Adamantylamine from Japan
Adamantylamine features a cage-like polycyclic structure qualifying as cyclanic polyamine. Used in pharmaceuticals, it classifies under HTS 2921.30.50.00 'other'.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%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
• 3D structure confirmation via NMR; distinguishes from acyclic polyamines
• High melting point solid; crystal form patent docs may affect value declaration
• Research chemical; academic end-use letters prevent commercial classification