4-Hydroxycoumarin with Stabilizer from Canada
Stabilized 4-Hydroxycoumarin powder with anticaking agent for transport, per chapter note (f). Remains under HTS 2932.20.2500 as the primary organic compound.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document stabilizer as necessary per note (f); test for impurities
• Pitfall: excess additives may reclassify as mixture