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2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid, ethyl ester from Germany

This is a specific aromatic carboxylic acid ester featuring a ketone function and halogen substitutions, precisely matching the chemical structure defined in HTS 2918.30.1500. It serves as a key intermediate in pharmaceutical synthesis, particularly for fluorinated drug candidates, and falls under this heading due to its β-keto ester functionality without other oxygen groups.

Duty Rate — Germany → 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

Provide detailed chemical analysis (NMR, MS) confirming structure matches the exact specification to avoid reclassification

Include Safety Data Sheets (SDS) and purity certificates (>98%) as documentation for customs valuation and hazard classification

Avoid common pitfalls like improper UN packaging for corrosive liquids; ensure REACH/ TSCA pre-registration for US entry