High Purity 4,7-Dichloroquinoline 99.5%+ for API Synthesis from Mexico
Ultra-high purity 4,7-dichloroquinoline (>99.5%) specifically manufactured for active pharmaceutical ingredient synthesis, classified under HTS 2933.49.08.00 as a chemically defined quinoline derivative. Meets stringent pharma intermediate specifications.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% 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
• Include CoA with HPLC/GC purity data and heavy metal specifications for FDA/USDA review
• Pre-register with FDA Drug Master File if destined for US pharma production
• GMP manufacturing evidence prevents reclassification as technical grade