1D-LSD Stats & Data
Syn-l-229
PubChem
MW433.6
FormulaC27H35N3O2
LogP4.6
IUPAC(6aR,9R)-4-(1,2-dimethylcyclobutanecarbonyl)-N,N-diethyl-7-methyl-6,6a,8,9-tetrahydroindolo[4,3-fg]quinoline-9-carboxamide
InChIKey
RNVFVHAKGPSAIU-ZRCBXKLVSA-N
Chemical Class
Lysergamide
Psychoactive Class
Psychedelic
Receptor Profile
Receptor Actions
Agonists
5-HT2A receptor agonist (partial)
Other
prodrug of LSD
Effect Profile
Curated
Psychedelic
5.4
Strong visuals with moderate body load, mild headspace
Visual Intensity×3
8
Headspace Depth×3
5
Auditory Effects×1
0
Body Load / Somatic Effects×1
6
Based on reports from:
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Full tolerance
1h
Half tolerance
10d
Baseline
~14d
Cross-Tolerances
LSD
Psilocybin
Psilocin
Mescaline
DMT
5-MeO-DMT
2C-B
2C-E
Experience Report Analysis
Erowid
4
Reports
0
Single-substance
2022–2025
Date Range
4
With Age Data
Demographics
Gender Distribution
Too few reports for a chart: gender is known from 4 reports, and a split is drawn only from 20 reports or more. Counts are shown instead. Why 20?
- Not Specified 1 of 4
- Male 3 of 4
Age Distribution
Reports Over Time
Form / Preparation
Most common forms and preparations, as a share of the 3 reports that give one
Too few reports for bars: these forms come from 3 reports, and a bar is drawn only from 20 reports or more. With fewer, a percentage cannot tell a common effect from a rare one. Counts are shown instead. Why 20?
- Blotter / Tab 3 of 3
Legal Status
| Country | Status | Notes |
|---|---|---|
| Austria | According to the current legal situation, 1D-LSD is neither explicitly mentioned in the Narcotic Drugs Ordinance nor in the Psychotropic Substances Ordinance (SV/PV), thus it is neither to be classified as a narcotic drug in the sense of the SV nor as a psychotropic substance in the sense of the PV. | |
| Germany | Since the 14 June 2024 1D-LSD (and 1T-LSD) are covered by the German NpSG law. |
References
Data Sources
Cited References
- Bluelight: 1D-LSD Megathread
- Erowid: 1D-LSD Experience Reports
- Erowid Experience: Herald of the Long Unknown (150 ug 1D-LSD)
- Erowid Experience: Two Very Different Ego-Losses (1S-LSD & 1D-LSD)
- Human Psychopharmacology: Comparative study of LSD and LSD analogues
- Identification of 1-(thiophene-2-carbonyl)-LSD (1T-LSD) in blotters labelled 1D-LSD
- N1-acyl lysergamide prodrugs - review of abuse potential
- Okada et al. (2024): Synthesis & characterization of 1T-AL-LAD
- PsychonautWiki: Subjective Effect Index
- Reddit r/Drugs: 1D-LSD potency discussion
- Reddit r/LSD: 1D-LSD user survey (150 ug vs 225 ug)
- Sky News: Germany schedules 1D-LSD (June 14, 2024)
- N 1-acyl lysergamide prodrugs – review of abuse potential
- Reddit: first-time 1D-LSD report (faster onset, shorter trip)
- Ehrlich reagent discussion for 1D-LSD testing (Bluelight)