Coumachlor (3-(α-acetonyl-4-hydroxycoumarin)) from Mexico
Coumachlor is a 4-hydroxycoumarin derivative used as a rodenticide anticoagulant. It has a core 4-hydroxycoumarin lactone structure with aromatic heterocyclic oxygen atoms. As a separate chemically defined organic compound, it falls under tariff item 2932.20.00 for lactones.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the coumachlor is a pure active ingredient, not a formulated product
• If it is mixed with other substances for use as a rodenticide, Chapter 38 may apply
• Provide the chemical name and CAS number to the CBSA for classification support