DL-Methionine from Japan
DL-Methionine is a synthetic essential amino acid used primarily in animal feed formulations to supplement dietary protein. It falls under HTS 2922.49.80.00 as an amino acid with a single oxygen function (carboxyl group) and no additional kinds of oxygen functions. This classification applies to pure forms without complex ester or salt modifications beyond basic structure.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify purity certificates to confirm single oxygen function classification; ensure COA documents amino acid content over 98%; avoid misclassification as feed mixtures under Chapter 23