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Clinical data
Routes of
Oral, intranasal, intravenous
Legal status
Legal status
Synonyms 3-FMC, 3- Fluoromethcathinone
CAS Number
PubChem CID
Chemical and physical data
Formula C10H12FNO
Molar mass 181.209 g/mol
3D model (Jmol)
 NYesY (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 a 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 other methcathinones is likely a releaser or reuptake inhibitor of Catecholamines. 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 an Anlage II controlled drug in Germany.

3-FMC is banned in the Czech Republic.[5]

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: bkv113. doi:10.1093/jat/bkv113. PMID 26446487. 
  2. ^ Archer RP (March 2009). "Fluoromethcathinone, a new substance of abuse.". Forensic Sci. Int. 185 (1-3): 10–20. 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
  5. ^ "Látky, o které byl doplněn seznam č. 4 psychotropních látek (příloha č. 4 k nařízení vlády č. 463/2013 Sb.)" (PDF) (in Czech). Ministerstvo zdravotnictví.