p-Anisic Acid from Mexico
p-Anisic acid (4-methoxybenzoic acid) is a pure aromatic monocarboxylic acid specified in additional U.S. note 3 to section VI, imported under HTS 2916.39.46.00. Common intermediate in organic synthesis and perfume chemistry.
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
• Perfume intermediate requires odor profile documentation
• Melting point 183-186°C specification confirms identity
• CAS 100-17-4 prevents methoxybenzene (2909) misclassification