Notes: AKB48 is a pentyl indazole with structural similarity to JWH 018 adamantyl carboxamide (Item No. 9001193) and STS-135 (Item No. 11564), which are synthetic cannabinoids that may be sold for recreational use.{22837} AKB48 N-(4-hyroxypentyl) metabolite is an expected phase 1 metabolite of AKB48, based on the known metabolism of similar compounds.{19353} This product is intended for research and forensic applications.