Esculetin (6,8-Dihydroxy-2H-1-benzopyran-2-one) from United States
Esculetin (6,8-Dihydroxy-2H-1-benzopyran-2-one) is a coumarin derivative with a fused heterocyclic system containing oxygen hetero-atoms only. It is a separate chemically defined compound, falling under tariff item 2932.99.00 as an 'Other' oxygen heterocycle.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not a glycoside or other derivative that would be classified in heading 29.40
• Provide a certificate of analysis showing the chemical structure and purity for CBSA