<div>This stable labeled internal standard is suitable for quantitation of carfentanil in fentanyl GC/MS or LC/MS methods for applications in clinical toxicology, forensic analysis, urine drug testing, pain prescription monitoring or isotope dilution.</div><div>&nbsp;</div><div></div><div>Marketed under the trade name Wildnil&#174; as a general anesthetic for large animals, carfentanil hit the illicit market in 2016 as a new NPS drug or in combination with heroin. Carfentanil, also known as 4-carbomethoxyfentanyl, is a fentanyl analog 10,000 times more potent than morphine, making it one of the most potent synthetic opioids available.</div><div>&nbsp;</div><div><b>This product will be shipped in a can containing one ampoule of C-163-0.5ML due to the compound's acute toxicity.</b>&nbsp;</div>