ADB-5'Br-BUTINACA-d9 (CRM) is intended for use as an internal standard for the quantification of ADB-5'Br-BUTINACA (Item Nos. 40617 | 36770) by GC- or LC-MS. ADB-5'Br-BUTINACA is categorized as a synthetic cannabinoid.1 This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.