4-Methoxyacetophenone from Japan
4-Methoxyacetophenone features a methoxy group on the aromatic ring, primarily functioning as a ketone. Despite ether presence, classified as aromatic ketone under HTS 2914.39.90.00 per numerical order rule in chapter notes, as no separate ether heading applies.
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
• Prove ketone as principal function via IR spectroscopy showing C=O dominance
• Include FEMA GRAS status if for flavors to expedite FDA review