3,4-Dihydroxycinnamic Acid from Canada
3,4-Dihydroxycinnamic acid (caffeic acid synonym), HTS 2918.29.2000.
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
• Synonym declaration with CAS
• Purity assay required