Cetoleic Acid from Mexico
Cetoleic acid (cis-11-eicosenoic acid) is a C20:1 mono-unsaturated acyclic fatty acid prevalent in marine oils, particularly cod liver oil. Classified HTS 2916.19.50.00 as other unsaturated acyclic monocarboxylic acid. Used in lipid nutrition studies.
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
• Confirm Δ11 position via mass spectrometry
• Cod liver/marine mammal oil origin with purity certificate
• Low temperature stability testing results