The 2(1H)-Quinolinone,4-bromo-, with the CAS registry number 938-39-6, has the systematic name of 4-bromoquinolin-2(1H)-one. It is a kind of organics, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C₉H₆BrNO.

The characteristics of 2(1H)-Quinolinone,4-bromo- are as followings: (1)ACD/LogP: 2.20; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2; (4)ACD/LogD (pH 7.4): 2; (5)ACD/BCF (pH 5.5): 10; (6)ACD/BCF (pH 7.4): 10; (7)ACD/KOC (pH 5.5): 180; (8)ACD/KOC (pH 7.4): 180; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 29.1 Å²; (13)Index of Refraction: 1.654; (14)Molar Refractivity: 49.292 cm³; (15)Molar Volume: 134.44 cm³; (16)Polarizability: 19.541×10^-24cm³; (17)Surface Tension: 52.96 dyne/cm; (18)Density: 1.667 g/cm³; (19)Flash Point: 184.349 °C; (20)Enthalpy of Vaporization: 62.946 kJ/mol; (21)Boiling Point: 381.209 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Br/C2=C/C(=O)Nc1ccccc12
(2)InChI: InChI=1/C9H6BrNO/c10-7-5-9(12)11-8-4-2-1-3-6(7)8/h1-5H,(H,11,12)
(3)InChIKey: WIVIYVYDZYAUMB-UHFFFAOYAA