Normethadone Mesylate from China
Normethadone mesylate is employed in pharmacological research as a methadone metabolite analog. It is a salt of normethadone (INN) and is classified under tariff item 2922.31.00 as an amino-ketone salt with an oxygen function, per chapter note 5(C)(1).
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is for legitimate research or pharmaceutical use and not for illicit purposes, as normethadone is controlled
• Provide a detailed end-use statement to CBSA if required
• Verify the mesylate salt is correctly identified on the safety data sheet and customs invoice