Niacin Acid Pharmaceutical Grade Crystals from Mexico
Crystalline form of nicotinic acid (niacin) at pharmaceutical purity levels for use in injectable or oral drug production. Falls under HTS 2936.29.1610 as unmixed pharmaceutical grade niacin per Chapter 29 organic compound definitions.
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
• Provide FDA Drug Master File (DMF) references; ensure proper stability data for crystalline form; watch for contamination risks during transport requiring sealed packaging