What regulatory guidelines apply to [2-(Trifluoromethyl)phenyl]methanesulfonyl chloride (CAS: 85952-32-5)?

The [2-(Trifluoromethyl)phenyl]methanesulfonyl chloride (CAS: 85952-32-5) is subject to regulatory guidelines such as REACH in the EU, which requires registration if annual production or import exceeds 1 ton. It also falls under GHS classification as a hazardous chemical, requiring proper labeling and safety data sheets. In the US, FDA and EPA regulations may apply based on specific use cases, such as in pharmaceuticals or pesticides.