Salicylic Aldehyde Carboxylic Acid Derivative from Mexico
Specialty aromatic monocarboxylic acid derivatives used in fine chemical synthesis. HTS 2916.39.79.00 captures niche aromatic acids not elsewhere specified. Chemically pure per Chapter 29 definitions.
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
• Require manufacturer's structural formula confirmation for Customs review
• Batch testing for heavy metals essential for pharma intermediates
• Avoid anti-dusting agents that trigger Chapter 29 note (g) review