The Piperazine,2-(4-ethylphenyl)-, with the CAS registry number 910444-30-3, is also known as 2-(4-Ethylphenyl)piperazine. This chemical's molecular formula is C₁₂H₁₈N₂ and molecular weight is 190.28. 

Physical properties of Piperazine,2-(4-ethylphenyl)- are: (1)ACD/LogP: 1.50; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 2; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 24.06 Å²; (7)Index of Refraction: 1.516; (8)Molar Refractivity: 59.13 cm³; (9)Molar Volume: 195.5 cm³; (10)Polarizability: 23.44×10^-24 cm³; (11)Surface Tension: 35 dyne/cm; (12)Density: 0.973 g/cm³; (13)Flash Point: 191.6 °C; (14)Enthalpy of Vaporization: 56.7 kJ/mol; (15)Boiling Point: 324.9 °C at 760 mmHg; (16)Vapour Pressure: 0.000238 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: CCc1ccc(cc1)C2CNCCN2
(2)InChI: InChI=1/C12H18N2/c1-2-10-3-5-11(6-4-10)12-9-13-7-8-14-12/h3-6,12-14H,2,7-9H2,1H3
(3)InChIKey: XXPMLIBLWBCOEI-UHFFFAOYAK