4'-Amino-2'-hydroxychalcone from United States
4'-Amino-2'-hydroxychalcone is an aromatic amino-ketone chalcone derivative with enone functionality counted as a single oxygen function. It is used in research for anti-inflammatory and anticancer applications. The product is classified under tariff item 2922.39.00 as an oxygen-function amino-ketone.
Duty Rate — United States → Canada
0%
Import Tips
• Document that the enone functionality is counted as a single oxygen function under Chapter 29 note 4, supporting classification under 2922.39.00
• Provide the chemical structure and purity data to support classification as a chemically defined compound
• If imported for research purposes, verify whether an import permit is required under the Canadian Environmental Protection Act