2933.59.22.00/Trimethoprim Hydrochloride API/China

Trimethoprim Hydrochloride API from China

Pharmaceutical grade trimethoprim HCl active ingredient for human antibiotic formulations like co-trimoxazole, under HTS 2933.59.22.00. This hydrochloride salt retains classification with the aromatic pyrimidine base per Chapter salt notes. Used against urinary tract and respiratory infections.

Duty Rate — China → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Include DMF reference number and FDA import alert screening; human drugs face stricter biopharma regs

• Test for HCl content (18-19%) to confirm salt form vs free base reclassification

• Use temperature-controlled shipping (<25°C) to maintain stability certificate validity

Trimethoprim Hydrochloride API from China — Import Duty Rate | HTS 2933.59.22.00