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
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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