Calcitetrol (Vitamin D Derivative) from Mexico
Calcitetrol represents specialized Vitamin D derivatives used in research and niche therapeutics, functioning primarily as vitamins. Covered by HTS 2936.29.50.20 for unmixed Vitamin D compounds meeting Chapter 29 chemical definition requirements. High-purity research chemical grade.
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
• Small volume specialist imports; use ISF properly for low-value shipments
• Research exemption paperwork if not commercial quantities