N-Acetyl-D-Glucosamine (Pharmaceutical Grade) from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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