L-Phenylalanine from Canada
L-Phenylalanine is a precursor amino acid in aspartame production and nutritional products. Classified under HTS 2922.49.80.00 as an oxygen-function amino-acid without multiple oxygen types.
Duty Rate — Canada → 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
• Certify phenylketonuria warnings for PKU-sensitive imports; validate HPLC purity >99%; segregate from aspartame mixtures