The 4-Chloro-3-ethyl-5-methyl-phenol, with the CAS registry number of 1125-66-2, is also known as Phenol, 4-chloro-3-ethyl-5-methyl-. Its molecular formula is C₉H₁₁ClO and molecular weight is 170.6404. What's more, its IUPAC name is 4-Chloro-3-ethyl-5-methylphenol.

Physical properties about the 4-Chloro-3-ethyl-5-methyl-phenol are: (1)ACD/LogP: 3.88; (2)# of Rule of 5 Violations: 0 ; (3)#H bond acceptors: 1; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 9.23 Å²; (7)Index of Refraction: 1.549; (8)Molar Refractivity: 47.4 cm³; (9)Molar Volume: 148.9 cm³; (10)Surface Tension: 39.1 dyne/cm; (11)Density: 1.145 g/cm³; (12)Flash Point: 115.2 °C; (13)Enthalpy of Vaporization: 52.53 kJ/mol; (14)Boiling Point: 267 °C at 760 mmHg; (15)Vapour Pressure: 0.00509 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Clc1c(cc(O)cc1CC)C
(2) InChI: InChI=1/C9H11ClO/c1-3-7-5-8(11)4-6(2)9(7)10/h4-5,11H,3H2,1-2H3
(3) InChIKey: KOIPGHKKJDOUNZ-UHFFFAOYAN