Erythromycin Estolate from China
Erythromycin estolate is a lauryl sulfate ester salt derivative known for its acid stability in gastric environments for upper respiratory treatments. Falls under HTS 2941.50.00.00 as a named erythromycin derivative and salt per HTS antibiotic provisions. Bulk API form for tablet production.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Monitor for hepatotoxicity warnings in labeling; provide impurity profiles under ICH guidelines
• Pitfall: mislabeling as non-pharma chemical