The 2-Chloro-6-fluoroquinoxaline with cas registry number of 55687-33-7, has the systematic name of 2-chloro-6-fluoroquinoxaline. And it is also named quinoxaline, 2-chloro-6-fluoro-.

Physical properties about this chemical are: (1)ACD/LogP: 2.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.43; (4)ACD/LogD (pH 7.4): 2.43; (5)ACD/BCF (pH 5.5): 41.61; (6)ACD/BCF (pH 7.4): 41.61; (7)ACD/KOC (pH 5.5): 501.95; (8)ACD/KOC (pH 7.4): 501.95; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 25.78 Å²; (13)Index of Refraction: 1.634; (14)Molar Refractivity: 45.16 cm³; (15)Molar Volume: 126.1 cm³; (16)Polarizability: 17.9×10^-24cm³; (17)Surface Tension: 54.2 dyne/cm; (18)Enthalpy of Vaporization: 47.46 kJ/mol; (19)Vapour Pressure: 0.0239 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
(1)SMILES: Fc1ccc2nc(Cl)cnc2c1;
(2)InChI: InChI=1/C8H4ClFN2/c9-8-4-11-7-3-5(10)1-2-6(7)12-8/h1-4H;
(3)InChIKey: QQEWXGTYYUSXII-UHFFFAOYAW;
(4)Std. InChI: InChI=1S/C8H4ClFN2/c9-8-4-11-7-3-5(10)1-2-6(7)12-8/h1-4H;
(5)Std. InChIKey: QQEWXGTYYUSXII-UHFFFAOYSA-N