Pharmaceutical Grade Sodium Isoascorbate from Mexico
High-purity sodium erythorbate meeting USP standards for use in pharmaceutical formulations and vitamin C stabilization. As a lactone heterocyclic compound, it falls under HTS 2932.20.50.30 per chapter notes for chemically defined organic compounds. Excludes mixtures or preparations covered elsewhere.
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
• File Drug Master File (DMF) with FDA if used in US pharmaceuticals; provide Type II DMF reference,Include stability data and impurity profile in import documentation to meet cGMP requirements,Ensure proper labeling as 'not for direct food use' to avoid FDA food facility registration confusion