N-Acetyl-4-Aminophenol (Paracetamol Intermediate) from Mexico
N-Acetyl-4-aminophenol, a derivative ether/ester of amino-phenol with acetyl oxygen function, remains under 2922.29 as it contains only one kind of oxygen function beyond the phenol. Key precursor for acetaminophen synthesis. Covered by additional U.S. note 3 for this subheading.
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
• Include FDA Drug Master File references if destined for pharmaceutical use to expedite customs
• Declare exact ether/ester structure to prevent shift to heading 2917 for acyclic polycarboxylic derivatives
• Ensure no added solvents render it a preparation under Chapter 38