2-(4-Aminobenzoyl)thiophene from Japan
2-(4-Aminobenzoyl)thiophene is an aromatic amino-ketone with a thiophene heterocycle, where the ketone oxygen function and amino group determine classification. Despite the heterocyclic ring, the amino-ketone functionality takes precedence under this tariff item. It is used as a research chemical in organic synthesis.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide a detailed chemical structure and CAS number on the customs declaration to avoid misclassification
• Confirm whether the product is for research use only, as this may affect documentation requirements
• Check if the product is subject to the Canadian Environmental Protection Act (CEPA) for new substances