L-Lysine Sulfate from Japan
L-Lysine sulfate (2:1 lysine to sulfuric acid) is an alternative salt form to hydrochloride, used in specialized nutritional and pharmaceutical applications requiring lower chloride content. Falls under 2922.41.00.90 as 'other' lysine salts per Chapter 29 note (C)(1) on organic salts classification.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit sulfate content analysis (typically 20-25%) and lysine assay to verify composition
• Distinguish from fertilizer ammonium sulfate; declare CAS 6082-56-4 explicitly