Erythromycin Estolate from Mexico
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 — Mexico → 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
• Monitor for hepatotoxicity warnings in labeling; provide impurity profiles under ICH guidelines
• Pitfall: mislabeling as non-pharma chemical