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
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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