What are the physical and chemical properties of methyl 2-chloro-3-oxobutanoate (CAS: 4755-81-1)?

Methyl 2-chloro-3-oxobutanoate (CAS: 4755-81-1) is a crystalline compound with a molecular weight of approximately 147.57 g/mol. It is poorly soluble in water but soluble in organic solvents. Chemically, it is reactive towards nucleophiles and can undergo substitution reactions. It is stable under normal conditions but should be stored in a cool, dry place away from direct sunlight.