cpccoet cpccoet cpccoet is a drug used in scientific research, which acts as a non-competitive antagonist at the metabotropic glutamate receptor subtype mglur1, with high selectivity although only moderate binding affinity. it is used mainly in basic research into the function of the mglur1 receptor, including the study of behavioural effects in animals including effects on memory and addiction. cpccoetidentifiers iupac name (−)-ethyl (7e)-7-hydroxyimino-1,7a-dihydrocyclopropachromene-1a-carboxylate cas number179067-99-3 ypubchem cid6278000iuphar/bps1382chemblchembl337583 nchemical and physical dataformulac13h13no4molar mass247.250 g·mol−13d model (jsmol)interactive image smiles ccoc(=o)c23oc1ccccc1\c(=n\o)\c2c3 ny (what is this?) (verify)