The 2(3H)-Furanone,5-ethenyldihydro-, with CAS registry number 21963-38-2, has the systematic name of 4-ethenyldihydrofuran-2(3H)-one. Besides this, it is also called 5-Ethenyldihydro-2(3H)Furanone. And the chemical formula of this chemical is C₆H₈O₂.

Physical properties of 2(3H)-Furanone,5-ethenyldihydro-: (1)ACD/LogP: -0.04; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.04; (4)ACD/LogD (pH 7.4): -0.04; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 22.79; (8)ACD/KOC (pH 7.4): 22.79; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.55; (14)Molar Refractivity: 30.96 cm³; (15)Molar Volume: 97.1 cm³; (16)Polarizability: 12.27×10^-24cm³; (17)Surface Tension: 46.2 dyne/cm; (18)Density: 1.154 g/cm³; (19)Flash Point: 76.3 °C; (20)Enthalpy of Vaporization: 44.53 kJ/mol; (21)Boiling Point: 209 °C at 760 mmHg; (22)Vapour Pressure: 0.207 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OCC(\C=C)C1
(2)InChI: InChI=1/C6H8O2/c1-2-5-3-6(7)8-4-5/h2,5H,1,3-4H2
(3)InChIKey: AUJAAMXYEHZSLP-UHFFFAOYAV
(4)Std. InChI: InChI=1S/C6H8O2/c1-2-5-3-6(7)8-4-5/h2,5H,1,3-4H2
(5)Std. InChIKey: AUJAAMXYEHZSLP-UHFFFAOYSA-N