What regulatory guidelines apply to 6-hydroxy-4-methyl-1,2-dihydropyridin-2-one (CAS: 4664-16-8)?

6-Hydroxy-4-methyl-1,2-dihydropyridin-2-one (CAS: 4664-16-8) must comply with the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) for classification and labeling. In the European Union, it falls under the REACH regulation, which requires registration and assessment of substances. FDA and EPA regulations may apply based on its intended use, such as pharmaceuticals or pesticides. Proper handling, storage, and disposal must adhere to these guidelines to ensure safety and legal compliance.