This chemical is called Cyclopentyl Acetaldehyde, and its CAS registry number is 5623-81-4. With the molecular formula of C₇H₁₂O, its molecular weight is 112.17. Additionally, its product categories are Pharmaceutical Intermediates. 

Other characteristics of the Cyclopentyl Acetaldehyde can be summarised as followings: (1)ACD/LogP: 1.87; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.87; (4)ACD/LogD (pH 7.4): 1.87; (5)ACD/BCF (pH 5.5): 15.54; (6)ACD/BCF (pH 7.4): 15.54; (7)ACD/KOC (pH 5.5): 247.96; (8)ACD/KOC (pH 7.4): 247.96; (9)#H bond acceptors: 1 #H bond donors: 0; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 17.07 Å²; (12)Index of Refraction: 1.439; (13)Molar Refractivity: 32.57 cm³; (14)Molar Volume: 123.6 cm³; (15)Polarizability: 12.91×10^-24cm³; (16)Surface Tension: 31.6 dyne/cm; (17)Density: 0.907 g/cm³; (18)Flash Point: 44.9 °C; (19)Enthalpy of Vaporization: 40.18 kJ/mol; (20)Boiling Point: 165.3 °C at 760 mmHg; (21)Vapour Pressure: 1.88 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=CCC1CCCC1
2.InChI: InChI=1/C7H12O/c8-6-5-7-3-1-2-4-7/h6-7H,1-5H2
3.InChIKey: CEUXIAUEIGSQSZ-UHFFFAOYAR