4-Nitrophenyl Chloroacetate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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