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4-Fluoromethcathinone: Wikis


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1 : 1 mixture (racemate)
Systematic (IUPAC) name
ATC code  ?
Chemical data
Formula C10H12FNO 
Mol. mass 181.206
SMILES eMolecules & PubChem
Therapeutic considerations
Pregnancy cat.  ?
Legal status Illegal in Denmark
Routes Oral

Flephedrone, also known as 4-fluoromethcathinone (4-FMC), is a stimulant drug of the phenethylamine, amphetamine, and cathinone chemical classes.



Flephedrone started to be sold as a designer drug in 2008, along with its structural isomer 3-fluoromethcathinone (3-FMC).[1][2]

Racemic 3-fluoromethcathinone
CAS# 1049677-77-1


Flephedrone has only a short history of human use and its toxicity is not well established, however it appears to be similar in action to mephedrone, which has been noted for adverse effects. Hyperthermia, convulsions and other typical complications may be expected in overdose.


Flephedrone has been illegal in Denmark since December 2008.[citation needed]

Flephedrone has been illegal in Romania since feb 2010.

See also


  1. ^ Davies S. Drug Trends and New Designer Drugs. St George's University of London. 6th November 2008.
  2. ^ Archer RP. Fluoromethcathinone, a new substance of abuse. Forensic Science International. 2009 Mar 10;185(1-3):10-20. PMID 19195800


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