DL-Phenylalanine from Canada
DL-Phenylalanine is an aromatic amino acid with a single carboxylic acid oxygen function, classified under HTS 2922.49.30.00 as it falls within additional U.S. note 3 to section VI for specific oxygen-function amino-compounds. It is used in nutritional supplements and pharmaceutical intermediates.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify purity certificate to confirm it meets chapter 29 chemical definition; declare as pure compound not mixed with excipients
• Common pitfall: misclassifying as protein hydrolysate