Clinical data
AHFS/ International Drug Names
Routes of
ATC code
Legal status
Legal status
CAS Number
PubChem CID
ECHA InfoCard 100.016.521
Chemical and physical data
Formula C22H24FN3O2
Molar mass 381.443 g/mol
3D model (JSmol)
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Benperidol is a drug which is a highly potent butyrophenone derivative. It is the most potent neuroleptic on the European market, with chlorpromazine equivalency as high as 75 to 100 (about 150 to 200% potency in terms of dose compared to haloperidol).[1] It is an antipsychotic, which can be used for the treatment of schizophrenia,[2] but it is primarily used to control antisocial hypersexual behaviour,[3] and is sometimes prescribed to sex offenders as a condition of their parole, as an alternative to anti-androgen drugs such as cyproterone acetate.[4]

Benperidol was discovered at Janssen Pharmaceutica in 1961.

See also


  1. Möller; Müller; Bandelow: Neuroleptika, 2001, WVG; ISBN 3-8047-1773-X (in German)
  2. Bobon J, Collard J, Lecoq R, Benperidol and promazine: a "double blind" comparative study in mental geriatrics, Acta Neurol Belg. 1963 Oct;63:839-43.
  3. British National Formulary (49th), British Medical Association 2005 p 183
  4. Murray MA, Bancroft JH, Anderson DC, Tennent TG, Carr PJ., Endocrine changes in male sexual deviants after treatment with anti-androgens, oestrogens or tranquillizers, Journal of Endocrinology. 1975 Nov;67(2):179-88.
  5. BE 626307 (1963 to Janssen), C.A. 60, 10690c (1964), corresp. to GB 989755.
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