L-Lysine Sulfate USP from Canada
L-Lysine sulfate is the sulfuric acid salt of L-lysine, certified to USP standards for use in dietary supplements and pharmaceuticals. This free-flowing powder provides high bioavailability of the essential amino acid. HTS 2922.41.0010 applies as it meets pharmacopeia requirements for lysine salts.
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide USP monograph compliance certificate; test for sulfate content (18-21%) and optical rotation
• Declare exact salt form on commercial invoice to avoid reclassification; include stability data