Aminophylline USP Powder from Germany
Aminophylline is a heterocyclic compound containing a xanthine (purine) structure with pyrimidine rings, used as a bronchodilator drug for asthma treatment. It falls under HTS 2933.59.53.00 as an aromatic drug with pyrimidine hetero-atoms in its structure. This classification applies to its chemically defined organic nature per Chapter 29 notes.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Obtain FDA Drug Master File and ensure compliance with 21 CFR import regulations for bulk APIs
• Provide Certificate of Analysis (CoA) verifying purity and aromatic structure; avoid misclassification as non-drug