3-(N-Ethylanilino)Propionic Acid Methyl Ester from Mexico
3-(N-Ethylanilino)propionic acid methyl ester is a specific ester of an amino-acid derivative listed in HTS 2922.49.10.00. Used as intermediate in pharmaceutical synthesis. Aromatic structure with ester function qualifies it here.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.2%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
• Include synthetic route summary to verify structure
• Monitor ester hydrolysis stability for transport
• Declare CAS if available for faster clearance