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5-MAPDB
5-(2-methylaminopropyl)-2,3-dihydrobenzofuran
Psychoactive Class
Entactogen
Stimulant (mild)
Chemical Class
Benzofuran (dihydrobenzofuran)
Contents
Dosage & Duration
Pharmacology
Harm Potential
Sources
Dosage & Duration
Oral
Dosage
Threshold
~50 mg
Light
50-75 mg
Moderate
75-120 mg
Strong
120-150 mg
Heavy
150+ mg
Duration
Onset
45-70 minutes
After Effects
2-4 hours
Total
5-8 hours
Reagent Testing
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Pharmacology
Pharmacodynamics
Sources
Bluelight discussion thread: '5-MAPDB – dosage & effects'
https://www.bluelight.org/community/threads/5-mapdb.722378/
Bluelight discussion thread: ‘5-MAPDB – dosage & effects’
https://www.bluelight.org
Erowid: Experience Vaults – 5-MAPDB Reports (accessed 2025)
https://erowid.org/experiences/subs/exp_5MAPDB.shtml
Wikipedia
https://en.wikipedia.org/wiki/5-MAPDB
Further Reading
5
ACMD UK, 'Benzofuran Report' (2014) – Annex on 5-MAPDB
https://www.gov.uk/government/publications/benzofurans-a-review-of-the-evidence-of-use-and-harms
6
Monte et al. (1993) Synthesis and pharmacological examination of benzofuran, indan, and tetralin analogues
https://doi.org/10.1021/jm00075a027
Monte et al. (2013) Synthesis and characterization of MAPDB isomers
https://pubmed.ncbi.nlm.nih.gov/24113005
+2
9 sources cited
