Erythromycin Propionate from China
Erythromycin propionate is a propionic ester derivative salt offering prolonged release for dental and skin infection treatments. It is covered by HTS 2941.50.00.00 as an erythromycin derivative per chapter's organic compound definitions. Bulk for topical formulation.
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
• Validate ester content via HPLC; ensure REACH compliance if EU transit
• Pitfall: degradation from improper pH in packaging