Lorazepam-D₄, 100 μg/mL

A stable-labeled internal standard is suitable for quantitation of lorazepam levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, or forensic analysis. Lorazepam, also known by trade names Ativan or Orfidal, is a benzodiazepine often prescribed for the treatment of anxiety disorders.

Recommended Storage Condition
Freeze (-20°C)