The Dihydro-5-methyl-3-methylene-2(3H)-furanone, with the CAS registry number 62873-16-9, is also known as γ-Methyl-α-methylene-γ-butyrolactone. This chemical's molecular formula is C₆H₈O₂ and molecular weight is 149.66. What's more, its systematic name is 5-Methyl-3-methylenedihydro-2(3H)-furanone.

Physical properties of Dihydro-5-methyl-3-methylene-2(3H)-furanone are: (1)ACD/LogP: 0.187; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.19; (4)ACD/LogD (pH 7.4): 0.19; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 30.13; (8)ACD/KOC (pH 7.4): 30.13; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.451; (14)Molar Refractivity: 29.152 cm³; (15)Molar Volume: 108.236 cm³; (16)Polarizability: 11.557×10^-24cm³; (17)Surface Tension: 28.3 dyne/cm; (18)Density: 1.036 g/cm³; (19)Flash Point: 81.488 °C; (20)Enthalpy of Vaporization: 45.542 kJ/mol; (21)Boiling Point: 219.015 °C at 760 mmHg; (22)Vapour Pressure: 0.1 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C/1OC(C)CC\1=C
(2)Std. InChI: InChI=1S/C6H8O2/c1-4-3-5(2)8-6(4)7/h5H,1,3H2,2H3
(3)Std. InChIKey: KYLUHLJIAMFYKW-UHFFFAOYSA-N