Pharmaceutical Grade Sodium Isoascorbate from Japan
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 — Japan → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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