D(-)-p-Hydroxyphenylglycine Lysine Salt from Mexico
Lysine salt form of d(-)-p-Hydroxyphenylglycine, an organic-organic salt under HTS 2922.50.11.00 via Chapter 29 note (C)(2) prioritizing later numerical heading. Employed in nutritional-pharma hybrid synthesis.
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
• Specify which component determines heading per note (C)(2)
• Dual pharmacopeia compliance if USP-listed components
• Not for animal feed to prevent Chapter 23/31 shift