Methyl 4,4,4-Trifluoro-3-oxobutanoate 98% Pure from Canada
High-purity methyl trifluoroacetoacetate explicitly under HTS 2918.30.70.00 as chemically defined with minor impurities allowed.
Duty Rate — Canada → United States
10%
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
• Purity certificate essential for chapter 29
• Monitor for keto-enol equilibrium in storage declarations