Camphoric Acid from Mexico
Camphoric acid is a cyclanic monocarboxylic acid derived from camphor, used in organic synthesis and as an intermediate for pharmaceuticals. It falls under HTS 2916.20.50.00 as a cyclanic monocarboxylic acid that is not specifically enumerated elsewhere in the subheading. Its saturated cyclic structure distinguishes it from unsaturated cyclic acids.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• Verify purity certificates as impurities may affect classification; ensure chemical safety data sheets (SDS) comply with HAZMAT regulations; declare exact CAS number (76-20-0) to avoid reclassification