Control of a chemical precursor used in the illicit manufacture of fentanyl as a List I chemical. Final rule.

The Drug Enforcement Administration (DEA) is finalizing the Interim Rule with Request for Comment published in the Federal Register on April 23, 2007. The Interim Rule controlled the chemical N-phenethyl-4- piperidone (NPP) as a List I chemical under the Controlled Substances Act. Clandestine laboratories are using this chemical to illicitly manufacture the schedule II controlled substance fentanyl. No comments to the Interim Rule were received. This Final Rule finalizes the regulations without change.