What regulatory guidelines apply to N-1-Methyl-4-(methylsulfonyl)-1,2-benzenediamine (CAS: 73097-51-5)?

N-1-Methyl-4-(methylsulfonyl)-1,2-benzenediamine is regulated under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) as a skin and eye irritant. In the European Union, it falls under the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation. Additionally, it may be subject to regulation by the US Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) depending on its intended use.