What are the physical and chemical properties of 5-Methoxy-1-benzofuran-2-carboxylic acid (CAS: 10242-08-7)?

5-Methoxy-1-benzofuran-2-carboxylic acid (CAS: 10242-08-7) is a crystalline solid with a molecular weight of approximately 200.22 g/mol. It has a slight solubility in water and is more soluble in organic solvents. This compound is moderately reactive, particularly towards nucleophilic substitution reactions. It is stable under normal laboratory conditions but should be stored in a dry, cool place to prevent hydrolysis.