Oxyquinoline Sulfate Pharmaceutical Grade from Mexico
Oxyquinoline sulfate is a quinoline-based antimicrobial agent listed under HTS 2933.49.20.00, featuring the required nitrogen heterocyclic ring structure. Used in pharmaceuticals for its bacteriostatic properties, it qualifies as a named drug in this specific tariff subcategory.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide salt content verification (sulfate assay) and pH stability data for pharma imports
• Comply with USP/NF monographs; ensure packaging prevents moisture absorption
• Avoid bulk chemical declaration—pharma grade requires drug-specific documentation