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    5,7,2',4'-Tetrahydroxy-3-geranylflavone
    Information
    CAS No. 376361-87-4 Price
    Catalog No.CFN92322Purity>=98%
    Molecular Weight422.5Type of CompoundFlavonoids
    FormulaC25H26O6Physical DescriptionYellow powder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: 5,7,2',4'-Tetrahydroxy-3-geranylflavone is a natural product from Broussonetia papyrifera.
    In vitro:
    J Nat Prod. 2001 Oct;64(10):1286-93.
    Aromatase inhibitors from Broussonetia papyrifera.[Pubmed: 11678652]

    METHODS AND RESULTS:
    Bioassay-guided fractionation of an ethyl acetate-soluble extract from the whole plants of Broussonetia papyrifera, using an in vitro aromatase inhibition assay, led to the isolation of five new active compounds, 5,7,2',4'-Tetrahydroxy-3-geranylflavone (1), isogemichalcone C (8), 3'-[gamma-hydroxymethyl-(E)-gamma-methylallyl]-2,4,2',4'-tetrahydroxychalcone 11'-O-coumarate (9), demethylmoracin I (10), and (2S)-2',4'-dihydroxy-2' '-(1-hydroxy-1-methylethyl)dihydrofuro[2,3-h]flavanone (11), and 10 known (12-21) compounds which were also found to be active. Of these compounds, the most potent were 9 (IC(50) 0.5 microM), 11 (IC(50) 0.1 microM), isolicoflavonol (12, IC(50) 0.1 microM), and (2S)-abyssinone II (13, IC(50) 0.4 microM). Additionally, six new compounds, 5,7,3',4'-tetrahydroxy-6-geranylflavonol (2), 5,7,3',4'-tetrahydroxy-3-methoxy-6-geranylflavone (3), (2S)-7,4'-dihydroxy-3'-prenylflavan (4), 1-(2,4-dihydroxyphenyl)-3-(4-hydroxyphenyl)propane (5), 1-(2,4-dihydroxy-3-prenylphenyl)-3-(4-hydroxyphenyl)propane (6), and 1-(4-hydroxy-2-methoxyphenyl)-3-(4-hydroxy-3-prenylphenyl)propane (7), were isolated and characterized, but proved to be inactive as aromatase inhibitors, as were an additional 21 known compounds.
    CONCLUSIONS:
    The structures of the new compounds (1-11) were elucidated by spectroscopic methods. Structure-activity relationships in the aromatase assay were determined for the benzofurans, biphenylpropanoids, coumarins, and various types of flavonoids (chalcones, flavans, flavanones, and flavones) obtained among a total of 42 constituents of B. papyrifera.
    5,7,2',4'-Tetrahydroxy-3-geranylflavone Description
    Source: The root bark of Broussonetia papyrifera
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.3669 mL 11.8343 mL 23.6686 mL 47.3373 mL 59.1716 mL
    5 mM 0.4734 mL 2.3669 mL 4.7337 mL 9.4675 mL 11.8343 mL
    10 mM 0.2367 mL 1.1834 mL 2.3669 mL 4.7337 mL 5.9172 mL
    50 mM 0.0473 mL 0.2367 mL 0.4734 mL 0.9467 mL 1.1834 mL
    100 mM 0.0237 mL 0.1183 mL 0.2367 mL 0.4734 mL 0.5917 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.