The CAS registry number of 1-Naphthalenebutanoicacid, g-oxo-, ethyl ester is 73931-66-5. This chemical's molecular formula is C₁₆H₁₆O₃ and molecular weight is 256.2964. What's more, its systematic name is called Ethyl 4-(naphthalen-1-yl)-4-oxobutanoate.

Physical properties about 1-Naphthalenebutanoicacid, g-oxo-, ethyl ester are: (1)ACD/LogP: 3.62; (2)#of Rule of 5 Violations: 0; (3)#H bond acceptors: 3; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 6; (6)Polar Surface Area: 43.37 Å²; (7)Index of Refraction: 1.577; (8)Molar Refractivity: 74.42 cm³; (9)Molar Volume: 224.5 cm³; (10)Polarizability: 29.5×10^-24 cm³; (11)Surface Tension: 44.5 dyne/cm; (12)Density: 1.141 g/cm³; (13)Flash Point: 186.6 °C; (14)Enthalpy of Vaporization: 67.3 kJ/mol; (15)Boiling Point: 419.3 °C at 760 mmHg; (16)Vapour Pressure: 3.06E-07 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(OCC)CCC(=O)c2cccc1ccccc12
(2) InChI: InChI=1/C16H16O3/c1-2-19-16(18)11-10-15(17)14-9-5-7-12-6-3-4-8-13(12)14/h3-9H,2,10-11H2,1H3
(3) InChIKey: XWRHWEPJARAHBP-UHFFFAOYAG