What regulatory guidelines apply to 5-((2-(Methylamino)-5-nitrophenyl)amino)-5-oxopentanoic acid (CAS: 91644-13-2)?

5-((2-(Methylamino)-5-nitrophenyl)amino)-5-oxopentanoic acid (CAS: 91644-13-2) falls under various regulatory guidelines. It is classified under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) as a hazardous substance due to its potential health and environmental risks. Additionally, it is regulated under REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) in the EU, requiring manufacturers and importers to register the substance if it meets certain tonnage thresholds. In the US, the Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) have oversight over its use and handling, particularly in pharmaceutical and industrial applications.