What regulatory guidelines apply to 3-Methoxy-4-nitrobenzoic acid (CAS: 5081-36-7)?

3-Methoxy-4-nitrobenzoic acid (CAS: 5081-36-7) falls under the GHS classification system as a skin and eye irritant. It is also subject to regulatory requirements under REACH in the EU, which includes registration, evaluation, authorization, and restriction of chemicals. In the United States, FDA and EPA regulations may apply for its use in pharmaceuticals and environmental protection respectively. Users should consult the Material Safety Data Sheet (MSDS) for detailed information on handling and storage requirements.