Cinchonine Base from Japan
Cinchonine free base alkaloid from cinchona used in stereoselective synthesis and alkaloid research. Classified HTS 2939.20.0050 as other cinchona alkaloid. Research chemical grade.
Duty Rate — Japan → United States
0%
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
• Melting point 263-264°C confirmation
• NMR verification of methoxyquinoline moiety
• Declare research vs commercial intent