Choline DiHydrogen Citrate from Canada
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 — Canada → United States
3.7%
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
• 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)