Monoethyl Adipate from Japan

Monoethyl adipate is a half-ester of adipic acid used in pharmaceutical intermediates and polymer modifiers. Classified under HTS 2917.12.5000 as other adipic acid derivative per acyclic polycarboxylic acids. Single esterification maintains classification with parent acid.

Duty Rate — Japan → United States

16.5%

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

Drug Master File (DMF) reference often required for pharma intermediates

Stability data critical; common pitfall is improper refrigerated transport

Avoid water-dissolved forms per Chapter 29 note (d) exclusion criteria