4-fluoro MDMB-BUTINACA butanoic acid metabolite (CRM) (Item No. 28187) is a certified reference material categorized as a synthetic cannabinoid metabolite.1 4-fluoro MDMB-BUTINACA butanoic acid metabolite is a metabolite of 4-fluoro MDMB-BUTINACA (Item No. 26645). This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.
