The 1H-Pyrrole-2,5-dione,1-(2-methylpropyl)-, with the CAS registry number 4120-68-7, is also known as 1-Isobutyl-1H-pyrrole-2,5-dione. This chemical's molecular formula is C₈H₁₁NO₂ and molecular weight is 153.1784. What's more, its systematic name is called 1-(2-Methylpropyl)-1H-pyrrole-2,5-dione.

Physical properties about 1H-Pyrrole-2,5-dione,1-(2-methylpropyl)- are: (1)ACD/LogP: 1.56; (2)#of Rule of 5 Violations: 0; (3)#H bond acceptors: 3; (4)#H bond donors: 0 ; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 37.38 Å²; (7)Index of Refraction: 1.501; (8)Molar Refractivity: 40.42 cm³; (9)Molar Volume: 137 cm³; (10)Polarizability: 16.02×10^-24 cm³; (11)Surface Tension: 39.2 dyne/cm; (12)Density: 1.117 g/cm³; (13)Flash Point: 95.5 °C; (14)Enthalpy of Vaporization: 47.26 kJ/mol; (15)Boiling Point: 235.8 °C at 760 mmHg; (16)Vapour Pressure: 0.0491 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1/C=C\C(=O)N1CC(C)C
(2) InChI: InChI=1/C8H11NO2/c1-6(2)5-9-7(10)3-4-8(9)11/h3-4,6H,5H2,1-2H3
(3) InChIKey: NBIYKOUEZOEMMC-UHFFFAOYAC