N-Chlorosuccinimide (NCS) from Mexico
N-Chlorosuccinimide is a chemically defined cyclic imide derivative used as a chlorinating and oxidizing agent in organic synthesis. It falls under HTS 2925.19.70.00 as a specific imide compound listed in this subheading for carboxyimide-function compounds. Primarily employed in pharmaceutical and fine chemical manufacturing for selective chlorination reactions.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed chemical safety data sheets (MSDS) and ensure UN-approved packaging for hazardous oxidizers; verify purity certificates as impurities may affect classification; comply with TSCA registration for US chemical imports