The 5-Chloro-2,4-difluorobenzonitrile, with the CAS registry number 146780-26-9, is also known as Benzonitrile,5-chloro-2,4-difluoro-. This chemical's molecular formula is C₇H₂ClF₂N and molecular weight is 173.55. What's more, systematic name of 5-Chloro-2,4-difluorobenzonitrile is called 5-Chloro-2,4-difluorobenzonitrile. 

Physical properties about this chemical are: (1) ACD/LogP: 2.66; (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): 35; (6) ACD/BCF (pH 7.4): 35; (7) ACD/KOC (pH 5.5): 447; (8) ACD/KOC (pH 7.4): 447; (9) #H bond acceptors: 1; (10) #H bond donors: 0; (11) #Freely Rotating Bonds: 0; (12) Polar Surface Area: 23.79 Å²; (13) Index of Refraction: 1.513; (14) Molar Refractivity: 36.373 cm³; (15) Molar Volume: 120.984 cm³; (16) Surface Tension: 40.315 dyne/cm; (17) Density: 1.434 g/cm³; (18) Flash Point: 77.824 °C; (19) Enthalpy of Vaporization: 44.13 kJ/mol; (20) Boiling Point: 205.07 °C at 760 mmHg; (21) Vapour Pressure: 0.255 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Fc1cc(F)c(Cl)cc1C#N
(2) InChI: InChI=1/C7H2ClF2N/c8-5-1-4(3-11)6(9)2-7(5)10/h1-2H
(3) InChIKey: JPKFRPZCKNFWIJ-UHFFFAOYAQ