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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Structure confirmation via HPLC to prove alkaloid nature
• Declare 99% purity to maintain chemical compound status