What regulatory guidelines apply to 2-Oxo-5-indolinecarbonitrile (CAS: 61394-50-1)?

2-Oxo-5-indolinecarbonitrile (CAS: 61394-50-1) is subject to regulatory guidelines under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), which includes health, environmental, and physical hazard classifications. It is also regulated under the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) in the EU, which requires manufacturers and importers to register the chemical with the European Chemicals Agency (ECHA). The U.S. Food and Drug Administration (FDA) may have specific guidelines for the use of this compound in pharmaceuticals, and the Environmental Protection Agency (EPA) may regulate it in relation to its environmental impact.