[CAS Number 70420-71-2] Codeine-D3 hydrochloride is a stable-labeled internal standard used for the quantification of Codeine.HCl. Codeine.HCl is classified as an opioid agonist with analgesic, antidiarrheal, and antitussive properties. Sometimes referred to as a narcotic, Codeine.HCl is used to treat moderate to severe pain and reduce coughing when combined with other medicines. Similar to other opioids, Codeine.HCl is commonly abused. Codeine-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 qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications.