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
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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