5F-CUMYL-PINACA (also known as SGT-25 and sometimes sold as C-Liquid) is an indazole-3-carboxamide based synthetic cannabinoid. 5F-CUMYL-PINACA acts as a potent agonist for the cannabinoid receptors, with approximately 4x selectivity for CB1, having an EC50 of <0.1nM for human CB1 receptors and 0.37nM for human CB2 receptors.
Sweden's public health agency suggested classifing 5F-CUMYL-PINACA as a hazardous substance on November 10, 2014.