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Justice Department
U.S. Federal Government (Executive)
Rule

Schedules of Controlled Substances: Rescheduling of Suvorexant, Lemborexant, and Daridorexant From Schedule IV Into Schedule V

Comment period closed

The comment period closed Sep 10, 2026.

The Drug Enforcement Administration proposes to transfer suvorexant ([(7R)-4-(5-chloro-1,3-benzoxazol-2-yl)-7-methyl-1,4- diazepan-1-yl]-[5-methyl-2-(triazol-2-yl)phenyl]methanone), lemborexant ((1R,2S)-2-[(2,4-dimethylpyrimidin-5-yl)oxymethyl]-2-(3-fluorophenyl)- N-(5-fluoropyridin-2-yl)cyclopropane-1-carboxamide), and daridorexant ([(2S)-2-(5-chloro-4-methyl-1H-benzimidazol-2-yl)-2-methylpyrroli

Summary from the Federal Register.

Full history

  1. Aug 11, 2026

    Rule published

    Schedules of Controlled Substances: Rescheduling of Suvorexant, Lemborexant, and Daridorexant From Schedule IV Into Schedule V

    Justice Department

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Source

From the Federal Register. This record was last updated Sep 24, 2026. About our data

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A rule from Justice Department. Agora lists the comment window as the Federal Register gives it.

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