The Eicosanoic acid,2-hydroxy-, with the CAS registry number 16742-48-6, is also known as Eicosanoic acid, R-2-hydroxy-. This chemical's molecular formula is C₂₀H₄₀O₃ and molecular weight is 328.53. What's more, its IUPAC name is 2-Hydroxyicosanoic acid. 

Physical properties of Eicosanoic acid,2-hydroxy- are: (1)ACD/LogP: 8.34; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.23; (4)ACD/LogD (pH 7.4): 4.77; (5)ACD/BCF (pH 5.5): 9960.47; (6)ACD/BCF (pH 7.4): 349.58; (7)ACD/KOC (pH 5.5): 6382.71; (8)ACD/KOC (pH 7.4): 224.01; (9)#H bond acceptors: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 19; (12)Polar Surface Area: 35.53 Å²; (13)Index of Refraction: 1.468; (14)Molar Refractivity: 97.76 cm³; (15)Molar Volume: 351.1 cm³; (16)Polarizability: 38.75×10^-24cm³; (17)Surface Tension: 36.5 dyne/cm; (18)Density: 0.935 g/cm³; (19)Flash Point: 245.4 °C; (20)Enthalpy of Vaporization: 82.96 kJ/mol; (21)Boiling Point: 458.9 °C at 760 mmHg; (22)Vapour Pressure: 2.39E-10 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C(O)CCCCCCCCCCCCCCCCCC
(2)Std. InChI: InChI=1S/C20H40O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(21)20(22)23/h19,21H,2-18H2,1H3,(H,22,23)
(3)Std. InChIKey: CPLYLXYEVLGWFJ-UHFFFAOYSA-N