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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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