Caffeic Acid Pharmaceutical Grade from Canada
Caffeic acid (3,4-dihydroxycinnamic acid), a hydroxycinnamic acid and its salts, falls under HTS 2918.29.2000 due to its phenolic carboxylic acid structure without other oxygen functions. Supplied as high-purity powder for drug synthesis and antioxidant applications.
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
• Submit stability data showing no degradation products; declare moisture <0.5% to confirm chemical purity
• Comply with DEA precursor chemical reporting if used in synthesis pathways, though not listed substance
• Use industrial packaging only; retail packs risk 3824 classification as lab reagent mixtures