α-Hydroxyalprazolam-D₅, 1.0 mg/mL

This stable-labeled internal standard is suitable for quantitation of α-hydroxyalprazolam levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, forensic analysis, or isotope dilution methods. α-Hydroxyalprazolam is a major urinary metabolite of alprazolam, a benzodiazepine drug approved to treat panic and other anxiety disorders including generalized or social anxiety disorder.

Recommended Storage Condition
Freeze (-20°C)