What are the physical and chemical properties of Methyl 4-amino-3-thiophenecarboxylate (CAS: 69363-85-5)?

Methyl 4-amino-3-thiophenecarboxylate (CAS: 69363-85-5) is a crystalline solid with a molecular weight of approximately 216.24 g/mol. It is slightly soluble in water but soluble in organic solvents like ethanol and acetone. Chemically, it is a thiophene derivative with an amino group, which makes it reactive towards nucleophiles and can participate in various chemical reactions such as esterification and nucleophilic substitution.