Guaifenesin USP Powder from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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