Nitazene Control Act of 2025

• •The bill permanently adds '2-Benzylbenzimidazole opioids' (nitazenes) to Schedule I of the Controlled Substances Act.
• •Schedule I classification is reserved for substances with high abuse potential and no accepted medical use.
• •The bill covers specific compounds including etonitazene, clonitazene, metonitazene, isotonitazene, protonitazene, butonitazene, etodesnitazene, flunitazene, N-pyrrolidino etonitazene, N-desethyl isotonitazene, and N-piperidinyl etonitazene.
• •Any nitazene currently under temporary scheduling by the DEA will be automatically converted to permanent Schedule I status upon the bill's enactment.
• •The bill defines the chemical structure of the nitazene class to include various modifications at the 1, 2, and 6 positions of the benzimidazole ring.
• •The bill does not authorize new research on these substances without existing registration and compliance requirements.
• •The bill cites that some nitazenes exceed the potency of fentanyl.

If passed, this bill would permanently criminalize the entire class of nitazene opioids, removing them from the illicit market and subjecting anyone possessing or distributing them to federal Schedule I penalties.

Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.