Guaifenesin USP Powder from Canada
Pharmaceutical-grade guaifenesin powder meeting USP standards, used as an expectorant in cough syrup formulations. This aromatic ether-alcohol falls under HTS 2909.49.0500 as a chemically defined separate organic compound. It is supplied in bulk for pharmaceutical manufacturing.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide Certificate of Analysis (CoA) and USP compliance documentation to verify purity >99%
• Ensure FDA Drug Master File (DMF) registration for active pharmaceutical ingredient importation
• Avoid misclassification as finished dosage form; bulk powder must not be tableted or encapsulated