Magnesium Ascorbyl Phosphate from Canada
Stable vitamin C derivative with phosphate and magnesium, retaining ascorbic lactone core. HTS 2932.20.3000 classification due to aromatic lactone meeting U.S. note 3. Skincare and pharmaceutical applications.
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
• Document phosphate ester not dominating over lactone classification,Include magnesium chelation stability data for chapter note compliance,Label CAS 113170-03-7 and structural formula explicitly