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1-Propanoyl-lysergic acid diethylamide

1P-LSD
1-Propanoyl-lysergic acid diethylamide
Molecular structure via molpic based on CDK
Physical properties
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379.5 g/mol [1]
3.3 [1]
Structural Identifiers
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C23H29N3O2 [1]
(6aR,9R)-N,N-diethyl-7-methyl-4-propanoyl-6,6a,8,9-tetrahydroindolo[4,3-fg]quinoline-9-carboxamide [1]
CCC(=O)N1C=C2C[C@@H]3C(=C[C@H](CN3C)C(=O)N(CC)CC)C4=C2C1=CC=C4 [1]
InChI=1S/C23H29N3O2/c1-5-21(27)26-14-15-12-20-18(17-9-8-10-19(26)22(15)17)11-16(13-24(20)4)23(28)25(6-2)7-3/h8-11,14,16,20H,5-7,12-13H2,1-4H3/t16-,20-/m1/s1 [1]
InChIKeyJSMQOVGXBIDBIE-OXQOHEQNSA-N [1]
Pharmacokinetics[]
Elimination half-lifeInitial: ~0.2 hours
Duration of action8 – 12 hours

1-Propanoyl-lysergic acid diethylamide (also known as 1-Propionyl-lysergic acid diethylamide, 1-Propionyl-lsd, 1P-LSD, 1P-LAD, Unii-23r2g2g79c, N,N-Diethyl-7-methyl-4-propanoyl-6,6a,8,9-tetrahydroindolo(4,3-fg)quinoline-9-carboxamide, Schembl24635597, Schembl29557113, Dtxsid701016895 or NS00096729) is a psychedelic substance of the lysergamide class.

Chemistry

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1-Propanoyl-lysergic acid diethylamide is a absolute mixture.

Subjective effects []

emily / 1-Propanoyl-lysergic acid diethylamide []
Routes:
  • Oral (75 - 150μg)

Legal status []

  • Australia: 1-Propanoyl-lysergic acid diethylamide is a S8 substance.
  • Brazil: 1-Propanoyl-lysergic acid diethylamide is a F2 substance.
  • Canada: 1-Propanoyl-lysergic acid diethylamide is a Unscheduled..
  • Germany: 1-Propanoyl-lysergic acid diethylamide is a Neuer-Psychoaktiver-Stoff under the "Neue-psychoaktive-Stoffe-Gesetz (NpSG)".
  • United Kingdom: 1-Propanoyl-lysergic acid diethylamide is a PSA substance.
  • United States: 1-Propanoyl-lysergic acid diethylamide is a Unscheduled (may be considered illegal if sold for human consumption as an analog of LSD under the federal analogue act) substance.
  • United Nations: 1-Propanoyl-lysergic acid diethylamide is a Unscheduled substance.

See also []

External links []

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 119025985, 1-Propionyl-lysergic acid diethylamide. Accessed April 24, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/119025985

  2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 1-Propanoyl-lysergic acid diethylamide. UNII: 23R2G2G79C. Global Substance Registration System. Accessed April 24, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/23R2G2G79C