What regulatory guidelines apply to 4-(4-Chloro-2-methylphenoxy)butanoic acid (CAS: 94-81-5)?

4-(4-Chloro-2-methylphenoxy)butanoic acid (CAS: 94-81-5) is subject to various regulatory guidelines. It falls under the GHS (Globally Harmonized System of Classification and Labelling of Chemicals) for classification as a toxic substance. In the EU, it is regulated under REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals). Additionally, it is subject to FDA and EPA regulations in the United States, including reporting requirements and safety data sheets (SDS).