What regulatory guidelines apply to 5-Methyl-2-thiophenecarbonitrile (CAS: 72835-25-7)?

5-Methyl-2-thiophenecarbonitrile (CAS: 72835-25-7) is classified under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), which requires specific hazard communication elements such as signal words, pictograms, and hazard statements. Additionally, it falls under the European Union's Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, necessitating detailed dossier submission for substances above one tonne per annum. The U.S. Food and Drug Administration (FDA) and Environmental Protection Agency (EPA) may also impose additional requirements for its use and disposal in the manufacturing and commercial sectors.