L-Alanine USP Grade from Japan
L-Alanine USP grade is the naturally occurring enantiomer of alanine, meeting United States Pharmacopeia standards for pharmaceutical and supplement use. Classified under HTS 2922.49.4910 as a pure, chemically defined alanine amino acid.
Duty Rate — Japan → United States
23.3%
Rate breakdown
9903.04.6210.8%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
• Include USP certificate and CoA; FDA registration required for pharma-grade imports
• Verify optical rotation confirms L-form to prevent confusion with DL-alanine
• For supplement use, comply with DSHEA labeling; avoid retail packaging pitfalls