</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Sulfanilamide Powder USP from Japan

Sulfanilamide, the parent compound of all sulfonamides, provides broad-spectrum antibacterial activity. HTS 2935.90.4800 classification as prototypical sulfonamide anti-infective per Chapter 29(a). Still used topically in vaginal infections and experimentally.

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

USP monograph compliance mandatory; aniline impurities strictly controlled

Topical vs systemic documentation prevents dosage form confusion

Historical FDA approvals support continued import legitimacy

Sulfanilamide Powder USP from Japan — Import Duty Rate | HTS 2935.90.48.00