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Guaifenesin USP from China

Guaifenesin, or 3-(2-methoxyphenoxy)-1,2-propanediol, is a guaiacol derivative serving as an expectorant in cough medications, falling under HTS 2922.50.19.00 as an aromatic amino-compound with oxygen function. It meets 'drugs: other' criteria due to its pharmaceutical application.

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 FDA Drug Master File (DMF) references and USP certificate for bulk API imports

Label with exact CAS number (93-14-1) and ensure cGMP compliance documentation

Avoid misdeclaration as finished dosage form, which shifts to Chapter 30