L-Lysine Base USP (Free Form) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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