Choline DiHydrogen Citrate from Mexico
This citrate salt of choline is used in pharmaceuticals and nutritional products for its bioavailability in treating choline deficiencies. Falls under HTS 2923.10.00.00 following chapter note (C) classifying salts with the organic base component.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Declare exact salt stoichiometry to confirm classification with choline as the defining component
• For pharma imports, distinguish from finished medicaments to avoid Chapter 30 duties
• Monitor for anti-dusting agents; additions must not render product for specific use (chapter note g)