Cinnoline from Mexico
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 — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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