What are the physical and chemical properties of 4-[(2-Aminoethyl)(5-chloro-1,3-benzoxazol-2-yl)amino]-2-butanone methanesulfonate (CAS: 1276666-12-6)?

4-[(2-Aminoethyl)(5-chloro-1,3-benzoxazol-2-yl)amino]-2-butanone methanesulfonate (CAS: 1276666-12-6) is a crystalline compound with a molecular weight of approximately 456.05 g/mol. It has a high solubility in organic solvents like DMSO and slightly lower solubility in water. Chemically, it shows moderate reactivity towards nucleophiles and can undergo substitution reactions easily. It is a useful intermediate in organic synthesis and can form stable complexes with various metal ions.