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Index/Topics/Regulatory Actions 2019-2023

Regulatory Actions 2019-2023

The international scheduling moves and national updates to capture analogues and derivatives of fentanyl precursors, including the addition of phenethyl bromide, propionyl chloride, and sodium borohydride to the Special Surveillance List.

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Jan 25, 2026

What novel precursors are trafficked for fentanyl synthesis since 2020?

Since 2020 investigators and analysts have documented a rapid expansion in the array of precursor chemicals trafficked to support illicit manufacture—ranging from well-known intermediates like ANPP/4‑...