L-Lysine Base USP (Free Form) from Canada
Pure L-lysine base (free amino acid) in USP grade, the active form before salt conversion, used in specialized formulations. Meets pharmacopeia identity, purity tests. Technically a 'salt thereof' under broad HTS 2922.41.0010 for USP lysine products.
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
• Confirm free base vs salt form with pH and titration data
• Handle hygroscopic nature—import in nitrogen-flushed containers
• Document conversion factor to lysine HCL for yield calculations