What are the main uses of Ethyl 4-chloro-4-oxobutanoate (CAS: 14794-31-1)?

Ethyl 4-chloro-4-oxobutanoate (CAS: 14794-31-1) is widely used in the pharmaceutical industry for synthesizing active drug compounds. It also serves as an industrial reagent for producing specialty chemicals, including pesticides and dyes. In research settings, it is employed as a building block for organic reactions and is occasionally used in food flavoring applications, though its primary focus remains on non-food sectors.