The (R)-(-)-Dihydro-5-(hydroxymethyl)-2(3H)-furanone, with the CAS registry number of 55094-96-7, is also known as (R)-(-)-Gamma-hydroxymethyl-gamma-butyrolactone. The molecular formula of this chemical is C₇H₁₀O₄ and its molecular weight is 158.1519. What's more, its systematic name is Ethyl (2R)-5-oxotetrahydrofuran-2-carboxylate. In addition, it must be stored at 2-8 °C. During using it, do not breathe gas/fumes/vapour/spray and avoid contact with skin and eyes.

Physical properties about (R)-(-)-Dihydro-5-(hydroxymethyl)-2(3H)-furanone are: (1)ACD/LogP: -0.70; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 4; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 3; (6)Polar Surface Area: 52.6 Å²; (7)Index of Refraction: 1.46; (8)Molar Refractivity: 35.76 cm³; (9)Molar Volume: 130.3 cm³; (10)Polarizability: 14.17×10^-24 cm³; (11)Surface Tension: 40.9 dyne/cm; (12)Density: 1.213 g/cm³; (13)Flash Point: 142.2 °C; (14)Enthalpy of Vaporization: 52.26 kJ/mol; (15)Boiling Point: 283.6 °C at 760 mmHg; (16)Vapour Pressure: 0.00312 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(OCC)[C@@H]1OC(=O)CC1
(2) InChI: InChI=1/C7H10O4/c1-2-10-7(9)5-3-4-6(8)11-5/h5H,2-4H2,1H3/t5-/m1/s1
(3) InChIKey: MJQGWRVDIFBMNW-RXMQYKEDBY