Aminophylline USP from Canada
Aminophylline, theophylline-ethylenediamine complex (1:2), nitrogen heterocyclic purine derivative. HTS 2933.99.8290 as other aromatic heterocyclic compounds with N hetero-atoms only. Used in respiratory pharmaceuticals.
Duty Rate — Canada → 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
• ,Provide water content analysis (4-8.5% required)
• Declare hydrate status (anhydrous vs hydrated forms)