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Guaifenesin USP Powder from Mexico

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 — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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