N-Acetyl-D-Glucosamine (Pharmaceutical Grade) from Japan
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 — Japan → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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