Ascorbyl Tetraisopalmitate from Canada
Tetra-esterified ascorbic acid with isopalmitic acid chains, lactone preserved. Advanced cosmetic vitamin C derivative under HTS 2932.20.3000 per U.S. note 3. High skin penetration.
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide complete ester position mapping (2,3,5,6 positions),Document synthetic pathway confirming lactone retention,High purity certificate (>98%) essential for classification