L-Lysine Acetate from China
L-Lysine acetate is the acetic acid salt of L-lysine, used primarily in cell culture media and biopharmaceutical production as a stable, soluble amino acid source. Classified under 2922.41.00.90 as an 'other' ester/salt of lysine per Chapter 29 notes on organic salts. Its single carboxyl oxygen function defines it as a basic amino acid derivative.
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 stability data and endotoxin specs (<1 EU/mg) for biotech import clearance
• Label with CAS 927-54-8 and confirm ≥99% purity to avoid reclassification