Phenobarbital-D₅ (deuterium label on ring), 100 μg/mL

An internal standard is suitable for quantitation of phenobarbital levels in GC/MS or LC/MS applications for clinical toxicology, urine drug testing, or forensic analysis. Phenobarbital is a barbiturate used to treat all epileptic seizure types except for absence seizures. Phenobarbital is the oldest and most widely used anticonvulsant.

Recommended Storage Condition
Freeze (-20°C)