Erythromycin Ethylsuccinate from Mexico
Erythromycin ethylsuccinate is an ester salt derivative of erythromycin, commonly used in oral suspensions for pediatric respiratory infections. It is classified under HTS 2941.50.00.00 as an erythromycin derivative and salt, fitting chapter provisions for chemically defined antibiotics. Supplied as bulk powder for formulation.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include Certificate of Analysis (CoA) confirming potency and impurities; comply with USP standards
• Common pitfall: incorrect declaration as finished drug product