5F-AB-PINACA

5F-AB-PINACA is an indazole-based synthetic cannabinoid that is derived from a series of compounds originally developed by Pfizer in 2009 as an analgesic medication, and has been sold online as a designer drug.

5F-AB-PINACA has been reported to be a potent agonist of the CB1 receptor and CB2 receptor with EC50 values of 0.48 nM and 2.6 nM respectively. Its metabolism has been described in literature

5F-AB-PINACA also known as 5-Fluoro-AB-PINACA with the IUPAC name of N-(1-amino-3-methyl-1-oxobutan-2-yl)-1-(5-fluoropentyl)-1H-indazole-3-carboxamide is a white powder. The chemical formula is C18H25FN4O2 with a molecular weight of 349.42 g/mol and a 99% purity with a melting point of 85.3 °C.