Paromomycin Sulfate Powder from Mexico
Paromomycin sulfate, derived naturally from Streptomyces rimosus var. paromomycinus, treats intestinal parasites and amebiasis as an oral aminoglycoside. Classified in HTS 2941.90.10.10 for its status as a natural aminoglycoside antibiotic, fitting Chapter 29's definition of chemically defined organic compounds with nitrogen functions.
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
• Provide sulfate salt equivalence certificates and declare base activity accurately
• Comply with veterinary drug import rules if destined for animal use (e.g
• cattle histomoniasis)
• Test for residual solvents from fermentation to meet ICH Q3C guidelines