Caffeic Acid Pharmaceutical Grade from China
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 — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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
• 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