Ethyl 2-keto-4-phenylbutanoate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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