Carfecillin Sodium Bulk Pharmaceutical from Mexico
Carfecillin sodium, a prodrug form of carbenicillin, is specifically enumerated in HTS 2941.10.30.00 as a penicillin derivative with penicillanic acid structure. This bulk chemical is used in manufacturing oral and injectable antibiotics for gram-negative infections. It hydrolyzes in vivo to active carbenicillin.
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
• Verify supplier's CEP (Certificate of Suitability) from EDQM for expedited FDA review
• Conduct forced degradation studies documentation for stability claims during import