Schedules of Controlled Substances: Placement of Isotonitazene in Schedule I Posted on November 11, 2021February 1, 2022 By Jeff Teitelbaum Drug Enforcement Administration; November 4, 2021Download final rule Chemistry, Crime Scene Investigation and Reconstruction, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology Tags:DEA