What regulatory guidelines apply to 5-Chloro-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid (CAS: 800401-63-2)?

The compound 5-Chloro-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid (CAS: 800401-63-2) is subject to various regulatory guidelines depending on its intended use. It is classified under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) as a hazardous substance due to its potential to cause skin and eye irritation. In the European Union, it falls under the REACH regulations, requiring manufacturers and importers to register the substance if the annual tonnage exceeds one ton. Additionally, the U.S. Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) may have specific requirements for its handling and use, particularly in pharmaceutical applications.