4-AcO-MET

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Summary sheet: 4-AcO-MET
4-AcO-MET
4-AcO-MET.svg
Chemical Nomenclature
Common names 4-AcO-MET, 4-Acetoxy-MET, Metacetin, O-Acetylmetocin
Substitutive name 4-Acetoxy-N-methyl-N-ethyltryptamine
Systematic name 3-(2-Ethyl(methyl)aminoethyl)-1H-indol-4-yl acetate
Class Membership
Psychoactive class Psychedelic
Chemical class Tryptamine
Routes of Administration

WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section.



Oral
Dosage
Threshold 5 mg
Light 10 - 20 mg
Common 20 - 30 mg
Strong 30 - 50 mg
Heavy 50 mg +
Duration
Total 4 - 6 hours
Onset 20 - 60 minutes
Come up 30 - 60 minutes
Peak 1 - 2 hours
Offset 2 hours
After effects 2 - 4 hours









DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.

Interactions
Cannabis
Stimulants
Tramadol
Lithium


4-Acetoxy-N-methyl-N-ethyltryptamine (also known as 4-AcO-MET, Metacetin, and Azomet) is a lesser-known novel psychedelic substance of tryptamine class. Members of this group produce psilocybin-like psychedelic effects when administered. It is structurally related to psychedelic tryptamines like 4-AcO-DMT, 4-AcO-DET, and 4-AcO-MiPT.

The substance is closely related in structure to 4-HO-MET, for which it is theorized to act as a prodrug. It is occasionally found in pressed pill which are sold on the streets in northern Switzerland under the name "Acomet" or "Azomet".[citation needed]

Very little data exists about the pharmacological properties, metabolism, and toxicity of 4-AcO-MET, and it has little history of human usage. It is sold as a research chemical online. It is highly advised to use harm reduction practices if using this substance.

Chemistry

Generic structure of a tryptamine molecule.

4-AcO-MET or 4-Acetoxy-N-methyl-N-ethyltryptamine is a synthetic indole alkaloid molecule of the tryptamine class. Tryptamines share a core structure comprised of a bicyclic indole heterocycle attached at R3 to an amino group via an ethyl side chain. 4-AcO-MET is substituted at R4 of its indole heterocycle with an acetoxy (AcO) functional group CH3COO−. It also contains a methyl group and an ethyl chain bound to the terminal amine RN of its tryptamine backbone (MET). 4-AcO-MET is an acetate ester analog of 4-HO-MET and the N-substituted ethyl homolog of 4-AcO-DMT.

Pharmacology

Further information: Serotonergic psychedelic

It has been suggested that the substance is quickly hydrolyzed into the free phenolic 4-HO-MET by serum esterases, but human studies concerning the metabolic fate of this drug are lacking.[citation needed]

4-AcO-MET's psychedelic effects are believed to come from its efficacy at the 5-HT2A receptor as a partial agonist. However, the role of these interactions and how they result in the psychedelic experience continues to remain elusive.

It is also hypothesized that this compound is quickly hydrolyzed into the free phenolic 4-HO-MET, although human studies concerning the metabolic fate of this drug are lacking. This would explain a somewhat similar experience in their subjective effects. This is similar to how 4-AcO-DMT is thought to be deacetylated to 4-HO-DMT during first pass metabolism and subsequent passes through the liver.

Subjective effects

Disclaimer: The effects listed below cite the Subjective Effect Index (SEI), an open research literature based on anecdotal user reports and the personal analyses of PsychonautWiki contributors. As a result, they should be viewed with a healthy degree of skepticism.

It is also worth noting that these effects will not necessarily occur in a predictable or reliable manner, although higher doses are more liable to induce the full spectrum of effects. Likewise, adverse effects become increasingly likely with higher doses and may include addiction, severe injury, or death ☠.

Physical effects
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Visual effects
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Cognitive effects
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Experience reports

Anecdotal reports which describe the effects of this compound within our experience index include:

Additional experience reports can be found here:

Toxicity and harm potential

The toxicity and long-term health effects of recreational 4-AcO-MET use do not seem to have been studied in any scientific context and the exact toxic dose is unknown. This is because 4-AcO-MET is a research chemical with very little history of human usage.

Anecdotal evidence suggests that there are no negative health effects attributed to simply trying the drug by itself at low to moderate doses and using it very sparingly (but nothing can be completely guaranteed). Independent research should always be done to ensure that a combination of two or more substances is safe before consumption.

It is strongly recommended that one use harm reduction practices when using this substance.

Tolerance and addiction potential

4-AcO-MET is not habit-forming and the desire to use it can actually decrease with use. It is most often self-regulating.

Tolerance to the effects of 4-AcO-MET is built almost immediately after ingestion. After that, it takes about 3 days for the tolerance to be reduced to half and 7 days to be back at baseline (in the absence of further consumption). 4-AcO-MET presents cross-tolerance with all psychedelics, meaning that after the consumption of 4-AcO-MET all psychedelics will have a reduced effect.

Dangerous interactions

Warning: Many psychoactive substances that are reasonably safe to use on their own can suddenly become dangerous and even life-threatening when combined with certain other substances. The following list provides some known dangerous interactions (although it is not guaranteed to include all of them).

Always conduct independent research (e.g. Google, DuckDuckGo, PubMed) to ensure that a combination of two or more substances is safe to consume. Some of the listed interactions have been sourced from TripSit.

Legal status

Handcuffs-300px.png

This legality section is a stub.

As such, it may contain incomplete or wrong information. You can help by expanding it.

  • Germany: 4-AcO-MET is controlled under the NpSG[2] (New Psychoactive Substances Act) as of July 18, 2019.[3] Production and import with the aim to place it on the market, administration to another person, placing it on the market and trading is punishable. Possession is illegal but not punishable.[4][5] The legislator considers it possible that orders of 4-AcO-MET are punishable as an incitement to place it on the market.[6]
  • Switzerland: 4-AcO-MET is a controlled substance specifically named under Verzeichnis E.[7]
  • United Kingdom: 4-AcO-MET is a Class A drug in the UK as it is an ester of the drug 4-HO-MET, which is a Class A drug as a result of the tryptamine catch-all clause.[8]
  • United States: 4-AcO-MET is unscheduled in the United States. It may be considered an analogue of psilocin (4-HO-DMT) which is a Schedule I drug under the Controlled Substances Act. As such, the sale for human consumption or the use for illicit non-medical or industrial intents and purposes could be prosecuted as crimes under the Federal Analogue Act.[citation needed]

See also

External links

Discussion

References

  1. Talaie, H.; Panahandeh, R.; Fayaznouri, M. R.; Asadi, Z.; Abdollahi, M. (2009). "Dose-independent occurrence of seizure with tramadol". Journal of Medical Toxicology. 5 (2): 63–67. doi:10.1007/BF03161089. ISSN 1556-9039. 
  2. "Anlage NpSG" (in German). Bundesamt für Justiz [Federal Office of Justice]. Retrieved December 10, 2019. 
  3. "Verordnung zur Änderung der Anlage des Neue-psychoaktive-Stoffe-Gesetzes und von Anlagen des Betäubungsmittelgesetzes" (PDF). Bundesgesetzblatt Jahrgang 2019 Teil I Nr. 27 (in German). Bundesanzeiger Verlag. July 17, 2019. pp. 1083–1094. ISSN 0341-1095. 
  4. "§ 4 NpSG" (in German). Bundesamt für Justiz [Federal Office of Justice]. Retrieved December 10, 2019. 
  5. "§ 3 NpSG" (in German). Bundesamt für Justiz [Federal Office of Justice]. Retrieved December 10, 2019. 
  6. "Gesetzentwurf der Bundesregierung: Entwurf eines Gesetzes zur Bekämpfung der Verbreitung neuer psychoaktiver Stoffe" (PDF) (in German). Deutscher Bundestag. May 30, 2016. p. 20. Drucksache 18/8579. 
  7. "Verordnung des EDI über die Verzeichnisse der Betäubungsmittel, psychotropen Stoffe, Vorläuferstoffe und Hilfschemikalien" (in German). Bundeskanzlei [Federal Chancellery of Switzerland]. Retrieved January 1, 2020. 
  8. "Schedule 2: Part I: Class A Drugs". "Misuse of Drugs Act 1971". UK Government. Retrieved August 20, 2020.