4-(4-Aminophenylthio)acetophenone from Mexico
4-(4-Aminophenylthio)acetophenone features amino-aromatic-thioether-ketone structure. Ketone oxygen function with aromatic amino qualifies for 2922.39.4500; sulfur not directly classified here. Pharmaceutical intermediate.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Sulfur linkage doesn't trigger organo-sulfur heading 2930 per notes
• Odor characteristics require sealed packaging declaration
• Light-sensitive; specify amber container requirements