The Thieno[3,4-b]-1,4-dioxin,2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- is an organic compound with the formula C₁₂H₁₇BO₄S. The systematic name of this chemical is 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine. With the CAS registry number 250726-93-3, it is also named as 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-boronic acid, pinacol ester.

Physical properties about Thieno[3,4-b]-1,4-dioxin,2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- are: (1)#H bond acceptors: 4; (2)#Freely Rotating Bonds: 1; (3)Polar Surface Area: 65.16 Å²; (4)Index of Refraction: 1.53; (5)Molar Refractivity: 68.28 cm³; (6)Molar Volume: 220.7 cm³; (7)Polarizability: 27.07×10^-24cm³; (8)Surface Tension: 39.8 dyne/cm; (9)Density: 1.21 g/cm³; (10)Flash Point: 179.3 °C; (11)Enthalpy of Vaporization: 59.58 kJ/mol; (12)Boiling Point: 372.9 °C at 760 mmHg; (13)Vapour Pressure: 2E-05 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: CC1(C)OB(OC1(C)C)c3scc2OCCOc23
(2)InChI: InChI=1/C12H17BO4S/c1-11(2)12(3,4)17-13(16-11)10-9-8(7-18-10)14-5-6-15-9/h7H,5-6H2,1-4H3
(3)InChIKey: HRLHWIMNIQOHRF-UHFFFAOYAJ
(4)Std. InChI: InChI=1S/C12H17BO4S/c1-11(2)12(3,4)17-13(16-11)10-9-8(7-18-10)14-5-6-15-9/h7H,5-6H2,1-4H3
(5)Std. InChIKey: HRLHWIMNIQOHRF-UHFFFAOYSA-N