Commission Delegated Regulation (EU) 2025/1475 of 21 May 2025 amending Regulation (EC) No 273/2004 of the European Parliament and of the Council and Council Regulation (EC) No 111/2005 as regards the inclusion of the drug precursors 4-piperidone and 1-boc-4-piperidone in the list of scheduled substances

Amendments to Regulation (EC) No 273/2004

Article 1

Annex I to Regulation (EC) No 273/2004 is amended in accordance with Annex I to this Regulation.

Amendments to Regulation (EC) No 111/2005

Article 2

The Annex to Regulation (EC) No 111/2005 is amended in accordance with Annex II to this Regulation.

Entry into force

Article 3

This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .

ANNEX ISupplementary provisions

ANNEX I In Annex I to Regulation (EC) No 273/2004, in the table for Category 1, the following entries are inserted in the list of substances in the appropriate place sequentially according to the CN Code: Substance CN designation (if different) CN Code CAS No ‘4-piperidone Piperidin-4-one 2933 39 99 41661-47-6’ ‘1-boc-4-piperidone tert-butyl 4-oxopiperidine-1-carboxylate 2933 39 99 79099-07-3.’

ANNEX IISupplementary provisions

ANNEX II In the Annex to Regulation (EC) No 111/2005, in the table for Category 1, the following entries are inserted in the list of substances in the appropriate place sequentially according to the CN Code: Substance CN designation (if different) CN Code CAS No ‘4-piperidone Piperidin-4-one 2933 39 99 41661-47-6’ ‘1-boc-4-piperidone tert-butyl 4-oxopiperidine-1-carboxylate 2933 39 99 79099-07-3’