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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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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