Clonitazene is an opioid analgesic of approximately three times the potency of morphine.

[2] It is related to etonitazene, an opioid of significantly higher potency.

Clonitazene is not currently marketed.

It is a controlled substance; in the United States it is a Schedule I Narcotic controlled substance with a DEA ACSCN of 9612 and an established manufacturing quota of 25 grams for 2022.

This analgesic-related article is a stub.