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3-hydroxycyclopent-1-enecarboxylic acid.svg
CAS number 867178-11-8 YesY
ChemSpider 26333262
Jmol-3D images Image 1
Molecular formula C6H8O3
Molar mass 128.13 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

HOCPCA (3-hydroxycyclopent-1-enecarboxylic acid) is a compound with an affinity for the GHB receptor 39 times greater than that of GHB itself.[1]

See also[edit]


  1. ^ Wellendorph P, Høg S, Greenwood JR, de Lichtenberg A, Nielsen B, Frølund B, Brehm L, Clausen RP, Bräuner-Osborne H (2005). "Novel Cyclic γ-Hydroxybutyrate (GHB) Analogs with High Affinity and Stereoselectivity of Binding to GHB Sites in Rat Brain" (pdf). The Journal of Pharmacology and Experimental Therapeutics 315 (1): 346–351. doi:10.1124/jpet.105.090472. PMID 16014570.