Butylone-D3.HCl is an internal standard used for the quantification of butylone.HCl. Butylone.HCl is a designer stimulant drug categorized as a cathinone. Also known as bk-MBDB, butylone.HCl is a metabolite of bk-DMBDB with no currently accepted medical use. However, it is often detected in bath salts. Butylone-D3.HCl is available as reference material (bulk powder and/or solution) and as calibrated, Ready-to-Use, certified reference material (CRM). This product is designed for qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications.