksrevisor.gov/statutes/chapters/ch21/021_057_0001.html
Retrieved
2026-11-06
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(b) (1) “Controlled substance analog” means a substance that is intended for human consumption, and at least one of the following:

      (A) The chemical structure of the substance is substantially similar to the chemical structure of a controlled substance listed in or added to the schedules designated in K.S.A.
65-4105
 or
65-4107
, and amendments thereto;

      (B) the substance has a stimulant, depressant or hallucinogenic effect on the central nervous system substantially similar to the stimulant, depressant or hallucinogenic effect on the central nervous system of a controlled substance included in the schedules designated in K.S.A.
65-4105
 or
65-4107
, and amendments thereto; or

      (C) with respect to a particular individual, such individual represents or intends the substance to have a stimulant, depressant or hallucinogenic effect on the central nervous system substantially similar to the stimulant, depressant or hallucinogenic effect on the central nervous system of a controlled substance included in the schedules designated in K.S.A.
65-4105
 or
65-4107
, and amendments thereto.

      (2) “Controlled substance analog” does not include:

      (A) A controlled substance;

      (B) a substance for which there is an approved new drug application; or

      (C) a substance with respect to which an exemption is in effect for investigational use by a particular person under section 505 of the federal food, drug, and cosmetic act, 21 U.S.C. § 355, to the extent conduct with respect to the substance is permitted by the exemption.

(a) It shall be unlawful for any person to distribute or possess with the intent to distribute any of the following controlled substances or controlled substance analogs thereof:

      (1) Opiates, opium or narcotic drugs, or any stimulant designated in K.S.A.
65-4107
(d)(1), (d)(3) or (f)(1), and amendments thereto;

      (2) any depressant designated in K.S.A.
65-4105
(e),
65-4107
(e),
65-4109
(b) or (c) or
65-4111
(b), and amendments thereto;

      (3) any stimulant designated in K.S.A.
65-4105
(f),
65-4107
(d)(2), (d)(4), (d)(5) or (f)(2) or
65-4109
(e), and amendments thereto;

      (4) any hallucinogenic drug designated in K.S.A.
65-4105
(d),
65-4107
(g) or
65-4109
(g), and amendments thereto;

      (5) any substance designated in K.S.A.
65-4105
(g) or
65-4111
(c), (d), (e), (f) or (g), and amendments thereto;

      (6) any anabolic steroids as defined in K.S.A.
65-4109
(f), and amendments thereto; or

      (7) any substance designated in K.S.A.
65-4105
(h), and amendments thereto.
K.S.A. 21-5705(a) · Unlawful cultivation or distribution of controlled substances -- operative offense reaching controlled substance analogsOFFICIAL
Instrument
Unlawful cultivation or distribution of controlled substances -- operative offense reaching controlled substance analogs
Source
https://ksrevisor.gov/statutes/chapters/ch21/021_057_0005.html
Retrieved
2026-07-20
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21-5705. Unlawful cultivation or distribution of controlled substances. (a) It shall be unlawful for any person to distribute or possess with the intent to distribute any of the following controlled substances or controlled substance analogs thereof: (1) Opiates, opium or narcotic drugs, or any stimulant designated in K.S.A. 65-4107(d)(1), (d)(3) or (f)(1), and amendments thereto; (2) any depressant designated in K.S.A. 65-4105(e), 65-4107(e), 65-4109(b) or (c) or 65-4111(b), and amendments thereto; (3) any stimulant designated in K.S.A. 65-4105(f), 65-4107(d)(2), (d)(4), (d)(5) or (f)(2) or 65-4109(e), and amendments thereto; (4) any hallucinogenic drug designated in K.S.A. 65-4105(d), 65-4107(g) or 65-4109(g), and amendments thereto; (5) any substance designated in K.S.A. 65-4105(g) or 65-4111(c), (d), (e), (f) or (g), and amendments thereto; (6) any anabolic steroids as defined in K.S.A. 65-4109(f), and amendments thereto; or (7) any substance designated in K.S.A. 65-4105(h), and amendments thereto.
K.S.A. 21-5706(b) · Unlawful possession of controlled substancesOFFICIAL
Instrument
Unlawful possession of controlled substances
Source
https://kslegislature.gov/b2025_26/laws/021_000_0000_chapter/021_057_0000_article/021_057_0006_section/021_057_0006_k/
Retrieved
2026-11-01
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(b) It shall be unlawful for any person to possess any of the following controlled substances or controlled substance analogs thereof:
(1) Any depressant designated in K.S.A. 65-4105(e), 65-4107(e), 65-4109(b) or (c) or 65-4111(b), and amendments thereto;
(2) any stimulant designated in K.S.A. 65-4105(f), 65-4107(d)(2), (d)(4), (d)(5) or (f)(2) or 65-4109(e), and amendments thereto;
(3) any hallucinogenic drug designated in K.S.A. 65-4105(d), 65-4107(g) or 65-4109(g), and amendments thereto;
(4) any substance designated in K.S.A. 65-4105(g) and 65-4111(c), (d), (e), (f) or (g), and amendments thereto;
(5) any anabolic steroids as defined in K.S.A. 65-4109(f), and amendments thereto;
(6) any substance designated in K.S.A. 65-4113, and amendments thereto; or
(7) any substance designated in K.S.A. 65-4105(h), and amendments thereto.
Show 5 more laws on file
K.S.A. 21-5712 · Unlawful abuse of toxic vaporsOFFICIAL
Instrument
Unlawful abuse of toxic vapors
Source
https://kslegislature.gov/li/b2025_26/statute/021_000_0000_chapter/021_057_0000_article/021_057_0012_section/021_057_0012_k/
Retrieved
2026-10-31
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21-5712.
 Unlawful abuse of toxic vapors.
 (a) Unlawful abuse of toxic vapors is possessing, buying, using, smelling or inhaling toxic vapors with the intent of causing a condition of euphoria, excitement, exhilaration, stupefaction or dulled senses of the nervous system.
(b) Unlawful abuse of toxic vapors is a class B nonperson misdemeanor.
(c) In addition to any sentence or fine imposed, the court shall enter an order which requires that the person enroll in and successfully complete an alcohol and drug safety action education program, treatment program or both such programs as provided in K.S.A. 8-1008, and amendments thereto.
(d) This section shall not apply to the inhalation of anesthesia or other substances for medical or dental purposes.
(e) For the purposes of this section, the term “toxic vapors” means vapors from the following substances or products containing such substances:
(1) Alcohols, including methyl, isopropyl, propyl or butyl;
(2) aliphatic acetates, including ethyl, methyl, propyl or methyl cellosolve acetate;
(3) acetone;
(4) benzene;
(5) carbon tetrachloride;
(6) cyclohexane;
(7) freons, including freon 11, freon 12 and other halogenated hydrocarbons;
(8) hexane;
(9) methyl ethyl ketone;
(10) methyl isobutyl ketone;
(11) naptha;
(12) perchlorethylene;
(13) toluene;
(14) trichloroethane; or
(15) xylene.
(f) In a prosecution for a violation of this section, evidence that a container lists one or more of the substances described in subsection (e) as one of its ingredients shall be prima facie evidence that the substance in such container contains toxic vapors.
History: 
L. 2009, ch. 32, § 12; L. 2015, ch. 20, § 1; July 1.
K.S.A. 65-4105(d) · Schedule I, hallucinogenic substancesOFFICIAL
Instrument
Schedule I, hallucinogenic substances
Source
https://www.kslegislature.gov/li/b2025_26/statute/065_000_0000_chapter/065_041_0000_article/065_041_0005_section/065_041_0005_k/
Retrieved
2026-11-06
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(d) 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, whenever the existence of these salts, isomers and salts of isomers is possible within the specific chemical designation:
(1)  Alpha-ethyltryptamine   7249Some trade or other names: etryptamine; Monase; α-ethyl-1H-indole-3-ethanamine; 3-(2-aminobutyl) indole; α-ET; and AET.
(2)  4-bromo-2,5-dimethoxy-amphetamine  7391Some trade or other names: 4-bromo-2,5-dimethoxy-alpha-methylphenethylamine; 4-bromo-2,5-DMA.
(3)  2,5-dimethoxyamphetamine  7396Some trade or other names: 2,5-dimethoxy-alpha-methyl-phenethylamine; 2,5-DMA.
(4)  4-methoxyamphetamine  7411Some trade or other names: 4-methoxy-alpha-methylphene-thylamine; paramethoxyamphetamine; PMA.
(5)  5-methoxy-3,4-methylenedioxy-amphetamine  7401
(6)  4-methyl-2,5-dimethoxy-amphetamine  7395Some trade or other names: 4-methyl-2,5-dimethoxy-alpha-methylphenethylamine; “DOM”; and “STP”.
(7)  3,4-methylenedioxy amphetamine  7400
(8)  3,4-methylenedioxymethamphetamine (MDMA)  7405
(9)  3,4-methylenedioxy-N-ethylamphetamine (also known as N-ethyl-alpha-methyl-3,4 (methylenedioxy) phenethylamine, N-ethyl MDA, MDE, and MDEA)  7404
(10)  N-hydroxy-3,4-methylenedioxyamphetamine (also known as N-hydroxy-alpha-methyl-3,4-(methylenedioxy) phenethylamine, and N-hydroxy MDA)  7402
(11)  3,4,5-trimethoxy amphetamine  7390
(12)  Bufotenine  7433Some trade or other names: 3-(Beta-Dimethylaminoethyl)-5-hydroxyindole; 3-(2-dimethylaminoethyl)-5-indolol; N, N-dimethylserotonin; 5-hydroxy-N,N-dimethyltryptamine; mappine.
(13)  Diethyltryptamine  7434Some trade or other names: N,N-Diethyltryptamine; DET.
(14)  Dimethyltryptamine  7435Some trade or other names: DMT.
(15)  Ibogaine  7260Some trade or other names: 7-Ethyl-6,6 Beta,7,8,9,10,12,13-octahydro-2-methoxy-6,9-methano-5H-pyrido[1',2':1,2]azepino[5,4-b]indole; Tabernanthe iboga
(16)  Lysergic acid diethylamide  7315
(17)  Marijuana  7360
(18)  Mescaline  7381
(19)  Parahexyl  7374Some trade or other names: 3-Hexyl-l-hydroxy-7,8,9,10-tetrahydro-6,6,9-trimethyl-6H-dibenzo[b,d]pyran; Synhexyl.
(20)  Peyote  7415Meaning all parts of the plant presently classified botanically as Lophophora williamsii Lemaire, whether growing or not, the seeds thereof, any extract from any part of such plant, and every compound, manufacture, salts, derivative, mixture or preparation of such plant, its seeds or extracts.
(21)  N-ethyl-3-piperidyl benzilate  7482
(22)  N-methyl-3-piperidyl benzilate  7484
(23)  Psilocybin  7437
(24)  Psilocyn  7438Some trade or other names: Psilocin.
(25)  Ethylamine analog of phencyclidine  7455Some trade or other names: N-ethyl-1-phenyl-cyclo-hexylamine; (1-phenylcyclohexyl)ethylamine; N-(1-phenylcyclohexyl)ethylamine; cyclohexamine; PCE.
(26)  Pyrrolidine analog of phencyclidine  7458Some trade or other names: 1-(1-phenylcyclohexyl)-pyrrolidine; PCPy; PHP.
(27)  Thiophene analog of phencyclidine  7470Some trade or other names: 1-[1-(2-thienyl)-cyclohexyl]-piperidine; 2-thienyl analog of phencyclidine; TPCP; TCP.
(28)  1-[1-(2-thienyl)-cyclohexyl] pyrrolidine  7473Some other names: TCPy.
(29)  2,5-dimethoxy-4-ethylamphetamine  7399Some trade or other names: DOET.
(30)  Salvia divinorum or salvinorum A; all parts of the plant presently classified botanically as salvia divinorum, whether growing or not, the seeds thereof, any extract from any part of such plant, and every compound, manufacture, salts, derivative, mixture or preparation of such plant, its seeds or extracts.
(31)  Datura stramonium, commonly known as gypsum weed or jimson weed; all parts of the plant presently classified botanically as datura stramonium, whether growing or not, the seeds thereof, any extract from any part of such plant, and every compound, manufacture, salts, derivative, mixture or preparation of such plant, its seeds or extracts.
(32)  1-(3-[trifluoromethylphenyl])piperazineSome trade or other names: TFMPP.
(33)  4-Bromo-2,5-dimethoxyphenethylamine  7392
(34)  2,5-dimethoxy-4-(n)-propylthiophenethylamine (2C-T-7), its optical isomers, salts and salts of optical isomers  7348
(35)  Alpha-methyltryptamine (other name: AMT)  7432
(36)  5-methoxy-N,N-diisopropyltryptamine (5-MeO-DIPT), its isomers, salts and salts of isomers  7439
(37)  2-(2,5-Dimethoxy-4-ethylphenyl)ethanamine (2C-E)  7509
(38)  2-(2,5-Dimethoxy-4-methylphenyl)ethanamine (2C-D)  7508
(39)  2-(4-Chloro-2,5-dimethoxyphenyl)ethanamine (2C-C)  7519
(40)  2-(4-Iodo-2,5-dimethoxyphenyl)ethanamine (2C-I)  7518
(41)  2-[4-(Ethylthio)-2,5-dimethoxyphenyl]ethanamine (2C-T-2)  7385
(42)  2-[4-(Isopropylthio)-2,5-dimethoxyphenyl]ethanamine (2C-T-4)  7532
(43)  2-(2,5-Dimethoxyphenyl)ethanamine (2C-H)  7517
(44)  2-(2,5-Dimethoxy-4-nitrophenyl)ethanamine (2C-N)  7521
(45)  2-(2,5-Dimethoxy-4-(n)-propylphenyl)ethanamine (2C-P)  7524
(46)  5–methoxy–N,N–dimethyltryptamine (5–MeO–DMT)  7431Some trade or other names: 5–methoxy–3–[2–(dimethylamino) ethyl]indole.
(47)  2–(4–iodo–2,5–dimethoxyphenyl)–N–(2–methoxybenzyl)ethanamine  7538Some trade or other names: 25I–NBOMe; 2C–I–NBOMe; 25I; Cimbi–5.
(48)  2–(4–chloro–2,5–dimethoxyphenyl)–N–(2–methoxybenzyl)ethanamine  7537Some trade or other names: 25C–NBOMe; 2C–C–NBOMe; 25C; Cimbi–82.
(49)  2–(4–bromo–2,5–dimethoxyphenyl)–N–(2–methoxybenzyl)ethanamine  7536Some trade or other names: 25B–NBOMe; 2C–B–NBOMe; 25B; Cimbi–36.
(50)  2-(2,5-dimethoxyphenyl)-N-(2-methoxybenzyl)ethanamineSome trade or other names: 25H-NBOMe.
(51)  2-(2,5-dimethoxy-4-methylphenyl)-N-(2-methoxybenzyl)ethanamineSome trade or other names: 25D-NBOMe; 2C-D-NBOMe.
(52)  2-(2,5-dimethoxy-4-nitrophenyl)-N-(2-methoxybenzyl)ethanamineSome trade or other names: 25N-NBOMe, 2C-N-NBOMe.
(53)  1-(5-fluoropentyl)-N-(2-phenylpropan-2-yl)-1 H-pyrrolo[2,3-b]pyridine-3-carboxamide (5F-CUMYL-P7AICA)  7085
(54)  2-(ethylamino)-2-(3-methoxyphenyl)cyclohexan-1-one (other names: methoxetamine, MXE)  7286
(55)  1-(4-methoxyphenyl)-N-methylpropan-2-amine (other names: para-methoxymethamphetamine, PMMA)   1245
K.S.A. 65-4105(g) · Schedule I controlled substancesOFFICIAL
Instrument
Schedule I controlled substances
Source
https://www.kslegislature.gov/b2025_26/laws/065_000_0000_chapter/065_041_0000_article/065_041_0005_section/065_041_0005_k/
Retrieved
2026-11-01
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(g) Any material, compound, mixture or preparation that contains any quantity of the following substances: (1)  N-[1-benzyl-4-piperidyl]-N-phenylpropanamide (benzylfentanyl), its optical isomers, salts and salts of isomers (2)  N-[1-(2-thienyl)methyl-4-piperidyl]-N-phenylpropanamide (thenylfentanyl), its optical isomers, salts and salts of isomers (3)  Tianeptine, its optical isomers, salts and salts of isomers
K.S.A. 65-4109(b) · Schedule III: depressantsOFFICIAL
Instrument
Schedule III: depressants
Source
https://www.kslegislature.gov/li/b2025_26/statute/065_000_0000_chapter/065_041_0000_article/065_041_0009_section/065_041_0009_k/
Retrieved
2026-10-31
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(b) Unless listed in another schedule, any material, compound, mixture, or preparation which contains any quantity of the following substances having a potential for abuse associated with a depressant effect on the central nervous system:
(1)  Any compound, mixture or preparation containing:
(A)  Amobarbital  2126
(B)  Secobarbital  2316
(C)  Pentobarbital  2271or any salt thereof and one or more other active medicinal ingredients which are not listed in any schedule.
(2)  Any suppository dosage form containing:
(A)  Amobarbital  2126
(B)  Secobarbital  2316
(C)  Pentobarbital  2271or any salt of any of these drugs and approved by the Food and Drug Administration for marketing only as a suppository.
(3)  Any substance which contains any quantity of a derivative of barbituric acid, or any salt of a derivative of barbituric acid, except those substances which are specifically listed in other schedules  2100
(4)  Chlorhexadol  2510
(5)  Lysergic acid  7300
(6)  Lysergic acid amide  7310
(7)  Methyprylon  2575
(8)  Sulfondiethylmethane  2600
(9)  Sulfonethylmethane  2605
(10)  Sulfonmethane  2610
(11)  Tiletamine and zolazepam or any salt thereof  7295Some trade or other names for a tiletamine-zolazepam combination product: TelazolSome trade or other names for tiletamine: 2-(ethylamino)-2-(2-thienyl)-cyclohexanoneSome trade or other names for zolazepam: 4-(2-fluorophenyl)-6,8-dihydro-1,3,8-trimethylpyrazolo-[3,4-e][1,4]-diazepin-7(1H)-one, flupyrazapon
(12)  Ketamine, its salts, isomers, and salts of isomers  7285Some other names for ketamine: (±)-2-(2-chlorophenyl)-2-(methylamino)-cyclohexanone
(13)  Gamma hydroxybutyric acid, any salt, hydroxybutyric compound, derivative or preparation of gamma hydroxybutyric acid contained in a drug product for which an application has been approved under section 505 of the federal food, drug and cosmetic act
(14)  Embutramide  2020
(15)  Perampanel, its salts, isomers, and salts of isomers  2261Some other names for perampanel: 2-(2-oxo-1-phenyl-5-pyridin-2-yl-1,2 dihydropyridin-3-yl) benzonitrile
K.S.A. 65-4111 · Substances included in schedule IVOFFICIAL
Instrument
Substances included in schedule IV
Source
https://kslegislature.gov/li/b2025_26/statute/065_000_0000_chapter/065_041_0000_article/065_041_0011_section/065_041_0011_k/
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2026-10-31
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65-4111.
 Substances included in schedule IV.

(a) The controlled substances listed in this section are included in schedule IV and the number set forth opposite each drug or substance is the DEA controlled substances code that has been assigned to it.
(b) Any material, compound, mixture or preparation that contains any quantity of the following substances including its salts, isomers and salts of isomers whenever the existence of such salts, isomers and salts of isomers is possible within the specific chemical designation and having a potential for abuse associated with a depressant effect on the central nervous system:
(1)  Alprazolam  2882
(2)  Barbital  2145
(3)  Brexanolone  2400
(4)  Bromazepam   2748
(5)  Camazepam  2749
(6)  Carisoprodol  8192
(7)  Chloral betaine  2460
(8)  Chloral hydrate  2465
(9)  Chlordiazepoxide  2744
(10)  Clobazam  2751
(11)  Clonazepam  2737
(12)  Clorazepate  2768
(13)  Clotiazepam  2752
(14)  Cloxazolam  2753
(15)  Daridorexant  2410
(16)  Delorazepam  2754
(17)  Diazepam  2765
(18)  Dichloralphenazone  2467
(19)  Estazolam  2756
(20)  Ethchlorvynol  2540
(21)  Ethinamate  2545
(22)  Ethyl loflazepate  2758
(23)  Fludiazepam  2759
(24)  Flunitrazepam  2763
(25)  Flurazepam  2767
(26)  Fospropofol  2138
(27)  Halazepam  2762
(28)  Haloxazolam  2771
(29)  Ketazolam  2772
(30)  Lemborexant  2245
(31)  Loprazolam  2773
(32)  Lorazepam  2885
(33)  Lormetazepam  2774
(34)  Mebutamate  2800
(35)  Medazepam  2836
(36)  Meprobamate  2820
(37)  Methohexital  2264
(38)  Methylphenobarbital (mephobarbital)  2250
(39)  Midazolam  2884
(40)  Nimetazepam  2837
(41)  Nitrazepam  2834
(42)  Nordiazepam  2838
(43)  Oxazepam  2835
(44)  Oxazolam  2839
(45)  Paraldehyde  2585
(46)  Petrichloral  2591
(47)  Phenobarbital  2285
(48)  Pinazepam  2883
(49)  Prazepam  2764
(50)  Quazepam  2881
(51)  Remimazolam  2846
(52)  Temazepam  2925
(53)  Tetrazepam  2886
(54)  Triazolam  2887
(55)  Zolpidem  2783
(56)  Zaleplon  2781
(57)  Zopiclone  2784
(58)  Alfaxalone.  2731
(59)  Suvorexant  2223
(c) Any material, compound, mixture or preparation that contains any quantity of lorcaserin (1625), including its salts, isomers and salts of such isomers, whenever the existence of such salts, isomers and salts of isomers is possible (21 U.S.C. § 812; 21 C.F.R. § 1308.14).
(d) Unless specifically excepted or unless listed in another schedule, any material, compound, mixture or preparation that contains any quantity of the following substances having a stimulant effect on the central nervous system, including its salts, isomers (whether optical, position or geometric) and salts of such isomers whenever the existence of such salts, isomers and salts of isomers is possible within the specific chemical designation:
(1)  Cathine ((+)-norpseudoephedrine)  1230
(2)  Diethylpropion  1610
(3)  Fencamfamin  1760
(4)  Fenproporex  1575
(5)  Mazindol  1605
(6)  Mefenorex  1580
(7)  Pemoline (including organometalliccomplexes and chelates thereof)  1530
(8)  Phentermine  1640
The provisions of subsection (d)(8) shall expire on the date phentermine and its salts and isomers are removed from schedule IV of the federal controlled substances act (21 U.S.C. § 812; 21 C.F.R. § 1308.14).
(9)  Pipradrol  1750
(10)  Serdexmethylphenidate  1729
(11)  SPA((-)-1-dimethylamino-1, 2-diphenylethane)  1635
(12)  Sibutramine  1675
(13)  Solriamfetol (2-amino-3-phenylpropyl carbamate; benzenepropanol, beta-amino-, carbamate (ester))  1650
(14)  Mondafinil  1680
(e) Unless specifically excepted or unless listed in another schedule, any material, compound, mixture or preparation that contains any quantity of the following, including salts thereof:
(1)  Pentazocine  9709
(2)  Butorphanol (including its optical isomers)  9720
(3)  Eluxadoline (5-[[[(2S)-2-amino-3-[4-aminocarbonyl)-2,6-dimethylphenyl]-1-oxopropyl][(1S)-1-(4-phenyl-1H-imidazol-2-yl)ethyl]amino]methyl]-2-methoxybenzoic acid) (including its optical isomers) and its salts, isomers, and salts of isomers  9725
(f) Unless specifically excepted or unless listed in another schedule, any material, compound, mixture or preparation containing any of the following narcotic drugs, or their salts calculated as the free anhydrous base or alkaloid, in limited quantities as set forth below:
(1)  Not more than 1 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit  9167
(2)  Dextropropoxyphene (alpha-(+)-4-dimethylamino-1, 2-diphenyl-3-methyl-2-propion-oxybutane)  9278
(3)  2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol, its salts, optical and geometric isomers and salts of these isomers (including tramadol)  9752
(g) Butyl nitrite and its salts, isomers, esters, ethers or their salts.
(h) The board may except by rule and regulation any compound, mixture or preparation containing any depressant substance listed in subsection (b) from the application of all or any part of this act if the compound, mixture or preparation contains one or more active medicinal ingredients not having a depressant effect on the central nervous system, and if the admixtures are included therein in combinations, quantity, proportion or concentration that vitiate the potential for abuse of the substances that have a depressant effect on the central nervous system.
History: 
L. 1972, ch. 234, § 11; L. 1974, ch. 258, § 5; L. 1978, ch. 257, § 3; L. 1979, ch. 204, § 1; L. 1982, ch. 269, § 5; L. 1985, ch. 220, § 4; L. 1986, ch. 241, § 3; L. 1989, ch. 200, § 4; L. 1990, ch. 231, § 1; L. 1991, ch. 199, § 4; L. 1993, ch. 70, § 2; L. 1996, ch. 257, § 2; L. 1998, ch. 190, § 1; L. 2000, ch. 108, § 4; L. 2001, ch. 171, § 5; L. 2011, ch. 83, § 6; L. 2012, ch. 107, § 8; L. 2014, ch. 79, § 3; L. 2015, ch. 27, § 4; L. 2016, ch. 95, § 4; L. 2017, ch. 57, § 6; L. 2022, ch. 99, § 5; L. 2024, ch. 67, § 6; July 1.

Phenibut in neighboring states

Phenibut in 46 other states

Closest to Phenibut in Kansas

Same framework in Kansas

23 other compounds in Kansas

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Compound Analytics. "Is Phenibut Legal in Kansas? Updated Nov 2026." Compound Laws, https://compoundlaws.com/compounds/phenibut/kansas/. Accessed November 13, 2026.

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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