Erythromycin Phosphate from Mexico
Erythromycin phosphate is a phosphate salt derivative providing enhanced solubility for antibiotic formulations against gram-positive bacteria. Classified in HTS 2941.50.00.00 as per chapter notes for salts of erythromycin antibiotics, as a separate chemically defined compound. Used in bulk for compounding injectables.
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
• Declare exact salt form and assay percentage; provide GMP certification from manufacturer
• Avoid delays by pre-submitting to FDA's prior notice system