The CAS register number of Octadecanoic acid,octyl ester is 109-36-4. It also can be called as Octyl stearate and the IUPAC name about this chemical is octyl octadecanoate. The molecular formula about this chemical is C₂₆H₅₂O₂ and the molecular weight is 396.69.

Physical properties about Octadecanoic acid,octyl ester are: (1)ACD/LogP: 12.40; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 12.4; (4)ACD/LogD (pH 7.4): 12.4; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 10000000; (9)#H bond acceptors: 2; (10)#Freely Rotating Bonds: 24; (11)Polar Surface Area: 26.3 Å²; (12)Index of Refraction: 1.451; (13)Molar Refractivity: 124.27 cm³; (14)Molar Volume: 461.1 cm³; (15)Polarizability: 49.26x10^-24cm³; (16)Surface Tension: 31.3 dyne/cm; (17)Density: 0.86 g/cm³; (18)Flash Point: 225.6 °C; (19)Enthalpy of Vaporization: 69.55 kJ/mol; (20)Boiling Point: 438.7 °C at 760 mmHg; (21)Vapour Pressure: 6.79E-08 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OCCCCCCCC)CCCCCCCCCCCCCCCCC
(2)InChI: InChI=1/C26H52O2/c1-3-5-7-9-11-12-13-14-15-16-17-18-19-20-22-24-26(27)28-25-23-21-10-8-6-4-2/h3-25H2,1-2H3
(3)InChIKey: IIGMITQLXAGZTL-UHFFFAOYAP
(4)Std. InChI: InChI=1S/C26H52O2/c1-3-5-7-9-11-12-13-14-15-16-17-18-19-20-22-24-26(27)28-25-23-21-10-8-6-4-2/h3-25H2,1-2H3
(5)Std. InChIKey: IIGMITQLXAGZTL-UHFFFAOYSA-N