Metonitazene is a potent synthetic opioid bearing structural resemblance to etonitazene, a synthetic opioid that is nationally and internationally controlled. Metonitazene is dissimilar in structure to other synthetic opioids typically…
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Fluorofentanyl was identified as early as 2016 in the U.S. and Europe, but overall detections remained low until recent months. Positivity of para-fluorofentanyl began increasing in Q3 2020 and within…
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Brorphine is a potent synthetic opioid with structural resemblance to fentanyl and its analogues. However, brorphine is not controlled in the U.S. under core-structure scheduling of fentanyl related substances. Recent…
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Isotonitazene has been identified in eight blood specimens associated with postmortem death investigations in the United States since August 2019. Isotonitazene was first reported in August 2019 based on the…
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