Perphenazine, sold under the brand name Trilafon, is a typical antipsychotic drug. Perphenazine is roughly five times as potent as chlorpromazine and is considered a medium-potency antipsychotic. This certified Snap-N-Spike^® solution is suitable for use as a starting material in calibrators and controls for numerous GC/MS or LC/MS applications in forensic analysis, clinical toxicology, prescription monitoring and urine drug testing.