Erythromycin Ethylsuccinate from China
Erythromycin ethylsuccinate is a macrolide antibiotic ester for improved oral absorption. Classifies under HTS 2941.90.50.00 as other antibiotics; esters follow parent acid-function compound per Chapter 29 note 3(A). Meets purity standards for chemically defined substances.
Duty Rate — China → United States
0%
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
Import Tips
• Hydrolysis stability data required for ester antibiotics
• Specify free base equivalent potency
• Avoid enteric coating suggesting finished product