Alimet Feed Grade DL-Hydroxy Methionine from Mexico
Commercial feed-grade DL-2-hydroxy-4-methylthiobutyric acid, the hydroxy analogue of DL-methionine, classified as an organo-sulfur acid under 2930.90.46.00. Used in poultry and swine diets to replace methionine, meeting Chapter 29 requirements for separate chemically defined compounds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include Certificate of Analysis showing >98% purity to avoid reclassification; register with FDA as animal food additive
• Pitfall: inadequate labeling of sulfur content for hazmat shipping