CLONITAZENE

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Created Apr 2019 | Updated Oct 2020

CLONITAZENE

DEA CODE 9612: Schedule 1 Narcotic

Clonitazene is a synthetic opioid analgesic, structurally related to etonitazene. In the USA clonitazene is a schedule I narcotic controlled substance.

Clonitazene
Duration:

An opioid that is roughly three times as potent as Morphine. Is related to Etonitazene, which is about 1000-1500x the potency of Morphine.

RouteOnsetDurationAfter Effects
Tripsit Factsheets
Oral:10-30 minutes4-8 hours1-8 hours
Clonitazene Duration

Clonitazene is an opioid approximately three times the potency of morphine. It is related to etonitazene, an opioid of about 60 times the potency of morphine. Clonitazene is not currently marketed

  
‘The Next Wave in the Opioid Crisis': A New Drug Stronger Than Fentanyl Is Taking Off - A class of synthetic drugs called nitazines have been around since the 1950s - but are quickly gaining a foothold in street drugs ...
Friday November 14, 2025 - msn.com

Congress Takes Aim at Nitazenes, Synthetic Drugs Far More Potent Than Fentanyl - Potent synthetic opioids up to 500 times stronger than morphine are flooding the US despite rising enforcement. Experts warn only education can cut demand and stop the cycle of lethal new drugs.
Thursday November 13, 2025 - freedommag.org

Is the Result of 'Fentanyl Chemicals' Crackdown, Deadlier Nitazenes? - As if fentanyl isn't bad enough, a series of opioid receptor agonists called nitazines is making its way into the street drug supply. But is this because the chemicals used to make fentanyl are now ...
Wednesday September 20, 2023 - acsh.org

  
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