What regulatory guidelines apply to 4-Methyl-2-nitro-3-pyridinol (CAS: 15128-89-9)?

4-Methyl-2-nitro-3-pyridinol (CAS: 15128-89-9) falls under the scope of the GHS classification system, which includes health, physical, and environmental hazards. This compound may also require registration under REACH regulations in the European Union. For use in the United States, FDA and EPA regulations may apply, particularly for handling, storage, transportation, and disposal. Detailed safety data sheets (SDS) should be prepared according to these guidelines.