The CAS registry number of Methanone,(2-chloro-4-pyridinyl)-1-pyrrolidinyl- is 720693-06-1. The IUPAC name is (2-chloropyridin-4-yl)-pyrrolidin-1-ylmethanone. In addition, the molecular formula is C₁₀H₁₁ClN₂O and the molecular weight is 210.66. It is a irritating chemical and it should be stored in a cool and dry place.

Physical properties about Methanone,(2-chloro-4-pyridinyl)-1-pyrrolidinyl- are: (1)ACD/LogP: 0.25; (2)ACD/LogD (pH 5.5): 0.25; (3)ACD/LogD (pH 7.4): 0.25 ; (4)#H bond acceptors: 3; (5)#Freely Rotating Bonds: 1; (6)Polar Surface Area: 33.2 Å²; (7)Index of Refraction: 1.589; (8)Molar Refractivity: 54.64 cm³; (9)Molar Volume: 161.9 cm³; (10)Polarizability: 21.66 ×10^-24cm³; (11)Surface Tension: 53.7 dyne/cm; (12)Density: 1.3 g/cm³; (13)Flash Point: 182.8 °C; (14)Enthalpy of Vaporization: 62.66 kJ/mol; (15)Boiling Point: 378.6 °C at 760 mmHg; (16)Vapour Pressure: 6.2E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: c1cnc(cc1C(=O)N2CCCC2)Cl
(2)InChI: InChI=1/C10H11ClN2O/c11-9-7-8(3-4-12-9)10(14)13-5-1-2-6-13/h3-4,7H,1-2,5-6H2
(3)InChIKey: PTHSPRAIXABXGD-UHFFFAOYAO