7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid from Japan
A specific aromatic heterocyclic compound featuring a nitronaphthoxadiazole core with a sulfonic acid group, classified under HTS 2934.99.06.00 as one of the enumerated 'other heterocyclic compounds'. This chemically defined organic compound is used primarily as an intermediate in dye synthesis and pharmaceutical production due to its reactive functional groups.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• Provide detailed chemical analysis certificates confirming the exact structure matches the HTS description to avoid reclassification
• Ensure proper hazardous material labeling as this compound may pose health risks during transport
• Verify purity levels (>98%) as impurities could trigger classification under general 'other' heterocyclic provisions