The CAS register number of Tricyclo(4.2.1.02,5)nonane-3,4-dione, syn- is 67843-62-3. It also can be called as anti-Tricyclo[4.2.1.02,5]nona-3,4-dione and the systematic name about this chemical is tricyclo[4.2.1.0~2,5~]nonane-3,4-dione. The molecular formula about this chemical is C₉H₁₀O₂ and the molecular weight is 150.1745.

Physical properties about Tricyclo(4.2.1.02,5)nonane-3,4-dione, syn- are: (1)ACD/LogP: 0.38; (2)ACD/LogD (pH 5.5): 0.38; (3)ACD/LogD (pH 7.4): 0.38; (4)ACD/BCF (pH 5.5): 1.14; (5)ACD/BCF (pH 7.4): 1.14; (6)ACD/KOC (pH 5.5): 38.31; (7)ACD/KOC (pH 7.4): 38.31; (8)#H bond acceptors: 2; (9)Polar Surface Area: 34.14 Å²; (10)Index of Refraction: 1.574; (11)Molar Refractivity: 37.87 cm³; (12)Molar Volume: 114.7 cm³; (13)Polarizability: 15.01x10^-24cm³; (14)Surface Tension: 49.4 dyne/cm; (15)Density: 1.309 g/cm³; (16)Flash Point: 100.9 °C; (17)Enthalpy of Vaporization: 50.06 kJ/mol; (18)Boiling Point: 262.8 °C at 760 mmHg; (19)Vapour Pressure: 0.0106 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1C(=O)C2C1C3CCC2C3
(2)InChI: InChI=1/C9H10O2/c10-8-6-4-1-2-5(3-4)7(6)9(8)11/h4-7H,1-3H2
(3)InChIKey: ORYDRYMEZOIOGV-UHFFFAOYAW
(4)Std. InChI: InChI=1S/C9H10O2/c10-8-6-4-1-2-5(3-4)7(6)9(8)11/h4-7H,1-3H2
(5)Std. InChIKey: ORYDRYMEZOIOGV-UHFFFAOYSA-N