Dicloxacillin Sodium USP Grade from Mexico
Dicloxacillin sodium is a narrow-spectrum penicillin effective against beta-lactamase producing staphylococci, explicitly named in HTS 2941.10.30.00. This USP-grade bulk powder is used by pharmaceutical companies for formulation into capsules and injections. It features two chlorine substituents enhancing its resistance profile.
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 DMF Type II and establish drug substance sameness with reference standards for ANDA filings
• Label shipments with UN 3077 for environmental hazard classification due to antibiotic resistance concerns
• Verify batch-specific sterility testing; common pitfall is importing non-sterile grade mistaken for API