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