Nervonic Acid from Mexico
Nervonic acid is a C24:1 very long chain unsaturated acyclic monocarboxylic acid. Classifies under HTS 2916.19.30.00 as unsaturated acyclic monocarboxylic acid regardless of chain length. Used in neurological research supplements.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.9%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
• Structure confirmation via HPLC critical for long chain
• Dietary supplement registration with FDA
• Distinguish from lignoceric (saturated C24)