Sinapic Acid 95% Powder from Canada
Sinapic acid (4-hydroxy-3,5-dimethoxycinnamic acid) qualifies as hydroxycinnamic acid under HTS 2918.29.2000. Used in nutraceuticals and as biosynthetic precursor, this 95% powder meets chapter requirements for chemically defined compounds.
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
• HPLC chromatogram required showing sinapic acid peak >95%, CAS 530-59-6
• Declare botanical-free synthesis to avoid 3203 vegetable origin confusion
• Ensure no sugar conjugation; pure acid only