Berberine Chloride from Mexico
Berberine chloride, a quaternary ammonium alkaloid salt from plant sources, reproduced synthetically for supplements. HTS 2939.80.00 for other alkaloids and salts.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Structure confirmation via HPLC to prove alkaloid nature
• Declare 99% purity to maintain chemical compound status