L-Aspartic Acid from Mexico
L-Aspartic Acid is used in aspartame synthesis and as a neurochemical precursor. Under HTS 2922.49.80.00 for dicarboxylic amino acids with single carboxyl classification.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• Chiral purity verification essential; pH adjustment docs; sweetener use declaration