The Dehydrocostuslactone with the cas number 74299-48-2 with the cas number 74299-48-2 is also called Azuleno[4,5-b]furan-2(3H)-one,decahydro-3,6,9-tris(methylene)-. The systematic name is (3aS,6aR,9aR,9bS)-3,6,9-trimethylidenedecahydroazuleno[4,5-b]furan-2(3H)-one. Its molecular formula is C₁₅H₁₈O₂. This chemical belongs to Sesquiterpenoids..

The properties of the chemical are: (1)ACD/LogP: 3.40; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.4; (4)ACD/LogD (pH 7.4): 3.4; (5)ACD/BCF (pH 5.5): 225.25; (6)ACD/BCF (pH 7.4): 225.25; (7)ACD/KOC (pH 5.5): 1681.32; (8)ACD/KOC (pH 7.4): 1681.32; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 26.3Ų; (13)Index of Refraction: 1.536; (14)Molar Refractivity: 65.76 cm³; (15)Molar Volume: 210.8 cm³; (16)Polarizability: 26.06×10^-24cm³; (17)Surface Tension: 35.8 dyne/cm; (18)Enthalpy of Vaporization: 63.23 kJ/mol; (19)Vapour Pressure: 4.31×10^-6 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C/1O[C@H]3[C@H](C\1=C)CCC(=C)\[C@@H]2CC/C(=C)[C@@H]23
(2)InChI: InChI=1/C15H18O2/c1-8-4-7-12-10(3)15(16)17-14(12)13-9(2)5-6-11(8)13/h11-14H,1-7H2/t11-,12-,13-,14-/m0/s1
(3)InChIKey: NETSQGRTUNRXEO-XUXIUFHCBX