Equimolecular mixture of (1S,3R)- and (1R,3S)-ACPD. Selective agonist for metabotropic glutamate receptors; active at both group I and group II mGlu receptors (EC50 values are 2, 15, 23 and ~800 μM at mGluR2, mGluR1, mGluR5 and mGluR4 respectively). (1S,3R)-ACPD (Cat. No. 0284) and cis-ACPD (Cat. No. 0186) also available.