What regulatory guidelines apply to 1-(1-Benzothiophen-2-yl)ethanone (CAS: 22720-75-8)?

1-(1-Benzothiophen-2-yl)ethanone (CAS: 22720-75-8) falls under the scope of the REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulations in the European Union. It also requires classification and labeling according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). In the United States, it is subject to the EPA’s regulations for hazardous substances and the FDA’s for pharmaceutical applications.