2C-YN

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2C-YN
Clinical data
Other names4-Ethynyl-2,5-dimethoxyphenethylamine; 2,5-Dimethoxy-4-ethynylphenethylamine
Routes of
administration		Oral[1]
Drug classSerotonergic psychedelic; Hallucinogen
Legal status
Legal status
Pharmacokinetic data
Duration of action~2 hours[1]
Identifiers
  • 2-(4-ethynyl-2,5-dimethoxyphenyl)ethanamine
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC12H15NO2
Molar mass205.257 g·mol−1
3D model (JSmol)
  • COc1cc(CCN)c(OC)cc1C#C
  • InChI=1S/C12H15NO2/c1-4-9-7-12(15-3)10(5-6-13)8-11(9)14-2/h1,7-8H,5-6,13H2,2-3H3 checkY
  • Key:MLJHHYIJBZVUEA-UHFFFAOYSA-N checkY
 ☒NcheckY (what is this?)  (verify)

2C-YN, also known as 4-ethynyl-2,5-dimethoxyphenethylamine, is an analogue of phenethylamine that can be synthesized from 2C-I.[2]

Use and effects

Daniel Trachsel lists 2C-YN as having a dosage of around 50 mg orally and a duration of around 2 hours, with relatively mild psychedelic effects.[1]

Interactions

Society and culture

Canada

As of October 31st, 2016; 2C-YN is a controlled substance (Schedule III) in Canada.[3]

United States

2C-YN is not an explicitly controlled substance in the United States.[4] However, it could be considered a controlled substance under the Federal Analogue Act if intended for human consumption.

See also

References

  1. Trachsel D, Lehmann D, Enzensperger C (2013). Phenethylamine Von der Struktur zur Funktion. Nachtschatten Verlag AG. p. 768. ISBN 978-3-03788-700-4.
  2. Trachsel D (August 2003). "Synthesis of Novel (Phenylalkyl) amines for the Investigation of Structure–Activity Relationships, Part 3: 4-Ethynyl-2,5-dimethoxyphenethylamine (= 4-Ethynyl-2, 5-dimethoxybenzeneethanamine; 2C-YN)". Helvetica Chimica Acta. 86 (8): 2754–2759. doi:10.1002/hlca.200390224.
  3. "Regulations Amending the Food and Drug Regulations (Part J — 2C-phenethylamines)". Canada Gazette. 4 May 2016.
  4. Orange Book: List of Controlled Substances and Regulated Chemicals (January 2026) (PDF), United States: U.S. Department of Justice: Drug Enforcement Administration (DEA): Diversion Control Division, January 2026