Pharma Grade Riboflavin Granules from China
Granulated Riboflavin USP for direct compression in tablet manufacturing, remains unmixed Vitamin B2 under HTS 2936.23.00.00. Physical form does not affect chemical classification as a provitamin/vitamin per chapter scope.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include granulation process validation; maintain cold chain if stability specified; distinguish from finished Chapter 30 products via bulk packaging proof