Adamantylamine from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, 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