The CAS register number of (S)-3-Hydroxypyrrolidin-2-one is 34368-52-0. It also can be called as 2-Pyrrolidinone,3-hydroxy-, (3S)- and the systematic name about this chemical is (3S)-3-hydroxypyrrolidin-2-one. The molecular formula about this chemical is C₄H₇NO₂ and molecular weight is 101.10. 

Physical properties about (S)-3-Hydroxypyrrolidin-2-one are: (1)ACD/LogP: -1.08; (2)ACD/LogD (pH 5.5): -3; (3)ACD/LogD (pH 7.4): -3; (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: 3; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 49.33Ų; (12)Index of Refraction: 1.513; (13)Molar Refractivity: 23.516 cm³; (14)Molar Volume: 78.234 cm³; (15)Polarizability: 9.322x10^-24cm³; (16)Surface Tension: 50.88 dyne/cm; (17)Enthalpy of Vaporization: 70.57 kJ/mol; (18)Boiling Point: 363.637 °C at 760 mmHg.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1NCC[C@@H]1O
(2)InChI: InChI=1/C4H7NO2/c6-3-1-2-5-4(3)7/h3,6H,1-2H2,(H,5,7)/t3-/m0/s1
(3)InChIKey: FRKGSNOMLIYPSH-VKHMYHEABZ
(4)Std. InChI: InChI=1S/C4H7NO2/c6-3-1-2-5-4(3)7/h3,6H,1-2H2,(H,5,7)/t3-/m0/s1
(5)Std. InChIKey: FRKGSNOMLIYPSH-VKHMYHEASA-N