(R)-Phenylglycine Free Acid from United States
(R)-Phenylglycine free acid is the free acid form of D-phenylglycine, a chiral aromatic amino acid used in beta-lactam synthesis. It is a separate chemically defined organic compound with amino and carboxylic acid functions, falling under tariff item 2922.49.00.
Duty Rate — United States → Canada
0%
Import Tips
• Provide a certificate of analysis showing high enantiomeric excess
• Declare the product's use in pharmaceutical synthesis
• Ensure proper labeling with chemical name and CAS number