This chemical is called 2(3H)-Furanone,3-(2-chloroacetyl)dihydro-, and its systematic name is 3-(2-chloroacetyl)tetrahydrofuran-2-one. With the molecular formula of C₆H₇ClO₃, its molecular weight is 162.57. The CAS registry number of this chemical is 393781-54-9. Additionally, its product category is Acetylhalide.

Other characteristics of the 2(3H)-Furanone,3-(2-chloroacetyl)dihydro- can be summarised as followings: (1)#H bond acceptors: 3; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 43.37 Å²; (5)Index of Refraction: 1.487; (6)Molar Refractivity: 34.23 cm³; (7)Molar Volume: 118.8 cm3; (8)Polarizability: 13.57×10^-24cm³; (9)Surface Tension: 45.1 dyne/cm; (10)Density: 1.367 g/cm³; (11)Flash Point: 162.9 °C; (12)Enthalpy of Vaporization: 57.57 kJ/mol; (13)Boiling Point: 332.9 °C at 760 mmHg; (14)Vapour Pressure: 0.000141 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C1OCCC1C(=O)CCl
2.InChI: InChI=1/C6H7ClO3/c7-3-5(8)4-1-2-10-6(4)9/h4H,1-3H2
3.InChIKey: OXSGDNOEYIMBQS-UHFFFAOYAJ