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 Common Heavy
5 - 10 - 20 - 30 - 50 mg
Light Strong
Threshold 5 - 10 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.

4-Acetoxy-N-ethyl-N-methyltryptamine (also known as 4-AcO-MET, Metacetin, and Azomet) is a lesser-known novel psychedelic substance of tryptamine chemical 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.

4-AcO-MET is closely related in structure to 4-HO-MET, for which it is theorized to act as a prodrug.

4-AcO-MET is occasionally found in pressed pill which are sold on the streets in northern Switzerland under the name "Acomet" or "Azomet".[Controversial]

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

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

The effects listed below are based upon the subjective effects index and personal experiences of PsychonautWiki contributors. The listed effects should be taken with a grain of salt and will rarely (if ever) occur all at once, but heavier doses will increase the chances and are more likely to induce a full range of effects. Likewise, adverse effects become much more likely on higher doses and may include serious injury or death.

Physical effects
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Visual effects
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Cognitive effects
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Experience reports

There are currently no anecdotal reports which describe the effects of this compound within our experience index. 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 are 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

Although many psychoactive substances are safe on their own, they can become dangerous and even life-threatening when combined with other substances. The list below contains some common potentially dangerous combinations, but may not include all of them. Certain combinations may be safe in low doses of each but still increase the potential risk of death. Independent research should always be done to ensure that a combination of two or more substances is safe before consumption.

  • Lithium - Lithium is often used as treatment for bipolar disorder. It can amplify the intensity of psychedelics to dangerous levels and has been strongly linked with psychosis and seizures. The causes are poorly understood, but it may be due to its glutaminergic and GABAergic properties.[Controversial]
  • Stimulants - Stimulants affect many parts of the brain. Combined with psychedelics, stimulation can turn into uncontrollable anxiety, paranoia, thought loops and panic attacks. This interaction may cause elevated risk of psychosis.[Controversial]
  • Tramadol - Tramadol lowers the seizure threshold[1] and psychedelics may act as triggers for seizures, particularly in those who are predisposed to them.[Controversial]


Legal status

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This legality section is a stub.

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

  • 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.[Controversial]
  • United Kingdom - 4-AcO-MET is a Class A drug in the UK as it is an ester of the drug 4-HO-MET[2], which is a Class A drug as a result of the tryptamine catch-all clause.[3]

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
  2. Misuse of Drugs Act 1971 (Legislation.gov.uk) | http://www.legislation.gov.uk/ukpga/1971/38/schedule/2/part/I/paragraph/3
  3. Misuse of Drugs Act 1971 (Legislation.gov.uk) |http://www.legislation.gov.uk/ukpga/1971/38/schedule/2/part/I#reference-M_F_c7632653-ddad-4420-f307-e3da1e36d30e