1Ethyl 7-chloro-2-oxoheptanoate. 2CAS,78834-75-0 3molecular formula,C9H15ClO3 4molecular weight,206.67 1Ethyl 7-chloro-2-oxoheptanoate.2CAS,78834-75-0 3molecular formula,C9H15ClO34molecular weight,206.675.Manufactured by :shandong yikang pharmaceutical Co.,ltd Ethyl 7-chloro-2-oxoheptanoate