The CAS registry number of Ethanone,1-(3-hydroxy-2-thienyl)- is 5556-07-0. The IUPAC name is 1-(3-hydroxythiophen-2-yl)ethanone. In addition, the molecular formula is C₆H₆O₂S and the molecular weight is 142.1756. It should be stored in a cool and dry place.

Physical properties about Ethanone,1-(3-hydroxy-2-thienyl)- are: (1)ACD/LogP: 1.44; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2; (4)ACD/LogD (pH 7.4): 2; (5)ACD/BCF (pH 5.5): 9; (6)ACD/BCF (pH 7.4): 9; (7)ACD/KOC (pH 5.5): 167; (8)ACD/KOC (pH 7.4): 166; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 65.54Ų; (13)Index of Refraction: 1.586; (14)Molar Refractivity: 36.547 cm³; (15)Molar Volume: 108.873 cm³; (16)Polarizability: 14.488×10^-24cm³; (17)Surface Tension: 50.777 dyne/cm; (18)Density: 1.306 g/cm³; (19)Flash Point: 106.089 °C; (20)Enthalpy of Vaporization: 50.891 kJ/mol; (21)Boiling Point: 251.806 °C at 760 mmHg; (22)Vapour Pressure: 0.013 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: CC(=O)c1sccc1O
(2)InChI: InChI=1/C6H6O2S/c1-4(7)6-5(8)2-3-9-6/h2-3,8H,1H3
(3)InChIKey: FWZMXOHXLLSSSL-UHFFFAOYAL