Mezlocillin Sodium from Japan
Mezlocillin sodium is an acylureidopenicillin derivative with penicillanic acid structure, its sodium salt for broad-spectrum activity. Under HTS 2941.10.50.00 as 'other' per subheading for unlisted penicillins. Bulk chemical for injectable antibiotic production.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Verify ureido side chain via NMR; declare exact sodium content by weight
• Common pitfall: misdeclaring as generic beta-lactam