Mixture of 2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester isomers from China
This isomeric mixture of ethyl 2-chloro-4,5-difluoro-β-oxobenzenepropanoate is classified under 2918.30.00 per Chapter 29 Note 1(b), which covers mixtures of isomers of the same organic compound. It features a ketone and ester function without other oxygen functions, used in stereoselective synthesis.
Duty Rate — China → Canada
0%
Import Tips
• Document the isomeric composition, as mixtures of isomers are covered under Note 1(b)
• Ensure the isomers are of the same organic compound
• Provide the chemical structure and CAS number for CBSA verification