2,3-Thiophenedicarboxaldehyde

The 2,3-Thiophenedicarboxaldehyde, with the CAS registry number 932-41-2, has the IUPAC name of thiophene-2,3-dicarbaldehyde. Its product categories are including Heterocyclic Compounds; Functional Materials; Reagents for Conducting Polymer Research; Thiophene Derivatives (for Conduting Polymer Research); Building Blocks; Heterocyclic Building Blocks; Thiophenes.

The characteristics of this chemical are as follows: (1)ACD/LogP: -0.42; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.42; (4)ACD/LogD (pH 7.4): -0.42; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 14.14; (8)ACD/KOC (pH 7.4): 14.14; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 62.38; (13)Index of Refraction: 1.668; (14)Molar Refractivity: 38.14 cm³; (15)Molar Volume: 102.2 cm³; (16)Polarizability: 15.12 ×10^-24 cm³; (17)Surface Tension: 56.6 dyne/cm; (18)Density: 1.37 g/cm³; (19)Flash Point: 140.3 °C; (20)Enthalpy of Vaporization: 54.9 kJ/mol; (21)Boiling Point: 308.4 °C at 760 mmHg; (22)Vapour Pressure: 0.000684 mmHg at 25°C; (23)Exact Mass: 139.9932; (24)MonoIsotopic Mass: 139.9932; (25)Topological Polar Surface Area: 62.4; (26)Heavy Atom Count: 9; (27)Complexity: 124; (28)Covalently-Bonded Unit Count: 1.

Use of this chemical: 2,3-Thiophenedicarboxaldehyde could react with naphthalene-1,4-diol to produce anthra[2,3-b]thiophene-5,10-dione. This reaction could happen in the presence of the solvent of pyridine, and it needs the reaction time of 24 hour(s) in the condition of heating.  

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C1=CSC(=C1C=O)C=O
(2)InChI: InChI=1S/C6H4O2S/c7-3-5-1-2-9-6(5)4-8/h1-4H
(3)InChIKey: WSEJZRIZDQWMKQ-UHFFFAOYSA-N