This chemical is called 1-(5-Chloro-2-hydroxy-phenyl)-3-thiophen-2-yl-propane-1,3-dione, and its CAS registry number is 7209-69-0. With the molecular formula of C₁₃H₉ClO₃S, its molecular weight is 280.73.

Other characteristics of the 1-(5-Chloro-2-hydroxy-phenyl)-3-thiophen-2-yl-propane-1,3-dione can be summarised as followings: (1)ACD/LogP: 4.12; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 3; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 5; (6)Polar Surface Area: 71.61 Å²; (7)Index of Refraction: 1.641; (8)Molar Refractivity: 71.04 cm³; (9)Molar Volume: 196.7 cm³; (10)Polarizability: 28.16×10^-24cm³; (11)Surface Tension: 59.7 dyne/cm; (12)Density: 1.426 g/cm³; (13)Flash Point: 251 °C; (14)Enthalpy of Vaporization: 78.69 kJ/mol; (15)Boiling Point: 491.4 °C at 760 mmHg; (16)Vapour Pressure: 2.79E-10 mmHg at 25°C.

Production method of this chemical: The 1-(5-Chloro-2-hydroxy-phenyl)-3-thiophen-2-yl-propane-1,3-dione could be obtained by the reactant of Thiophen-2-carbonsaeure-(2-acetyl-5-chlor-phenylester). This reaction needs the reagents of KOH, pyridine. The yield is 60 %.

Uses of this chemical: The 1-(5-Chloro-2-hydroxy-phenyl)-3-thiophen-2-yl-propane-1,3-dione could react with 2-amino-5-bromo-benzenethiol to obtain the [7-bromo-3-(5-chloro-2-hydroxy-phenyl)-4H-benzo[1,4]thiazin-2-yl]-thiophen-2-yl-methanone. This reaction needs the reagent of piperidine, and the solvent of tetrahydrofuran. The yield is 63 %.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(c1sccc1)CC(=O)c2cc(Cl)ccc2O
2.InChI: InChI=1/C13H9ClO3S/c14-8-3-4-10(15)9(6-8)11(16)7-12(17)13-2-1-5-18-13/h1-6,15H,7H2
3.InChIKey: SYVLYRMKVUIFRV-UHFFFAOYAM