DL-Lysine Hydrochloride from Mexico
DL-Lysine hydrochloride is a racemic mixture of D- and L-lysine salts, often used in biochemical research and some industrial applications. It qualifies for HTS 2922.41.00 as a lysine salt, being a chemically defined derivative of the amino acid with the specified oxygen function.
Duty Rate — Mexico → United States
13.7%
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
• Specify DL- vs L-form on invoice to avoid reclassification; provide stereochemistry confirmation via HPLC analysis
• Ensure <0.1% heavy metals for food-contact approval