Ethyl 2-keto-4-phenylbutanoate from Mexico
An aromatic β-keto ester with a phenyl-substituted chain, explicitly listed under HTS 2918.30.1500 as a carboxylic acid with ketone function but no other oxygen groups. Used primarily as a synthetic intermediate in organic chemistry and drug development for its reactivity in C-C bond formations.
Duty Rate — Mexico → 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
• Submit CoA with HPLC purity data and batch-specific identifiers to confirm identity against the exact named compound
• Declare as 'research chemical' if for lab use, but provide end-use statement to prevent dual-use scrutiny under export controls