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Sulfathiazole Sodium API from Japan

Sodium salt of sulfathiazole, a water-soluble sulfonamide anti-infective agent used in injectable drug formulations. Specifically named in HTS 2935.90.3300 as a bulk active pharmaceutical ingredient (API) under the sulfonamides category for anti-infective drugs. Meets Chapter 29 requirements for chemically defined organic compounds.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include FDA registration and establishment inspection reports for the manufacturing facility

Label shipments clearly as 'Sodium Sulfathiazole USP' to match exact HTS description and avoid delays

Test for sodium content and stability per pharmacopeia standards to comply with import purity requirements