Cinnoline from Japan
Cinnoline is a bicyclic aromatic heterocycle with adjacent nitrogen atoms in the six-membered ring. Falls under HTS 2934.99.44.00 as other aromatic heterocyclic compound. Used in pharmaceutical research for anti-inflammatory agents.
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
• Rare compound - provide peer-reviewed literature references for CBP
• Unstable to light - specify amber packaging requirements
• Molecular weight 130.14 g/mol confirms structure