Sulfathiazole Sodium from Japan
Sulfathiazole sodium combines sulfonamide antibiotic with thiazole ring for broad-spectrum antibacterial activity. HTS 2935.90.4800 classification as sulfonamide anti-infective per Chapter 29 note (C)(1) for organic salts. Used historically in wound dressings and systemic infections.
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
• Salt bridge stability data required to confirm pharmaceutical equivalence to free base
• Avoid retail packing; bulk drums only to maintain Chapter 29 API status
• Heavy metal specs critical due to thiazole synthesis impurities