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4-AcO-EiPT

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4-AcO-EiPT
Clinical data
Other names4-AcO-EIPT; 4-Acetoxy-N-ethyl-N-isopropyltryptamine; Ethipracetin; Eipracetin
Drug classSerotonergic psychedelic; Hallucinogen
ATC code
  • None
Identifiers
  • [3-[2-[ethyl(propan-2-yl)amino]ethyl]-1H-indol-4-yl] acetate
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC17H24N2O2
Molar mass288.391 g·mol−1
3D model (JSmol)
  • CCN(CCC1=CNC2=C1C(=CC=C2)OC(=O)C)C(C)C
  • InChI=1S/C17H24N2O2/c1-5-19(12(2)3)10-9-14-11-18-15-7-6-8-16(17(14)15)21-13(4)20/h6-8,11-12,18H,5,9-10H2,1-4H3
  • Key:VYHGUTGSNXCMKF-UHFFFAOYSA-N

4-AcO-EiPT, also known as 4-acetoxy-N-ethyl-N-isopropyltryptamine or as ethipracetin, is a psychedelic drug of the tryptamine and 4-hydroxytryptamine families related to 4-AcO-DMT (psilacetin).[1][2] It is the acetate ester of 4-HO-EiPT (ethiprocin) and a skeletal isomer of 4-AcO-EPT.[1][2] The drug is taken orally.[2] It is said to be similar in effects to 5-MeO-DiPT, producing psychedelic and mild stimulant effects.[2] The pharmacology and toxicity of 4-AcO-EiPT have not been studied, but it is assumed that it acts on serotonin receptors.[2] 4-AcO-EiPT was first discussed online in 2011.[2] It was encountered as a novel designer drug being sold by online vendors in early 2022.[2]

See also

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References

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  1. 1 2 Catalani V, Corkery JM, Guirguis A, Napoletano F, Arillotta D, Zangani C, et al. (August 2021). "Psychonauts' psychedelics: A systematic, multilingual, web-crawling exercise". Eur Neuropsychopharmacol. 49: 69–92. doi:10.1016/j.euroneuro.2021.03.006. PMID 33857740.
  2. 1 2 3 4 5 6 7 "4-AcO-EIPT (Ethipracetin)". AIPSIN (in Russian). Retrieved 2 January 2026.
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