Clinical data
Trade names Tolopelon
AHFS/Drugs.com International Drug Names
Routes of
By mouth
ATC code
  • none
Legal status
Legal status
  • In general: ℞ (Prescription only)
CAS Number
PubChem CID
ECHA InfoCard 100.055.328
Chemical and physical data
Formula C22H24FN3OS
Molar mass 397.50 g/mol
3D model (JSmol)
 NY (what is this?)  (verify)

Timiperone, sold under the brand name Tolopelon, is an antipsychotic of the butyrophenone class which is marketed in Japan.[1][2][3] It is similar in chemical structure to benperidol but has a thiourea group instead of a urea group.


  1. Index Nominum 2000: International Drug Directory. Taylor & Francis. 2000. pp. 1030–. ISBN 978-3-88763-075-1.
  2. Yamasaki, T; Kojima, H; Tanaka, M; et al. (1981). "Pharmacological studies on timiperone, a new neuroleptic drug Part II: General pharmacological properties". Arzneimittelforschung. 31: 707–15. PMID 6113834.
  3. "Effect of Timiperone, a New Antipsychotic Drug, on the Sleep-Wakefulness Cycle in Cats". The Japanese Journal of Pharmacology. 39 (3): 391–394. 1985.

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