HOCPCA

{{short description|Chemical compound}}

{{Chembox

| ImageFile = 3-hydroxycyclopent-1-enecarboxylic acid.svg

| ImageSize = 180px

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| PIN = 3-Hydroxycyclopent-1-ene-1-carboxylic acid

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|Section1={{Chembox Identifiers

| CASNo = 867178-11-8

| CASNo_Ref = {{cascite|correct|}}

| PubChem = 21750168

| ChEMBL = 2431324

| ChemSpiderID = 26333262

| SMILES = C1CC(=CC1O)C(=O)O

| StdInChI = 1S/C6H8O3/c7-5-2-1-4(3-5)6(8)9/h3,5,7H,1-2H2,(H,8,9)

| StdInChIKey = VKJGQKRRULDFCI-UHFFFAOYSA-N

}}

|Section2={{Chembox Properties

| C=6 | H=8 | O=3

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|Section3={{Chembox Hazards

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HOCPCA (3-hydroxycyclopent-1-enecarboxylic acid) is a compound with an affinity for the GHB receptor 39 times greater than that of GHB itself.{{ cite journal |vauthors=Wellendorph P, Høg S, Greenwood JR, de Lichtenberg A, Nielsen B, Frølund B, Brehm L, Clausen RP, Bräuner-Osborne H | title = Novel Cyclic γ-Hydroxybutyrate (GHB) Analogs with High Affinity and Stereoselectivity of Binding to GHB Sites in Rat Brain | journal = The Journal of Pharmacology and Experimental Therapeutics | year = 2005 | volume = 315 | issue = 1 | pages = 346–351 | doi = 10.1124/jpet.105.090472 | pmid = 16014570 }}