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Systematic (IUPAC) name
2-(3-methyl-2-phenylmorpholin-4-yl)ethyl 2-phenylbutanoate
Clinical data
Legal status
  • (Prescription only)
Routes of
CAS Registry Number 4378-36-3
ATC code None
PubChem CID: 20395
ChemSpider 19210
UNII BKY8H56395 YesY
Chemical data
Formula C23H29NO3
Molecular mass 367.48 g/mol

Fenbutrazate (INN), also known as phenbutrazate (BAN), is a psychostimulant used as an appetite suppressant under the trade names Cafilon, Filon, and Sabacid in Europe, Japan, and Hong Kong.[1][2] It is a derivative of phenmetrazine and may function as a prodrug to it similarly to phendimetrazine.[3] It is not known to be a controlled substance anywhere in the world yet.

See also[edit]


  1. ^ Triggle, D. J. (1996). Dictionary of Pharmacological Agents. Boca Raton: Chapman & Hall / CRC. p. 875. ISBN 0-412-46630-9. 
  2. ^ Keup, W. (1986). "Use, indications and distribution in different countries of the stimulant and hallucinogenic amphetamine derivatives under consideration by WHO". Drug and Alcohol Dependence 17 (2–3): 169–192. doi:10.1016/0376-8716(86)90007-4. PMID 2874968. 
  3. ^ "WHO Expert Committee on Drug Dependence - 22nd Report" (PDF). World Health Organization Technical Report Series 729. Geneva: World Health Organization. 1985. ISBN 9241207299. ISSN 0512-3054.