4-ANPP, also known as Despropionyl fentanyl, is an intermediate in the synthesis of fentanyl and related opioids and is often found as an impurity in fentanyl preparations. This stable-labeled internal standard is suitable for quantification of 4-ANPP levels in urine or other matrices by LC/MS or GC/MS for clinical toxicology, forensic analysis, prescription monitoring, or urine drug testing applications. This Certified Spiking Solution® is supplied in a convenient US DEA-exempt solution format.
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CERILLIANT is a registered trademark of Merck KGaA, Darmstadt, Germany
CERTIFIED SPIKING SOLUTION is a registered trademark of Cerilliant Corporation
Snap-N-Shoot is a registered trademark of Cerilliant Corporation
Snap-N-Spike is a registered trademark of Merck KGaA, Darmstadt, Germany
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