Erythromycin Propionate from Mexico
Erythromycin propionate is a propionic ester derivative salt offering prolonged release for dental and skin infection treatments. It is covered by HTS 2941.50.00.00 as an erythromycin derivative per chapter's organic compound definitions. Bulk for topical 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
• Validate ester content via HPLC; ensure REACH compliance if EU transit
• Pitfall: degradation from improper pH in packaging