(R)-Phenylglycine Free Acid from Germany
The free acid form of D-phenylglycine, a critical chirality center for beta-lactam synthesis. HTS 2922.49.0500 explicitly names this aromatic α-amino acid. Supplied as white crystalline powder with high enantiomeric excess.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Chiral HPLC certificate mandatory showing ee >99%
• Microbial limits testing required for pharma intermediate qualification
• Store below 25°C; validate polymorphic form stability