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Not to be confused with Flephedrone.
Systematic (IUPAC) name
Clinical data
Legal status
Routes of
Oral, intranasal, intravenous
CAS Number 1049677-77-1 YesY
PubChem CID: 53415330
ChemSpider 27523958
Chemical data
Formula C10H12FNO
Molecular mass 181.209 g/mol
 YesY (what is this?)  (verify)

3-Fluoromethcathinone (also known as 3-FMC) is a stimulant of the phenethylamine, amphetamine and cathinone chemical classes that has been sold online as a designer drug.[1][2] It is an structural isomer of flephedrone (4-fluoromethcathinone).

3-Fluoroisomethcathinone is produced as a by-product when 3-FMC is synthesized, the activity of this compound is unknown.[3]


This chemical's psychoactive effects are yet to be studied scientifically; however, it is suspected to be much like mephedrone, though it is also suspected to lack entactogenic quality.[3]

Legal status[edit]

In the United States, 3-FMC is Schedule I controlled substance.[4]

In the United Kingdom, 3-FMC is a controlled drug under the cathinone blanket ban.

3-FMC is a Anlage II controlled drug in Germany.

See also[edit]


  1. ^ Peter Ondra, Ivo Válka, Radim Knob, Pavlína Ginterová, Vítězslav Maier (October 2015). "Analysis of Amphetamine-Derived Designer Drugs by Gas Chromatography with Mass Spectrometry". Journal of Analytical Toxicology. doi:10.1093/jat/bkv113. PMID 26446487. 
  2. ^ "Fluoromethcathinone, a new substance of abuse.". Forensic Sci. Int. 185 (1-3): 10–20. March 2009. doi:10.1016/j.forsciint.2008.11.013. PMID 19195800. 
  3. ^ a b Two cases of confirmed ingestion of the novel designer compounds: 4-methylmethcathinone (Mephedrone) and 3-fluoromethcathinone Susannah Davies et al.
  4. ^ Schedules of Controlled Substances: Temporary Placement of 10 Synthetic Cathinones Into Schedule I