Cholecalciferol (Vitamin D3) from Mexico
While primarily under 2936.32, synthetic cholecalciferol intermediates or specific derivatives used as unmixed vitamin sources fall under 'other' vitamins in HTS 2936.29.5050 when not meeting exact D3 criteria.
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
• Submit HPLC chromatograms proving single peak (unmixed) status
• Distinguish from 2936.32 by providing synthesis pathway documentation