The CAS registry number of a-D-Mannofuranose,2,3:5,6-di-O-cyclohexylidene- is 61489-23-4. This chemical's molecular formula is C₁₈H₂₈O₆ and molecular weight is 340.411. What's more, both its IUPAC name and systematic name are the same which is called (3aS,4S,6R,6aS)-6-[(3R)-1,4-Dioxaspiro[4.5]decan-3-yl]spiro[3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxole-2,1'-cyclohexane]-4-ol.

Physical properties about a-D-Mannofuranose,2,3:5,6-di-O-cyclohexylidene- are: (1)ACD/LogP: 3.95; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 6; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 55.38 Å²; (7)Index of Refraction: 1.562; (8)Molar Refractivity: 85.33 cm³; (9)Molar Volume: 262.9 cm³; (10)Polarizability: 33.82×10^-24cm³; (11)Surface Tension: 51.6 dyne/cm; (12)Density: 1.29 g/cm³; (13)Flash Point: 260.6 °C; (14)Enthalpy of Vaporization: 89.49 kJ/mol; (15)Boiling Point: 507.3 °C at 760 mmHg; (16)Vapour Pressure: 2.06E-12 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O2[C@@H]([C@@H]1OC3(O[C@@H]1[C@H]2O)CCCCC3)[C@@H]4OC5(OC4)CCCCC5
(2) InChI: InChI=1/C18H28O6/c19-16-15-14(23-18(24-15)9-5-2-6-10-18)13(21-16)12-11-20-17(22-12)7-3-1-4-8-17/h12-16,19H,1-11H2/t12-,13-,14+,15+,16+/m1/s1
(3) InChIKey: DBZINKYMMNBMIR-OWYFMNJBBV