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2933.59.53.00/Aminophylline USP Powder/Mexico

Aminophylline USP Powder from Mexico

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 — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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

Aminophylline USP Powder from Mexico — Import Duty Rate | HTS 2933.59.53.00