D-Phenylglycine 98% Pharmaceutical Grade from Mexico
High-purity (R)-α-Aminobenzeneacetic acid meeting USP standards for pharmaceutical manufacturing. Classified under HTS 2922.49.0500 due to its specific chemical identity as an aromatic amino acid. Used exclusively in synthesis of semisynthetic penicillins.
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 CoA with optical rotation [+170° to +180°] and heavy metals <10ppm certification
• FDA prior notice required; classify as bulk drug substance with DMF reference
• Avoid dust formation during handling; use anti-caking agents only if essential per Chapter Note 6(F)