[CAS-No. 1218911-16-0] Carisoprodol-D7 is an internal standard used for the quantification of carisoprodol. Carisoprodol, sold under the brand same Soma, is a centrally acting skeletal muscle relaxant responsible for relieving stiffness, pain, and discomfort caused by muscle injuries. Carisoprodol-D7 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.