Automated Extraction and LC-MS/MS Analysis of 11-Nor-9-carboxy-tetrahydrocannabinol Isomers and Prevalence in Authentic Urine Specimens.
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DOI: 10.1093/jat/bkae031
Abstract: 11-Nor-9-carboxy-Δ9-tetrahydrocannabinol (Δ9-THCCOOH) is the most frequently detected illicit drug metabolite in the military drug testing program. An increasing number of specimens containing unresolved Δ8-THCCOOH prompted the addition of this analyte to the Department of Defense… read more here.
Keywords: carboxy tetrahydrocannabinol; urine specimens; extraction analysis; thccooh ... See more keywords
Analysis of (-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol and (-)-11-nor-9-carboxy-Δ8-tetrahydrocannabinol in hair from a school-age population.
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DOI: 10.1093/jat/bkaf020
Abstract: A sensitive liquid chromatography tandem mass spectrometry method for the detection of (-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol and (-)-11-nor-9-carboxy-Δ8-tetrahydrocannabinol in hair with a cutoff of 1 pg/10 mg of hair and a limit of quantitation of 0.2 pg/10 mg… read more here.
Keywords: carboxy tetrahydrocannabinol; tetrahydrocannabinol; hair; population ... See more keywords