The 1H-Pyrrole-2,5-dione,1,1'-(1,9-nonanediyl)bis-, with the CAS registry number 38460-50-3, is also known as 1,9-Bis(maleimide)nonane. It belongs to the product category of Pharmacetical. This chemical's molecular formula is C₁₇H₂₂N₂O₄ and molecular weight is 318.3676. What's more, its systematic name is called 1,1'-Nonane-1,9-diylbis(1H-pyrrole-2,5-dione).

Physical properties about this chemical are: (1)ACD/LogP: 3.27; (2)#of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.27; (4)ACD/LogD (pH 7.4): 3.27; (5)ACD/BCF (pH 5.5): 180.03; (6)ACD/BCF (pH 7.4): 180.03; (7)ACD/KOC (pH 5.5): 1432.15; (8)ACD/KOC (pH 7.4): 1432.15; (9)#H bond acceptors: 6; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 10; (12)Polar Surface Area: 74.76 Å²; (13)Index of Refraction: 1.552; (14)Molar Refractivity: 83.52 cm³; (15)Molar Volume: 261.2 cm³; (16)Polarizability: 33.11×10^-24 cm³; (17)Surface Tension: 51.6 dyne/cm; (18)Density: 1.218 g/cm³; (19)Flash Point: 211.7 °C; (20)Enthalpy of Vaporization: 74.65 kJ/mol; (21)Boiling Point: 481.7 °C at 760 mmHg; (22)Vapour Pressure: 1.94E-09 mmHg at 25 °C.

Preparation of 1H-Pyrrole-2,5-dione,1,1'-(1,9-nonanediyl)bis-: this chemical can be prepared by 2,5-Dioxo-2,5-dihydro-pyrrole-1-carboxylic acid methyl ester and Nonane-1,9-diamine.

This reaction needs reagent NaHCO₃ and solvent Tetrahydrofuran at ambient temperature. The reaction time is 3 hours. The yield is 90%.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1\C=C/C(=O)N1CCCCCCCCCN2C(=O)\C=C/C2=O
(2) InChI: InChI=1/C17H22N2O4/c20-14-8-9-15(21)18(14)12-6-4-2-1-3-5-7-13-19-16(22)10-11-17(19)23/h8-11H,1-7,12-13H2
(3) InChIKey: CKUARIJSQIFRQN-UHFFFAOYAY