The CAS register number of 2H-Indol-2-one,1,3-dihydro-4-hydroxy- is 13402-55-6. It also can be called as 4-Hydroxyoxindole and the systematic name about this chemical is 4-hydroxy-1,3-dihydro-2H-indol-2-one. The molecular formula about this chemical is C₈H₇NO₂ and the molecular weight is 149.15. It belongs to the following product category which includes pharmacetical.

Physical properties about 2H-Indol-2-one,1,3-dihydro-4-hydroxy- are: (1)(1)ACD/LogP: 0.80; (2)ACD/LogD (pH 5.5): 0.8; (3)ACD/LogD (pH 7.4): 0.79; (4)ACD/BCF (pH 5.5): 2.38; (5)ACD/BCF (pH 7.4): 2.36; (6)ACD/KOC (pH 5.5): 64.68; (7)ACD/KOC (pH 7.4): 64.11; (8)#H bond acceptors: 3; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 29.54 Å²; (12)Index of Refraction: 1.634; (13)Molar Refractivity: 39.17 cm³; (14)Molar Volume: 109.4 cm³; (15)Polarizability: 15.53x10^-24cm³; (16)Surface Tension: 57.1 dyne/cm; (17)Density: 1.362 g/cm³; (18)Flash Point: 178.1 °C; (19)Enthalpy of Vaporization: 64.2 kJ/mol; (20)Boiling Point: 370.8 °C at 760 mmHg; (21)Vapour Pressure: 5.05E-06 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C2Nc1cccc(O)c1C2
(2)InChI: InChI=1/C8H7NO2/c10-7-3-1-2-6-5(7)4-8(11)9-6/h1-3,10H,4H2,(H,9,11)
(3)InChIKey: FTJQLPXJRKHATE-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C8H7NO2/c10-7-3-1-2-6-5(7)4-8(11)9-6/h1-3,10H,4H2,(H,9,11)
(5)Std. InChIKey: FTJQLPXJRKHATE-UHFFFAOYSA-N