5-Amino-2-hydroxyacetophenone from Mexico
5-Amino-2-hydroxyacetophenone contains amino, hydroxy, and ketone functions but classified by single principal ketone oxygen function under 2922.39.4500. Aromatic structure with multiple potential functions follows chapter priority rules.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Chapter note 3 requires latest numerical heading for multi-function compounds
• Tautomer analysis may be needed for hydroxy-amino proximity
• pH-sensitive; specify anhydrous form