What regulatory guidelines apply to 5-Chlorohexanoyl chloride (CAS: 99585-01-0)?

5-Chlorohexanoyl chloride (CAS: 99585-01-0) falls under the scope of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). It is also subject to REACH regulations in the European Union, which require manufacturers and importers to register substances if they are produced or imported in quantities above 1 ton per year. In the USA, the EPA regulates this chemical under the Toxic Substances Control Act (TSCA). FDA regulations may apply if it is used in pharmaceutical or food applications.