Dextromethorphan is an antitussive compound showing analgesic properties. Used in cough medication formulations.Synonyms:(9a,13a,14a)-3-Methoxy-17-methylmorphinan3-Methoxy-17-methyl-9a,13a,14a-morphinan; (+)-3-Methoxy-17-methylmorphinan; (+)-Dextromethorphan; Ba 2666; DEX; Dextromethorphan; Nodex; d-MethorphanCAS Number:125-71-3Molecular Formula:C₁₈H₂₅NOMolecular Weight:271.40Appearance:Supplied as a white to off-white powder.Purity (HPLC):≥97%Loss on Drying:≤5%Storage and Stability:Lyophilized powder may be stored at 4°C. Stable for 6 months after receipt at 4°C. Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.