The Furan,2,3,4,5-tetraphenyl-, with the CAS registry number 1056-77-5, is also known as 2,3,4,5-Tetraphenylfuran. This chemical's molecular formula is C₂₈H₂₀O and molecular weight is 372.46. What's more, its systematic name is tetraphenylfuran. 

Physical properties of Furan,2,3,4,5-tetraphenyl- are: (1)ACD/LogP: 7.95; (2)# of Rule of 5 Violations: 1; (3)#H bond acceptors: 1; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 4; (6)Polar Surface Area: 13.14Ų; (7)Index of Refraction: 1.618; (8)Molar Refractivity: 116.92 cm³; (9)Molar Volume: 333.3 cm³; (10)Polarizability: 46.35×10^-24cm³; (11)Surface Tension: 43.2 dyne/cm; (12)Density: 1.117 g/cm³; (13)Flash Point: 206.9 °C; (14)Enthalpy of Vaporization: 65.39 kJ/mol; (15)Boiling Point: 425.6 °C at 760 mmHg; (16)Vapour Pressure: 4.69E-07 mmHg at 25°C.

Preparation: this chemical can be prepared by (Z)-1,2,3,4-tetraphenyl-but-2-ene-1,4-dione at 140°C. This reaction will need reagent hydriodic acid.

Uses of Furan,2,3,4,5-tetraphenyl-: it can be used to produce cis-Dibenzoyl-stilben-oxid under the heating conditon. It will need reagent 6-phenyl-1,3,8-trimethylpteridin-2,4,7-trione 6,8'-endoperoxide and solvent CH₂Cl₂.The yield is about 84%.

You can still convert the following datas into molecular structure:
(1)SMILES: o1c(c(c(c1c2ccccc2)c3ccccc3)c4ccccc4)c5ccccc5
(2)Std. InChI: InChI=1S/C28H20O/c1-5-13-21(14-6-1)25-26(22-15-7-2-8-16-22)28(24-19-11-4-12-20-24)29-27(25)23-17-9-3-10-18-23/h1-20H
(3)Std. InChIKey: FWLFKBDHSBFSMW-UHFFFAOYSA-N