• Robert D Johnson, Sabra R Botch-Jones, Tiffany Flowers, and Connie A Lewis.
• Tarrant County Medical Examiner's Office, 200 Feliks Gwozdz Pl, Fort Worth, TX 76104, USA rdjohnson@tarrantcounty.com.
• J Anal Toxicol. 2014 Oct 1;38(8):479-84.

AbstractAs potent serotonin (5-HT2A) receptor agonists, the NBOMe class of drugs including 25B-, 25C-, 25D-, 25H-, 25I- and 25T2-NBOMe is frequently abused due to the intense hallucinations that they induce. From the limited literature available, the concentration of these NBOMe compounds reported in postmortem cases is exceedingly low. In most instances, published concentrations are <0.50 ng/mL. Therefore, the need for a sensitive, rapid and comprehensive analytical method for the quantification of these compounds was evident. In addition to the more publicized analog 25I-NBOMe, evaluation of 25B-, 25C-, 25D-, 25H and 25T2- in whole blood, plasma and urine was conducted. This publication presents the data obtained from the validation of a liquid chromatography-tandem mass spectrometry method for the simultaneous quantification of these six NBOMe analogs. The method utilizes ultra-performance liquid chromatography technology for the separation followed by positive electrospray ionization of each analog. Limits of quantification for these analogs ranged from 0.01 to 0.02 ng/mL (10-20 pg/mL) with typical linear dynamic ranges of 0.01-20 ng/mL. Data for recovery, intraday control accuracy and precision, matrix effects, ion suppression/enhancement and analyte stability are included. Validation was completed in whole blood, plasma and urine. Short run times and high sensitivity afforded by this newly validated analytical method that allows for the detection of these six analogs in the most common toxicological matrices and can be applied to both ante- and postmortem specimens.© The Author 2014. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

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