(R)-α-Amino-4-Hydroxybenzene Acetic Acid (D-(-)-p-Hydroxyphenyl Glycine) from China
Chiral aromatic amino acid featuring hydroxy and carboxylic acid oxygen functions, explicitly listed under HTS 2922.50.0700. Pharmaceutical intermediate for synthesis of antibiotics like amoxicillin.
Duty Rate — China → United States
0%
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
• Specify optical rotation [α]D and enantiomeric excess (>99% D-form) in COA for classification confirmation
• DMF filing required for pharma intermediates; include end-use statement
• Hygroscopic; import in desiccated packaging to maintain crystal form