This chemical is called Benzeneacetonitrile, 4-bromo-a-oxo-, and its systematic name is (4-bromophenyl)(oxo)acetonitrile. With the molecular formula of C₈H₄BrNO, its molecular weight is 210.03. The CAS registry number of this chemical is 6048-21-1.

Other characteristics of the chemical can be summarised as followings: (1)ACD/LogP: 1.98; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.98; (4)ACD/LogD (pH 7.4): 1.98; (5)ACD/BCF (pH 5.5): 18.84; (6)ACD/BCF (pH 7.4): 18.84; (7)ACD/KOC (pH 5.5): 284.63; (8)ACD/KOC (pH 7.4): 284.63; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 40.86 Å²; (13)Index of Refraction: 1.587; (14)Molar Refractivity: 43.88 cm³; (15)Molar Volume: 130.5 cm³; (16)Polarizability: 17.39×10^-24cm³; (17)Surface Tension: 52.4 dyne/cm; (18)Density: 1.609 g/cm³; (19)Flash Point: 121.6 °C; (20)Enthalpy of Vaporization: 51.6 kJ/mol; (21)Boiling Point: 277.4 °C at 760 mmHg; (22)Vapour Pressure: 0.00452 mmHg at 25°C.

Production method of this chemical: The Benzeneacetonitrile, 4-bromo-a-oxo- ould be obtained by the reactant of (4-bromo-phenyl)-oxo-acetaldehyde. This reaction needs the reagent of 1-Amino-4,6-diphenyl-2-pyridone, and the solvent of toluene. The yield is 93 %. In addition, this reaction should be taken for 6 hours at 110 °C.

Uses of this chemical: The Benzeneacetonitrile, 4-bromo-a-oxo- could react with 3-bromo-propene, and obtain the 1-(4-bromophenyl)but-3-en-1-one. This reaction needs the reagent of In, and the solvent of tetrahydrofuran. The yield is 75 %.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(C#N)c1ccc(Br)cc1
2.InChI: InChI=1/C8H4BrNO/c9-7-3-1-6(2-4-7)8(11)5-10/h1-4H
3.InChIKey:IHDSSYQEYNYRBH-UHFFFAOYAV