4-Nitrophenyl Chloroacetate from Canada
This ester features both nitro and chloro groups derived from chloroacetic acid (heading 2912), used in pharmaceutical synthesis. HTS 2913.00.50.00 applies to its multiply-substituted structure. Common intermediate for acetaminophen production.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Pharma-grade requires >98% purity with heavy metal limits; include HPLC certificate
• Labile chloro group requires moisture-proof packaging
• Ester classification upheld only if stable; hydrolysis products go to acids