Anthrone from Japan
Anthrone, a derivative of anthracene with ketone functionality, used in analytical chemistry for carbohydrate detection. Classifies as aromatic ketone under HTS 2914.39.90.00 'other', as principal characteristic is the ketone group without other oxygen functions.
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
• Lab grade requires 98%+ purity certification; common misdeclaration as dye
• Avoid classification disputes with comparative ketone spectra provided