Part IIFinal RegulationVolume 159, Number 9Published: May 6, 2026

Temporary scheduling of Spirobrorphine and Spirochlorphine

Order Amending the Food and Drug Regulations and the Controlled Substances Regulations (Spirobrorphine and Spirochlorphine): SOR/2026-72

This Order adds Spirobrorphine and Spirochlorphine (and their salts) to the Food and Drug Regulations from 2026-06-05 to 2026-09-30 and to the Controlled Substances Regulations from 2026-10-01 to 2027-06-04. The change alters how these substances may be manufactured, imported, sold, tested or possessed during those temporary periods, affecting researchers, manufacturers, health facilities and enforcement agencies.

Published
May 6, 2026
Department
Unavailable
Section
Order Amending the Food and Drug Regulations and the Controlled Substances Regulations (Spirobrorphine and Spirochlorphine)
Comment deadline
Unavailable
Effective date
June 5, 2026
Publication part
Part II

Summary

Summary#

This Order adds the two substances Spirobrorphine and Spirochlorphine to schedules in Canada’s drug rules for short, set periods. It puts them into the Food and Drug Regulations from June 5, 2026 to September 30, 2026, and into the Controlled Substances Regulations from October 1, 2026 to June 4, 2027.

What it does#

  • Adds Spirobrorphine (chemical name shown in the order) and Spirochlorphine (chemical name shown in the order) and their salts to Part III of the schedule to Part J of the Food and Drug Regulations for the period June 5, 2026 to September 30, 2026.
  • Adds the same two substances and their salts to Part 3 of Schedule 4 to the Controlled Substances Regulations for the period October 1, 2026 to June 4, 2027.
  • The Order as a whole comes into force on June 5, 2026, except the addition to the Controlled Substances Regulations, which comes into force on October 1, 2026.

Who's affected#

  • Companies or people who make, import, sell or handle Spirobrorphine or Spirochlorphine and their salts.
  • Health-care settings, laboratories, pharmacies, and distributors that might work with or test for these substances.
  • Police, border services, and regulators who enforce drug and health rules.
  • Anyone else working with these substances for research, manufacturing or clinical use.

If it is unclear whether a specific activity is covered, the Order itself is the legal source for exact details.

Why it matters#

  • The Order changes how these two substances are treated by Canada’s drug and health rules for defined time windows. That can affect whether they can be legally sold, tested, moved, or used without permissions.
  • Short, temporary scheduling like this is often used to address new or emerging substances quickly. It can affect public health monitoring, research plans, business operations, and enforcement priorities during the listed periods.

Key topics

Food and Drug RegulationsControlled Substances RegulationsPart III of the schedule to Part J (Food and Drug Regulations)Part 3 of Schedule 4 (Controlled Substances Regulations)SpirobrorphineSpirochlorphinesalts of Spirobrorphine and SpirochlorphineHealth CanadaMinister of Healthdrug schedulingcontrolled substancestemporary schedulingchemical substancespublic health

Source: Canada Gazette

Official source