Corey-Kim Reagent Intermediate (N-Chlorosuccinimide) from Japan
N-Chlorosuccinimide (NCS) is a chlorinating and oxidizing agent used in the Corey-Kim reaction, classified under HTS 2942.00.50.00. This N-haloimide features a succinimide ring with active chlorine.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Available chlorine content (≥98%) certification required on CoA
• Light-sensitive; amber packaging with <1% decomposition after 12 months data
• Distinguish from swimming pool chemicals through purity and end-use declaration