Analysis of (–)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol and (–)-11-nor-9-carboxy-Δ8-tetrahydrocannabinol in hair from a school-age population

• Published in: Journal of analytical toxicology Vol. 49; no. 4; pp. 224 - 230
• Main Authors: Paulsen, Ryan B, Stowe, G. Neil, Schaffer, Michael I, Krohn, Nickolaus
• Format: Journal Article
• Language: English
• Published: England 12.04.2025
• Subjects: Adolescent; Child; Chromatography, Liquid; Dronabinol - analogs & derivatives; Dronabinol - analysis; Female; Hair - chemistry; Humans; Limit of Detection; Male; Substance Abuse Detection - methods; Tandem Mass Spectrometry

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 of hair for both analytes was d...