Caffeic Acid from Mexico
Caffeic acid (3,4-dihydroxycinnamic acid) is an acrylic phenolic acid used in research and nutraceuticals. Classified HTS 2918.29.7500 for phenolic carboxylic acid functionality despite unsaturated chain. Chapter 29 note 3 prioritizes last numerical heading.
Duty Rate — Mexico → 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
• Light/heat sensitive - amber refrigerated storage; trans-isomer specification (>95%); GRAS status for food contact