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2922.50.40.00/Chlorpheniramine Maleate/China

Chlorpheniramine Maleate from China

Chlorpheniramine is an aromatic amino-compound with ether oxygen function, an antihistamine. Classified HTS 2922.50.4000 as aromatic oxygen-function amino-compound. Maleate salt follows base per Chapter notes on organic salts.

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
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Import Tips

• Provide chiral purity certificates; ensure GMP compliance for pharma intermediates; watch for country-specific antihistamine controls

Chlorpheniramine Maleate from China — Import Duty Rate | HTS 2922.50.40.00