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Sulfadiazine Technical Grade from China

Sulfadiazine contains a pyrimidine ring (as part of diazine) with nitrogen hetero-atoms only, used as sulfonamide antibiotic API. Falls under HTS 2933.59.95.00 for other pyrimidine compounds per Chapter 29 chemical definitions. Excludes sulfonated derivatives per notes.

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

• Confirm no sulfonation on ring carbon to stay in 2933; CoA essential

• Veterinary grades need separate DMF