Gemifloxacin Mesylate from Japan
Gemifloxacin mesylate contains a pyrrolidine-oxime substituted quinolone with nitrogen-heterocyclic core for community-acquired pneumonia treatment. HTS 2933.99.46.00 applies to this aromatic anti-infective per Chapter 29 definitions.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
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 mesylate counterion quantification and salt stoichiometry
• Include residual solvent analysis per ICH Q3C guidelines
• Ensure proper segregation from beta-lactam antibiotics during storage