Sulfaguanidine Crystals from Japan
Sulfaguanidine, sparingly soluble for local gut action, treats bacillary dysentery and pre-surgical bowel prep. Classifies HTS 2935.90.4800 as sulfonamide anti-infective meeting Chapter 29(a) chemically defined compound criteria. Guanidine substitution provides unique solubility profile.
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
• Solubility <0.1mg/ml documentation distinguishes from systemic sulfonamides
• Crystal habit analysis prevents polymorphic purity issues
• Historical use documentation supports continued drug status