Acetohydroxamic Acid from Japan
Acetohydroxamic acid is a synthetic organic derivative of hydroxylamine used primarily as a pharmaceutical intermediate and urolithiasis treatment agent. It falls under HTS 2928.00.50.00 as an 'other' organic derivative of hydroxylamine, being a chemically defined compound not covered by more specific subheadings. This classification aligns with Chapter 29 notes for separate 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
• Verify purity levels and provide Certificates of Analysis (CoA) to confirm chemical identity; ensure pharmaceutical-grade documentation if for drug use; avoid misclassification as quaternary ammonium compounds by confirming hydroxylamine structure