N-Acetyl-D-Glucosamine (Pharmaceutical Grade) from Mexico
The N-acetyl ester of D-glucosamine, a key chitin derivative with heterocyclic oxygen ring, classified under 2932.99.90.10 as glucosamine ester. Used in cosmetics, pharmaceuticals, and wound healing.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit Drug Master File (DMF) if destined for Rx manufacturing
• Endotoxin levels must be <0.1 EU/mg for injectable use
• Pyrogen-free certification essential for parenteral applications