(+)-Ephedrine-D3.hydrochloride is an internal standard used for the quantification of (+)-ephedrine.HCl. (+)-Ephedrine.HCl is a substituted amphetamine often used to prevent low blood pressure and weight gain. It is a precursor for the production of methamphetamine. (+)-Ephedrine-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 use in qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications. Ephedrine.HCl is a list 1 product. Synonym(s): 1S,2R(+)-Ephedrine-D3.HCl.