New

Ask Wove anything about tariffs.

Try Tariff Assistant

Clarithromycin 500mg Extended-Release Tablets from China

Clarithromycin ER treats chronic bronchitis and sinusitis with once-daily dosing. 500mg extended-release tablets in retail bottles classify as macrolide antibiotic under HTS 3004.20.00.83.

Duty Rate — China → United States

100%

Rate breakdown

9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

• Dissolution testing data for ER profile mandatory

• CYP3A4 interaction warnings required

• Don't overlook polymer matrix excipient declarations