The CAS register number of Benzothioxanthene dicarboxylic anhydride is 14121-49-4. It also can be called as 1H,3H-Thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione and the systematic name about this chemical is 1H,3H-benzo[3,4]isothiochromeno[7,8,1-def]isochromene-1,3-dione. The molecular formula about this chemical is C₁₈H₉O₃S and molecular weight is 305.33. Classification code about this chemical is TSCA Flag P [A commenced PMN (Premanufacture Notice) substance].

Physical properties about Benzothioxanthene dicarboxylic anhydride are: (1)ACD/LogP: 3.87; (2)ACD/LogD (pH 5.5): 3.87; (3)ACD/LogD (pH 7.4): 3.87; (4)ACD/BCF (pH 5.5): 510.83; (5)ACD/BCF (pH 7.4): 510.83; (6)ACD/KOC (pH 5.5): 3021.27; (7)ACD/KOC (pH 7.4): 3021.27; (8)#H bond acceptors: 3; (9)Polar Surface Area: 68.67Ų; (10)Index of Refraction: 1.816; (11)Molar Refractivity: 84.61 cm³; (12)Molar Volume: 195 cm³; (13)Polarizability: 33.54x10^-24cm³; (14)Surface Tension: 77.8 dyne/cm; (15)Enthalpy of Vaporization: 89.58 kJ/mol; (16)Boiling Point: 602.1 °C at 760 mmHg; (17)Vapour Pressure: 1.89E-14 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C4OC(=O)c2ccc1c5ccccc5Sc3c1c2c4cc3
(2)InChI: InChI=1/C18H8O3S/c19-17-11-6-5-10-9-3-1-2-4-13(9)22-14-8-7-12(18(20)21-17)15(11)16(10)14/h1-8H
(3)InChIKey: YCJAUMBAFBAMFV-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C18H8O3S/c19-17-11-6-5-10-9-3-1-2-4-13(9)22-14-8-7-12(18(20)21-17)15(11)16(10)14/h1-8H
(5)Std. InChIKey: YCJAUMBAFBAMFV-UHFFFAOYSA-N