Schedules of Controlled Substances: Temporary Placement of 2-Fluorodeschloroketamine in Schedule I

What it does

The Administrator of the Drug Enforcement Administration is issuing this notice of intent to publish a temporary order to schedule 2-(2-fluorophenyl)-2-(methylamino)cyclohexan-1-one (commonly known as 2-fluorodeschloroketamine or 2-FDCK), including its salts, isomers, and salts of isomers whenever the existence of such salts, isomers, and salts of isomers is possible within the specific chemical designation, in schedule I of the Controlled Substances Act. When it is issued, the temporary scheduling order will impose the regulatory controls and administrative, civil, and criminal sanctions applicable to schedule I controlled substances on persons who handle (manufacture, distribute, reverse distribute, import, export, engage in research, conduct instructional activities or chemical analysis with, or possess) or propose to handle 2-fluorodeschloroketamine.

The Drug Enforcement Administration's summary, as published in the Federal Register.

What it would change

1 part of Title 21 of the Code of Federal Regulations:

21 CFR 1308

What happens next and when

January 20, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket DEA-2026-0133 on Regulations.gov
• Title 21 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register