Sinapic Acid 95% Powder from Japan
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 — Japan → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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