6-Acetylmorphine HCl. trihydrate, also known as 6-MAM or 6-monoacetylmorphine, is one of three active metabolites of heroin. Its presence in urine confirms the use of heroin. 6-Acetylmorphine.HCL.trihydrate 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.