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Sulfadiazine 500 mg Tablets from China

Sulfadiazine tablets used primarily for toxoplasmosis treatment and as adjunct therapy in rheumatic fever. Falls under HTS 3004.90.92.11 as a pure sulfonamide anti-infective in measured retail doses.

Duty Rate — China → United States

100%

Rate breakdown

9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Include Drug Master File (DMF) for API and ensure NDC numbering for US distribution

Test for residual solvents per USP <467> to meet import quality standards