1S,2R(+)-Ephedrine-D₃ HCl, 100 μg/mL (as free base)

A stable-labeled internal standard suitable for quantitation of ephedrine levels by LC/MS or GC/MS for a variety of testing applications from clinical toxicology or forensic analysis to quality control testing of dietary supplements containing ephedrine.  

Recommended Storage Condition
Freeze (-20°C)