The 4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-, with the CAS registry number 118525-40-9, is also known as 3,5,7-Trihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-4H-chromen-4-one. It belongs to the product categories of Aromatics; Heterocycles; Intermediates & Fine Chemicals; Metabolites & Impurities; Pharmaceuticals. This chemical's molecular formula is C₂₁H₂₀O₆ and molecular weight is 368.38. What's more, both its IUPAC name and systematic name are the same which is called 3,5,7-Trihydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-enyl)chromen-4-one. It is a metabolite of Icariin. Icaritin and Desmethylicaritin, two metabolites of Icariin, dramatically inhibit the growth of most malignant cells. They also have significant antiangiogenesis properties, inhibiting or eliminating entirely the development of new malignant cells.

Physical properties about 4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)- are: (1)ACD/LogP: 5.244; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.20; (4)ACD/LogD (pH 7.4): 4.19; (5)ACD/BCF (pH 5.5): 5129.69; (6)ACD/BCF (pH 7.4): 500.96; (7)ACD/KOC (pH 5.5): 15286.30; (8)ACD/KOC (pH 7.4): 1492.84; (9)#H bond acceptors: 6; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 96.22 Å²; (13)Index of Refraction: 1.656; (14)Molar Refractivity: 99.583 cm³; (15)Molar Volume: 270.868 cm³; (16)Polarizability: 39.478×10^-24cm³; (17)Surface Tension: 62.147 dyne/cm; (18)Density: 1.36 g/cm³; (19)Flash Point: 206.679 °C; (20)Enthalpy of Vaporization: 90.242 kJ/mol; (21)Boiling Point: 581.992 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1c3c(O/C(=C1/O)c2ccc(OC)cc2)c(c(O)cc3O)C\C=C(/C)C
(2) InChI: InChI=1S/C21H20O6/c1-11(2)4-9-14-15(22)10-16(23)17-18(24)19(25)20(27-21(14)17)12-5-7-13(26-3)8-6-12/h4-8,10,22-23,25H,9H2,1-3H3
(3) InChIKey: TUUXBSASAQJECY-UHFFFAOYSA-N