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