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Metadifluoromescaline

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Pharmaceutical compound
Metadifluoromescaline
Clinical data
Other namesMDFM; 3-(Difluoromethoxy)-4,5-dimethoxyphenylethylamine; 3,4-Dimethoxy-5-(difluoromethoxy)phenethylamine
Routes of
administration
Oral[1][2]
Drug classSerotonin receptor modulator;Serotonin5-HT2A receptoragonist;Serotonergic psychedelic;Hallucinogen
ATC code
  • None
Identifiers
  • 2-[3-(difluoromethoxy)-4,5-dimethoxyphenyl]ethan-1-amine
Chemical and physical data
FormulaC11H15F2NO3
Molar mass247.242 g·mol−1
3D model (JSmol)
  • NCCc1cc(OC(F)F)c(c(c1)OC)OC
  • InChI=1S/C11H15F2NO3/c1-15-8-5-7(3-4-14)6-9(10(8)16-2)17-11(12)13/h5-6,11H,3-4,14H2,1-2H3
  • Key:MGKIHHYUCREKFM-UHFFFAOYSA-N

Metadifluoromescaline (MDFM), also known as3-(difluoromethoxy)-4,5-dimethoxyphenylethylamine, is apsychedelic drug of thephenethylamine andscaline families related tomescaline.[3][1][2] It is adifluorinatedderivative of mescaline.[3][1][2] It has a dose of 85 mg or moreorally and aduration of approximately 8 hours.[1][2] The drug is described as being slightly morepotent than mescaline.[3] However, it is said to produce some rather unpleasant effects at the highest assessed dose of 85 mg, includingphysical discomfort,listlessness in the days after taking the drug, and a practical absence ofhallucinogenic effects at this dose.[3][1] MDFM is apartial agonist of theserotonin5-HT2A receptor and also interacts with otherserotonin receptors andtargets.[2][1][3] It was first described in thescientific literature byDaniel Trachsel in 2012.[1][3][2] Subsequently, itspharmacology was studied in greater detail in 2021.[2] It is not acontrolled substance inCanada as of 2025.[4]

See also

[edit]

References

[edit]
  1. ^abcdefgTrachsel D (2012). "Fluorine in psychedelic phenethylamines".Drug Testing and Analysis.4 (7–8):577–590.doi:10.1002/dta.413.PMID 22374819.In comparison to mescaline (22), metadifluoromescaline (MDFM, 75: Ki = 2988nM) has shown a slight increased affinity at the [3H]ketanserin-labelled serotonin h5-HT2A receptor. With 75 (85 mg, ~8 h), an anecdotal report states some rather unpleasant effects.
  2. ^abcdefgKolaczynska KE, Luethi D, Trachsel D, Hoener MC, Liechti ME (2021)."Receptor Interaction Profiles of 4-Alkoxy-3,5-Dimethoxy-Phenethylamines (Mescaline Derivatives) and Related Amphetamines".Frontiers in Pharmacology.12 794254.doi:10.3389/fphar.2021.794254.PMC 8865417.PMID 35222010.
  3. ^abcdefTrachsel D, Lehmann D, Enzensperger C (2013).Phenethylamine Von der Struktur zur Funktion. Nachtschatten Verlag AG. pp. 716,718–719, 723.ISBN 978-3-03788-700-4.
  4. ^"Controlled Drugs and Substances Act".Department of Justice Canada. Retrieved19 January 2026.

External links

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