Full Name: Chlorsulfuron
Synonyms: CHL
Chlorsulfuron is a systemic sulfonylurea herbicide. It inhibits acetolactate synthase (ALS), blocking branched-chain amino acid biosynthesis (valine, leucine, isoleucine) and stopping plant cell division. It controls broadleaf weeds and annual grasses in cereal crops. Its structure features a triazine ring linked via a sulfonylurea bridge to a chlorobenzene ring.