Trazodone-D6.HCl is an internal standard used for the quantification of Trazadone.HCl. Trazodone.HCl, sold under brand names such as Desyrel and Oleptro, is a synthetic triazolopyridine and inhibitor of serotonin reuptake. This antidepressant drug is used to treat schizoaffective disorders, major depressive disorder, insomnia, and anxiety disorders. Trazodone-D6.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.