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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Clonazolam (also called clonitazolam) first emerged in the recreational drug supply in 2014 (Europe) and 2016 (United States). Like many NPS, clonazolam was first synthesized during drug development in 1971…
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MDMB-4en-PINACA was first identified in toxicology casework in the United States in September 2019; however, its emergence dates back earlier to seized drug testing from Europe in June 2018. MDMB-4en-PINACA…
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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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