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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

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

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

Veterinary grades need separate DMF

Sulfadiazine Technical Grade from China — Import Duty Rate | HTS 2933.59.95.00