Alanine Ethyl Ester Hydrochloride from Mexico
Alanine ethyl ester hydrochloride is the ethyl ester derivative of alanine used as a pharmaceutical intermediate. Chapter notes direct ester classification to the parent acid-function compound, keeping it under HTS 2922.49.4910.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6095.8%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
• Molecular formula verification essential; esters follow parent acid per note 3(A)
• Hazardous material declaration required for HCl salt transport