The CAS registry number of [5,5'-Bithieno[3,4-b]-1,4-dioxin]-7,7'-dicarboxaldehyde,2,2',3,3'-tetrahydro- is 528870-51-1. The IUPAC name is 5-(7-formyl-2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carbaldehyde. In addition, the molecular formula is C₁₄H₁₀O₆S₂ and the molecular weight is 338.36. It should be stored in a cool and dry place.

Physical properties about [5,5'-Bithieno[3,4-b]-1,4-dioxin]-7,7'-dicarboxaldehyde,2,2',3,3'-tetrahydro- are: (1)# of Rule of 5 Violations: 0; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 14.874; (5)ACD/KOC (pH 7.4): 14.874; (6)#H bond acceptors: 6; (7)#H bond donors: 0; (8)#Freely Rotating Bonds: 3; (9)Polar Surface Area: 127.54 Å²; (10)Index of Refraction: 1.696; (11)Molar Refractivity: 82.665 cm³; (12)Molar Volume: 214.841 cm³; (13)Polarizability: 32.771 ×10^-24cm³; (14)Surface Tension: 72.946 dyne/cm; (15)Density: 1.575 g/cm³; (16)Flash Point: 312.785 °C; (17)Enthalpy of Vaporization: 88.495 kJ/mol; (18)Boiling Point: 593.578 °C at 760 mmHg.

You can still convert the following datas into molecular structure:
(1)SMILES: C1COc2c(c(sc2c3c4c(c(s3)C=O)OCCO4)C=O)O1
(2)InChI: InChI=1/C14H10O6S2/c15-5-7-9-11(19-3-1-17-9)13(21-7)14-12-10(8(6-16)22-14)18-2-4-20-12/h5-6H,1-4H2
(3)InChIKey: URGHWHMUSCLDJO-UHFFFAOYAH