N-Phenylurea Derivative PUD-7 from Mexico
PUD-7 is a chemically defined aromatic ureine derivative used in agrochemical synthesis as a pesticide intermediate. Classified under HTS 2924.21.4500 for 'other' aromatic cyclic amides/ureines per Chapter 29 hierarchy, last numerical order rule. Excludes mixtures or retail colorants per chapter exclusions.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
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
• Submit structural formula and IUPAC name in entry docs; CBP often requests for ureine verification
• Ensure no added stabilizers render it specific-use per note (f); pure forms only
• Avoid bulk packaging mimicking Chapter 38 preparations; pitfall leads to 3824 reclassification