As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Arizona. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: A.R.S. 13-3451 (imitation CS).
Verified July 18, 2026 · confidence: confirmedEndomorphin-1 (Tyr-Pro-Trp-Phe-NH2) is not named or scheduled in Arizona. The state has no controlled-substance analogue statute at all; designer drugs are reached only by specific scheduling. Controlling instrument reviewed: None general - closed mimetic-scaffold classes + imitation (A.R.S. 13-3451). Conclusion: no operative instrument reaches a structurally-dissimilar endogenous opioid peptide; status LEGAL at the state controlled-substances level. Residual risk: minimal. Federal floor still applies (Analogue Act human-consumption contingency + FD&C unapproved-new-drug).
A.R.S. 13-3451: "'Imitation controlled substance' means a drug, substance or immediate precursor ... which by ... color or dosage unit appearance ... would lead a reasonable person to believe that the substance is a controlled substance." Arizona has no general structure/effect analogue statute (only closed mimetic-scaffold classes). [Appearance only.]
Among Arizona's 5 neighbors, California, Colorado, New Mexico, Nevada and Utah are legal, the same posture as Arizona.
Open the interactive map · Every compound in Arizona
Not federally scheduled. Endomorphin-1 - not federally scheduled; endogenous opioid tetrapeptide, no CSA entry and no analogue-act structural hook Federal detail
2 instruments on file for this compound's framework in Arizona; 2 of 2 citations above are official sources. Each text carries its source and a fingerprint that changes when the law does.
d95ffb8966cc954a**§ 13-3401(6)(a)(xxx)** "N-methyltryptamine mimetic substances that are any substances derived from N-methyltryptamine by any substitution at the nitrogen, any substitution at the indole ring, any substitution at the alpha carbon, any substitution at the beta carbon or any combination of the above. N-methyltryptamine mimetic substances do not include melatonin (5-methoxy n-acetyltryptamine). **Substances in the N-methyltryptamine generic definition include AcO-DMT, Baeocystine, Bromo-DALT, DiPT, DMT, DPT, HO-DET, HO-DiPT, HO-DMT, HO-DPT, HO-MET, MeO-DALT, MeO-DET, MeO-DiPT, MeO-DMT, MeO-DPT, MeO-NMT, MET, NMT and Norbufotenin.**" — A.R.S. § 13-3401(6)(a)(xxx), official azleg.gov: https://www.azleg.gov/ars/13/03401.htm
7d8967c94071fba26. "Dangerous drug" means the following by whatever official, common, usual, chemical or trade name designated: (a) Any material, compound, mixture or preparation that contains any quantity of the following hallucinogenic substances and their salts, isomers, whether optical, positional or geometric, and salts of isomers, unless specifically excepted, whenever the existence of such salts, isomers and salts of isomers is possible within the specific chemical designation: (i) Alpha-ethyltryptamine. (ii) Alpha-methyltryptamine. (iii) (2-aminopropyl) benzofuran (APB). (iv) (2-aminopropyl)-2, 3-dihydrobenzofuran (APDB). (v) Aminorex. (vi) 4-bromo-2, 5-dimethoxyphenethylamine. (vii) 4-bromo-2, 5-dimethoxyamphetamine. (viii) Bufotenine. (ix) [3-(3-carbamoylphenyl)phenyl]N-cyclohexyl carbamate (URB-597). (x) Diethyltryptamine. (xi) 2, 5-dimethoxyamphetamine. (xii) Dimethyltryptamine. (xiii) (2-ethylaminopropyl)-benzofuran (EAPB). (xiv) 5-methoxy-alpha-methyltryptamine. (xv) 5-methoxy-3, 4-methylenedioxyamphetamine. (xvi) 4-methyl-2, 5-dimethoxyamphetamine. (xvii) (2-methylaminopropyl)-benzofuran (MAPB). (xviii) Ibogaine. (xix) Lysergic acid amide. (xx) Lysergic acid diethylamide. (xxi) Mescaline. (xxii) 4-methoxyamphetamine. (xxiii) Methoxymethylenedioxyamphetamine (MMDA). (xxiv) Methylenedioxyamphetamine (MDA). (xxv) 3, 4-methylenedioxymethamphetamine. (xxvi) 3, 4-methylenedioxy-N-ethylamphetamine. (xxvii) N-ethyl-3-piperidyl benzilate (JB-318). (xxviii) N-hydroxy-3, 4-methylenedioxyamphetamine. (xxix) N-methyl-3-piperidyl benzilate (JB-336). (xxx) N-methyltryptamine mimetic substances that are any substances derived from N-methyltryptamine by any substitution at the nitrogen, any substitution at the indole ring, any substitution at the alpha carbon, any substitution at the beta carbon or any combination of the above. N-methyltryptamine mimetic substances do not include melatonin (5-methoxy n-acetyltryptamine). Substances in the N-methyltryptamine generic definition include AcO-DMT, Baeocystine, Bromo-DALT, DiPT, DMT, DPT, HO-DET, HO-DiPT, HO-DMT, HO-DPT, HO-MET, MeO-DALT, MeO-DET, MeO-DiPT, MeO-DMT, MeO-DPT, MeO-NMT, MET, NMT and Norbufotenin. (xxxi) N-(1-phenylcyclohexyl) ethylamine (PCE). (xxxii) Nabilone. (xxxiii) 1-(1-phenylcyclohexyl) pyrrolidine (PHP). (xxxiv) 1-(1-(2-thienyl)-cyclohexyl) piperidine (TCP). (xxxv) 1-(1-(2-thienyl)-cyclohexyl) pyrrolidine. (xxxvi) Para-methoxyamphetamine (PMA). (xxxvii) Psilacetin. (xxxviii) Psilocybin. (xxxix) Psilocyn. (xl) Synhexyl. (xli) Trifluoromethylphenylpiperazine (TFMPP). (xlii) Trimethoxyamphetamine (TMA). (xliii) 1-pentyl-3-(naphthoyl)indole (JWH-018 and isomers). (xliv) 1-butyl-3-(naphthoyl)indole (JWH-073 and isomers). (xlv) 1-hexyl-3-(naphthoyl)indole (JWH-019 and isomers). (xlvi) 1-pentyl-3-(4-chloro naphthoyl)indole (JWH-398 and isomers). (xlvii) 1-(2-(4-(morpholinyl)ethyl))-3-(naphthoyl)indole (JWH-200 and isomers). (xlviii) 1-pentyl-3-(methoxyphenylacetyl)indole (JWH-250 and isomers). (xlix) (2-methyl-1-propyl-1H-indol-3-YL)-1-naphthalenyl-methanone (JWH-015 and isomers). (l) (6AR, 10AR)-9-(hydroxymethyl)-6,6-dimethyl-3-(2-methyloctan2-Y)-6a,7,10,10a-tetrahydrobenzo[c]chromen-1-ol) (HU-210). (li) 5-(1,1-dimethylheptyl)-2-(3-hydroxycyclohexyl)-phenol (CP 47,497 and isomers). (lii) 5-(1,1-dimethyloctyl)-2-(3-hydroxycyclohexyl)-phenol (cannabicyclohexanol, CP-47,497 C8 homologue and isomers). (liii) Xylazine.
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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