5F-AKB57 is a new and legal replacemeent for 5F-AKB48 which is a well trusted and established chemical. 5F-AKB-57 is a potent stimulator of cannabinoid receptors CB1 and CB2. It produces similar effects to Cannabis. Cas No: Formula: IUPAC: (3s,5s,7s)-adamantan-1-yl 1-(5-fluoropentyl)-1H-indazole-3-carboxylate Appearance: Purity: