Isoquinoline from Japan
Isoquinoline is a bicyclic aromatic heterocycle used in alkaloid synthesis and as a solvent in organic reactions. Classified under HTS 2934.99.44.00 as other aromatic heterocyclic. Precursor for papaverine and other isoquinoline alkaloids.
Duty Rate — Japan → 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
• CAS 119-65-3 and boiling point (243°C) data confirms identity
• Handle as flammable liquid per DOT regulations
• Purity >99% required for chemically defined classification