The 1H-Pyrrole-2,5-dione,1-(3,4-dichlorophenyl)-, with the CAS registry number 19844-27-0, is also known as 1-(3,4-Dichlorophenyl)maleimide. This chemical's molecular formula is C₁₀H₅Cl₂NO₂ and molecular weight is 242.06. What's more, its systematic name is called 1-(3,4-Dichlorophenyl)-1H-pyrrole-2,5-dione. When you are dealing with this chemical, you should be very careful. This chemical may cause inflammation to the skin or other mucous membranes. 

Physical properties about 1H-Pyrrole-2,5-dione,1-(3,4-dichlorophenyl)- are: (1) ACD/LogP: 2.17; (2) # of Rule of 5 Violations: 0; (3) #H bond acceptors: 3; (4) #H bond donors: 0; (5) #Freely Rotating Bonds: 1; (6) Polar Surface Area: 37.38 Å²; (7) Index of Refraction: 1.648; (8) Molar Refractivity: 56.11 cm³; (9)Molar Volume: 154.1 cm³; (10) Surface Tension: 62.2 dyne/cm; (11) Density: 1.57 g/cm³; (12) Flash Point: 193.4 °C; (13) Enthalpy of Vaporization: 64.64 kJ/mol; (14) Boiling Point: 396.2 °C at 760 mmHg; (15) Vapour Pressure: 1.74E-06 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Clc1c(Cl)cc(cc1)N2C(=O)\C=C/C2=O
(2) InChI: InChI=1/C10H5Cl2NO2/c11-7-2-1-6(5-8(7)12)13-9(14)3-4-10(13)15/h1-5H
(3) InChIKey: PJBXBDSTURWRBO-UHFFFAOYAV