The cas register number of 5,6-Dihydrocyclopenta[b]thiophen-4-one is 5650-51-1. It also can be called as 4H-Cyclopenta[b]thiophen-4-one, 5,6-dihydro- and the Systematic name about this chemical is 5,6-dihydro-4H-cyclopenta[b]thiophen-4-one.

Physical properties about 5,6-Dihydrocyclopenta[b]thiophen-4-one are: (1)ACD/LogP: 1.88; (2)# of Rule of 5 Violations: 0 ; (3)#H bond acceptors: 1; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 0; (6)Polar Surface Area: 45.31Ų; (7)Index of Refraction: 1.624; (8)Molar Refractivity: 36.94 cm³; (9)Molar Volume: 104.5 cm³; (10)Surface Tension: 53.4 dyne/cm; (11)Density: 1.322 g/cm³; (12)Flash Point: 98.7 °C; (13)Enthalpy of Vaporization: 47.65 kJ/mol; (14)Boiling Point: 239.6 °C at 760 mmHg; (15)Vapour Pressure: 0.0398 mmHg at 25°C.

People can use the following data to convert to the molecule structure.
1.SMILES: O=C2c1c(scc1)CC2
2.InChI: InChI=1/C7H6OS/c8-6-1-2-7-5(6)3-4-9-7/h3-4H,1-2H2
3.InChIKey: KOBLGOHFGYWCRC-UHFFFAOYAC
4.Std. InChI: InChI=1S/C7H6OS/c8-6-1-2-7-5(6)3-4-9-7/h3-4H,1-2H2