What are the physical and chemical properties of 4-Bromo-1-benzothiophene-2-carboxylic acid (CAS: 5194-37-6)?

4-Bromo-1-benzothiophene-2-carboxylic acid (CAS: 5194-37-6) has a crystalline form and a molecular weight of approximately 269.02 g/mol. It is slightly soluble in water and more soluble in organic solvents like ethanol and acetonitrile. Chemically, it is reactive, particularly towards nucleophiles and electrophiles, and is often used in synthetic chemistry due to its bromine substituent.