The CAS registry number of 1,8-Naphthyridin-2(1H)-one,7-chloro- is 15944-34-0. The IUPAC name is 7-chloro-1,8-naphthyridin-2(1H)-one. In addition, the molecular formula is C₈H₅ClN₂O and the molecular weight is 180.59. It should be stored in a cool and dry place.

Physical properties about 1,8-Naphthyridin-2(1H)-one, 7-chloro- are: (1)ACD/LogP: 1.10; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1; (4)ACD/LogD (pH 7.4): 1; (5)ACD/BCF (pH 5.5): 4; (6)ACD/BCF (pH 7.4): 4; (7)ACD/KOC (pH 5.5): 98; (8)ACD/KOC (pH 7.4): 97; (9)#H bond acceptors: 3; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 41.99 Å²; (13)Index of Refraction: 1.616; (14)Molar Refractivity: 44.496 cm³; (15)Molar Volume: 127.261 cm³; (16)Polarizability: 17.639 ×10^-24cm³(17)Surface Tension: 54.79 dyne/cm; (18)Density: 1.419 g/cm³; (19)Flash Point: 198.548 °C; (20)Enthalpy of Vaporization: 65.617 kJ/mol; (21)Boiling Point: 404.688 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Clc1ccc2/C=C\C(=O)Nc2n1
(2) InChI: InChI=1/C8H5ClN2O/c9-6-3-1-5-2-4-7(12)11-8(5)10-6/h1-4H,(H,10,11,12)
(3) InChIKey: VOFMYNBQUTUEOS-UHFFFAOYAE