The CAS register number of 2-Furancarboxylic acid,tetrahydro-5-oxo- is 4344-84-7. It also can be called as Butyrolactone-5-carboxylic acid and the IUPAC name about this chemical is 5-oxooxolane-2-carboxylic acid. The molecular formula about this chemical is C₅H₆O₄ and the molecular weight is 130.098. It belongs to the following product category which includes Heterocyclic Compounds.

Physical properties about 2-Furancarboxylic acid,tetrahydro-5-oxo- are: (1)ACD/LogP: -1.40; (2)ACD/LogD (pH 5.5): -3.77; (3)ACD/LogD (pH 7.4): -5.04; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 4; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 52.6 Å²; (12)Index of Refraction: 1.505; (13)Molar Refractivity: 26.29 cm³; (14)Molar Volume: 88.5 cm³; (15)Polarizability: 10.42x10^-24cm³; (16)Surface Tension: 59.9 dyne/cm; (17)Density: 1.469 g/cm³; (18)Flash Point: 184.6 °C; (19)Enthalpy of Vaporization: 69.48 kJ/mol; (20)Boiling Point: 384.2 °C at 760 mmHg; (21)Vapour Pressure: 5.71E-07 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C1OC(=O)CC1
(2)InChI: InChI=1/C5H6O4/c6-4-2-1-3(9-4)5(7)8/h3H,1-2H2,(H,7,8)
(3)InChIKey: QVADRSWDTZDDGR-UHFFFAOYAK
(4)Std. InChI: InChI=1S/C5H6O4/c6-4-2-1-3(9-4)5(7)8/h3H,1-2H2,(H,7,8)
(5)Std. InChIKey: QVADRSWDTZDDGR-UHFFFAOYSA-N