PSB-SB-1202 structure.png
CAS Number
PubChem CID
Chemical and physical data
Molar mass366.45 g·mol−1
3D model (JSmol)

PSB-SB-1202 is a coumarin derivative which is an agonist at the cannabinoid receptors CB1 and CB2, with a CB1 Ki of 32nM and a CB2 Ki of 49nM.[1] It is also a weak antagonist at the related receptor GPR55, with an IC50 of 6350nM, but has no significant affinity for GPR18.[2]

See also[edit]


  1. ^ Rempel V, Volz N, Hinz S, Karcz T, Meliciani I, Nieger M, et al. (September 2012). "7-Alkyl-3-benzylcoumarins: a versatile scaffold for the development of potent and selective cannabinoid receptor agonists and antagonists". Journal of Medicinal Chemistry. 55 (18): 7967–77. doi:10.1021/jm3008213. PMID 22916707.
  2. ^ Rempel V, Volz N, Gläser F, Nieger M, Bräse S, Müller CE (June 2013). "Antagonists for the orphan G-protein-coupled receptor GPR55 based on a coumarin scaffold". Journal of Medicinal Chemistry. 56 (11): 4798–810. doi:10.1021/jm4005175. PMID 23679955.