title: 5F-AB-PINACA
text: # 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 $CB_1$ receptor and $CB_2$ receptor with $EC_{50}$ values of 0.48 nM and 2.6 nM respectively. Its metabolism has been described in literature.
  
  ## Legality
  
  ### China
  
  As of October 2015 5F-AB-PINACA is a controlled substance in China.
  
  ### Germany
  
  5F-AB-PINACA is an Anlage II controlled substance in Germany as of May 2015.
  
  ### Singapore
  
  It is also controlled under the Fifth Schedule of the Misuse of Drugs Act (MDA) in Singapore as of May 2015.
  
  