This chemical is called 2(5H)-Furanone,3,4-dichloro-5-hydroxy-, and its IUPAC name is 3,4-dichloro-2-hydroxy-2H-furan-5-one. With the molecular formula of C₄H₂Cl₂O₃, its molecular weight is 168.96. The CAS registry number of this chemical is 766-40-5.

Other characteristics of the 2(5H)-Furanone,3,4-dichloro-5-hydroxy- can be summarised as followings: (1)ACD/LogP: -0.26; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.26; (4)ACD/LogD (pH 7.4): -0.31; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 17.14; (8)ACD/KOC (pH 7.4): 15.19; (9)#H bond acceptors: 3; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 35.53 Å²; (13)Index of Refraction: 1.572; (14)Molar Refractivity: 31 cm³; (15)Molar Volume: 94.1 cm³; (16)Polarizability: 12.29×10^-24cm³; (17)Surface Tension: 57.2 dyne/cm; (18)Density: 1.79 g/cm³; (19)Flash Point: 100 °C; (20)Enthalpy of Vaporization: 71.02 kJ/mol; (21)Boiling Point: 367.2 °C at 760 mmHg; (22)Vapour Pressure: 6.97E-07 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.InChI: InChI=1/C4H2Cl2O3/c5-1-2(6)4(8)9-3(1)7/h3,7H
2.Smiles: C1(=C([C@@H](O)OC1=O)Cl)Cl