L-Threonine USP Grade from Germany
L-Threonine USP is a high-purity enantiomer of the essential amino acid used in pharmaceuticals, supplements, and livestock nutrition. Classified under HTS 2922.49.49 as an other oxygen-function amino acid in pure form. Meets USP standards for human and animal consumption.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP certificate and chiral purity documentation (HPLC results) to confirm L-form classification
• For human supplement use, ensure FDA GRAS status and proper labeling; separate pharma shipments from feed grade