[CAS Number 112898-42-7] Imipramine-D3.maleate is a stable-labeled internal standard used for the quantification of imipramine. Imipramine is a synthetic tricyclic antidepressant (TCA), also known as melipramine. Sold under the brand name Tofranil, imipramine is prescribed to treat major depression, panic disorders, and childhood enuresis. Imipramine-D3.maleate 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.