L-Lysine Sulfate USP from China
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 — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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