Aminophylline USP from China
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 — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• ,Provide water content analysis (4-8.5% required)
• Declare hydrate status (anhydrous vs hydrated forms)