Phenylglycine from Mexico
Phenylglycine (alpha-amino-phenylacetic acid) is an aromatic amino acid used as intermediate in antibiotic synthesis, classified in HTS 2922.49.37.00 as other aromatic oxygen-function amino-compounds. It features a single carboxyl group and phenyl substitution on the alpha-carbon. Meets Chapter 29 note (a) for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Submit manufacturer's specification sheet confirming CAS 2835-06-5 (DL) or 875-74-1 (L) and HPLC purity to validate classification
• Comply with TSCA import certification; declare as non-PBT chemical to avoid EPA holds