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RS-56812 structure.png
CAS Number
PubChem CID
Chemical and physical data
Molar mass311.377 g/mol g·mol−1
3D model (JSmol)

RS-56812 is a potent and selective partial agonist at the 5HT3 receptor.[1] It has been shown to improve performance on animal tests of memory.[2]


  1. ^ Van Hooft JA, Vijverberg HP. RS-056812-198: partial agonist on native and antagonist on cloned 5-HT3 receptors. European Journal of Pharmacology. 1997 Mar 19;322(2-3):229-33. PMID 9098692
  2. ^ Terry AV Jr, Buccafusco JJ, Prendergast MA, Jackson WJ, Fontana DL, Wong EH, Whiting RL, Eglen RM. The 5-HT3 receptor antagonist, RS-56812, enhances delayed matching performance in monkeys. NeuroReport. 1996 Dec 20;8(1):49-54. PMID 9051751