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Sulfamerazine from China

Sulfamerazine is a sulfonamide antibiotic with applications in treating meningitis and urinary infections. Classified under HTS 2935.90.75.00 as per additional U.S. note 3 to section VI for designated sulfonamides. Pure chemical for bulk import.

Duty Rate — China → United States

112.5%

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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter

Import Tips

• Provide comparative dissolution data; ensure no heavy metal contaminants; declare as research chemical if not for immediate pharma use