Corey-Kim Reagent Intermediate (N-Chlorosuccinimide) from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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