The CAS registry number of Thieno[2,3-b]pyridine-2-carboxaldehyde is 53174-98-4. This chemical's molecular formula is C₈H₅NOS and molecular weight is 163.1964. When you are dealing with this chemical, you should be very careful. This chemical is irritating to the skin or other mucous membranes.

Physical properties about Thieno[2,3-b]pyridine-2-carboxaldehyde are: (1)ACD/LogP: 2.44; (2)#of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 1; (6)Polar Surface Area: 58.2 Å²; (7)Index of Refraction: 1.735; (8)Molar Refractivity: 47.32 cm³; (9)Molar Volume: 117.9 cm³; (10)Surface Tension: 63.9 dyne/cm; (11)Density: 1.384 g/cm³; (12)Flash Point: 147.5 °C; (13)Enthalpy of Vaporization: 56.18 kJ/mol; (14)Boiling Point: 320.2 °C at 760 mmHg; (15)Vapour Pressure: 0.000323 mmHg at 25 °C; (16)Melting Point: 142 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=Cc2sc1ncccc1c2
(2) InChI: InChI=1/C8H5NOS/c10-5-7-4-6-2-1-3-9-8(6)11-7/h1-5H
(3) InChIKey: HGZQKYOLRLVMHZ-UHFFFAOYAD