Mixture of 2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester isomers from Japan
Isomeric mixture of the named compound per chapter note (b), classified under HTS 2918.30.1500 as it matches the core structure with ketone and ester functions on aromatic base. Used in stereoselective synthesis for chiral pharmaceuticals.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify isomer ratio in entry docs; chapter note allows mixtures of isomers here
• Hazard class 8 (corrosive)—ensure proper placarding and IMDG declaration