The 1,2-Benzenediol, 3-methoxy-6-[(Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]-, with the CAS registry number 109971-63-3, is also known as Combretastatin A-1. It belongs to the product category of Combretastatin. This chemical's molecular formula is C₁₈H₂₀O₆ and molecular weight is 332.35. What's more, its systematic name is 3-methoxy-6-[(Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]benzene-1,2-diol.

Physical properties of 1,2-Benzenediol, 3-methoxy-6-[(Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]- are: (1)ACD/LogP: 3.84; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 6; (4)#H bond donors: 2; (5)#Freely Rotating Bonds: 8; (6)Polar Surface Area: 55.38 Å²; (7)Index of Refraction: 1.627; (8)Molar Refractivity: 94.12 cm³; (9)Molar Volume: 265.5 cm³; (10)Surface Tension: 47.9 dyne/cm; (11)Density: 1.251 g/cm³; (12)Flash Point: 273.3 °C; (13)Enthalpy of Vaporization: 83.34 kJ/mol; (14)Boiling Point: 528.4 °C at 760 mmHg; (15)Vapour Pressure: 8.82E-12 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O(c1cc(cc(OC)c1OC)/C=C\c2ccc(OC)c(O)c2O)C
(2)InChI: InChI=1S/C18H20O6/c1-21-13-8-7-12(16(19)17(13)20)6-5-11-9-14(22-2)18(24-4)15(10-11)23-3/h5-10,19-20H,1-4H3/b6-5-
(3)InChIKey: YUSYSJSHVJULID-WAYWQWQTSA-N