Vitamin B3 Niacinamide API from Mexico
Active pharmaceutical ingredient (API) niacinamide for prescription and OTC vitamin formulations. HTS 2936.29.16.30 covers unmixed niacinamide as provitamin/vitamin derivative. Chemically pure per USP/EP monographs.
Duty Rate — Mexico → 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
• Register as API with FDA DMF if >$2.2M annual imports; provide stability data for shelf-life claims; ensure DMF Type II for manufacturing process