High Purity 4,7-Dichloroquinoline 99.5%+ for API Synthesis from China
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 — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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