A stable-labeled internal standard suitable in LC/MS or GC/MS applications for cannabinoid testing, urine drug testing, clinical toxicology, or isotope dilution methods. 11-Hydroxy- Δ9-THC is an active metabolite of THC and metabolic precursor to 11-nor-9-carboxy-Δ9-THC. This cannabinoid biomarker is found in biological matrices including urine, blood, and plasma.
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CERILLIANT is a registered trademark of Merck KGaA, Darmstadt, Germany
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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Analysis of drugs and their metabolites in biofluids usually demands the application of sample preparation methods that allow for full isolation of analyzed substances from the matrix. The purpose of this study was to develop a method using the QuEChERS
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