5cl-ADB is the new popular cannabinoids with strong quality, 4F-ADB is available to experienced researchers who have previously worked with potent Synthetic Cannabinoids Research Chemicals. it has similar effect with ADB-PINACA. ADB-PINACA is an analog of AKB48, it is a synthetic cannabinoid recently identified in herbal products.1 Variations of ADB-PINACA have been synthesized including derivatives that include a fluorine atom added to the terminal carbon of the pentyl group. 4F-ADB is an analog of a fluorinated ADB-PINACA derivative in which the terminal amide has been replaced with a methyl ester. the IUPAC name for 4F-ADB is methyl (R)-2-(1-(5-fluoropentyl)-1H-indazole-3-carboxamido)-3,3-dimethylbutanoate, and the Formula is C20H28N4O2, the purity of our 4F-ADB is not less than 99.7%, 4F-ADB is becoming more and more popular cannabinoids with great properties. 4F-ADB not intended for human or animal consumption and should be used in controlled settings for scientific or forensic research studies.