The Thieno[2,3-d]pyrimidine,4-chloro-5-(2-thienyl)-, with the CAS registry number 189681-04-7, is also known as 4-Chloro-5-(2-thienyl)thieno[2,3-d]pyrimidine. This chemical's molecular formula is C₁₀H₅ClN₂S₂ and molecular weight is 252.74. What's more, its systematic name is called 4-Chloro-5-(thiophen-2-yl)thieno[2,3-d]pyrimidine.

Physical properties about Thieno[2,3-d]pyrimidine,4-chloro-5-(2-thienyl)- are: (1) ACD/LogP: 3.36; (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: 82.26 Å²; (7) Index of Refraction: 1.732; (8) Molar Refractivity: 66.53 cm³; (9) Molar Volume: 166.1 cm³; (10) Surface Tension: 66.7 dyne/cm; (11) Density: 1.52 g/cm³; (12) Flash Point: 208 °C; (13) Enthalpy of Vaporization: 64.8 kJ/mol; (14) Boiling Point: 420.3 °C at 760 mmHg; (15) Vapour Pressure: 6.95E-07 mmHg at 25 °C; (16) Melting Point: 110 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Clc2ncnc1scc(c12)c3sccc3
(2) InChI: InChI=1/C10H5ClN2S2/c11-9-8-6(7-2-1-3-14-7)4-15-10(8)13-5-12-9/h1-5H
(3) InChIKey: VNWBUFWVNCUUKY-UHFFFAOYAB