| Identification | |
| Name: | 4H-1-Benzopyran-4-one,5-hydroxy-7-methoxy-3-(4-methoxyphenyl)- |
| Synonyms: | Isoflavone,5-hydroxy-4',7-dimethoxy- (6CI,7CI,8CI);4',7-Di-O-methylgenistein;5-Hydroxy-4',7-dimethoxyisoflavone;7,4'-Dimethoxy-5-hydroxyisoflavone;7-O-Methylbiochanin A;Biochanin A 7-methyl ether;NSC 604926; |
| CAS: | 34086-51-6 |
| Molecular Formula: | C17H14O5 |
| Molecular Weight: | 298.29 |
| InChI: | InChI=1/C17H14O5/c1-20-11-5-3-10(4-6-11)13-9-22-15-8-12(21-2)7-14(18)16(15)17(13)19/h3-9,18H,1-2H3 |
| Molecular Structure: |  |
| Properties | |
| Density: | 1.321 g/cm3 |
| Refractive index: | 1.621 |
| Specification: |
The 4',7-Dimethoxy-5-hydroxyisoflavone is an organic compound with the formula C17H14O5. The IUPAC name of this chemical is 5-hydroxy-7-methoxy-3-(4-methoxyphenyl)chromen-4-one. With the CAS registry number 34086-51-6, it is also named as 4H-1-benzopyran-4-one, 5-hydroxy-7-methoxy-3-(4-methoxyphenyl)-. The product's category is Iso-Flavones. Physical properties about 4',7-Dimethoxy-5-hydroxyisoflavone are: (1)ACD/LogP: 3.72; (2)#H bond acceptors: 5; (3)#H bond donors: 1; (4)#Freely Rotating Bonds: 4; (5)Polar Surface Area: 53.99 Å2; (6)Index of Refraction: 1.621; (7)Molar Refractivity: 79.44 cm3; (8)Molar Volume: 225.7 cm3; (9) Polarizability: 31.49×10-24cm3; (10)Surface Tension: 52.7 dyne/cm; (11)Density: 1.321 g/cm3; (12)Flash Point: 193.3 °C; (13)Enthalpy of Vaporization: 81.67 kJ/mol; (14)Boiling Point: 515.2 °C at 760 mmHg; (15)Vapour Pressure: 3.09E-11 mmHg at 25°C. Preparation: this chemical can be prepared by Diazomethane and 5,7-Dihydroxy-3-(4-methoxy-phenyl)-chromen-4-one. This reaction will need solvent Diethyl ether. The reaction time is 30 hours at ambient temperature. The yield is about 84%. You can still convert the following datas into molecular structure: |
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