The Ethanone,1,1'-(1H-indole-1,3-diyl)bis-, with the CAS registry number 17537-64-3, is also known as 1,3-Diacetyl-1H-indole. Its EINECS number is 241-532-5. This chemical's molecular formula is C₁₂H₁₁NO₂ and molecular weight is 201.22. What's more, its IUPAC name is 1-(1-acetylindol-3-yl)ethanone. It is stable at common pressure and temperature, and it should be sealed and stored in containers with dry inert gas which are placed in ventilated and dry places. Moreover, it should be protected from oxides and water. You should not breathe dust. When using it, you must avoid contact with skin and eyes. 

Physical properties of Ethanone,1,1'-(1H-indole-1,3-diyl)bis- are: (1)ACD/LogP: 1.63; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.63; (4)ACD/LogD (pH 7.4): 1.63; (5)ACD/BCF (pH 5.5): 10.19; (6)ACD/BCF (pH 7.4): 10.19; (7)ACD/KOC (pH 5.5): 183.29; (8)ACD/KOC (pH 7.4): 183.29; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 39.07 Å²; (13)Index of Refraction: 1.588; (14)Molar Refractivity: 58.03 cm³; (15)Molar Volume: 172.3 cm³; (16)Polarizability: 23×10^-24cm³; (17)Surface Tension: 41.8 dyne/cm; (18)Density: 1.16 g/cm³; (19)Flash Point: 158.7 °C; (20)Enthalpy of Vaporization: 58.22 kJ/mol; (21)Boiling Point: 338.8 °C at 760 mmHg; (22)Vapour Pressure: 9.56E-05 mmHg at 25°C.

Preparation of Ethanone,1,1'-(1H-indole-1,3-diyl)bis-: this chemical can be prepared by indole and acetic acid anhydride. This reaction will need reagent acetic acid. The yield is about 44%.

Uses of Ethanone,1,1'-(1H-indole-1,3-diyl)bis-: it can be used to produce 1-indol-3-yl-ethanone at the temperature of 20 °C. It will need reagents potash, H₂O and solvent methanol with the reaction time of 15 min. The yield is about 83%.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC(=O)C1=CN(C2=CC=CC=C21)C(=O)C
(2)InChI: InChI=1S/C12H11NO2/c1-8(14)11-7-13(9(2)15)12-6-4-3-5-10(11)12/h3-7H,1-2H3
(3)InChIKey: STUZJORZRZCLRI-UHFFFAOYSA-N