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Chemical Intermediates for US Pharma from Mexico

Active pharmaceutical intermediates imported for final synthesis, crystallization, and formulation into US-manufactured prescription drugs.

Duty Rate — Mexico → United States

10%

Rate breakdown

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 FDA-approved synthesis routes and batch records proving chemical transformation

• DEA controls apply to controlled substance intermediates regardless of processing

• Finished APIs classify under Chapter 29 or 30 pharmaceutical products