Erythromycin Ethylsuccinate from Japan
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 — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Hydrolysis stability data required for ester antibiotics
• Specify free base equivalent potency
• Avoid enteric coating suggesting finished product