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    2''-O-Galloylhyperin
    Information
    CAS No. 53209-27-1 Price $178 / 20mg
    Catalog No.CFN99728Purity>=98%
    Molecular Weight616.48Type of CompoundFlavonoids
    FormulaC28H24O16Physical DescriptionYellow powder
    Download Manual    COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: 2''-O-Galloylhyperin has effects on arrhythmias in an isolated tissue model of hypoxia and reperfusion.
    In vitro:
    Chin. Pharm. Bull., 2002, 18(3).
    Effects of 2''-O-Galloylhyperin on arrhythmias in an isolated tissue model of hypoxia and reperfusion[Reference: WebLink]
    Effects of 2''-O-Galloylhyperin on arrhythmias in an isolated tissue model of hypoxia and reperfusion
    2''-O-Galloylhyperin Description
    Source: The herbs of Hypericum perforatum L.
    Solvent: DMSO, Pyridine, Methanol, Ethanol, 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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    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.

    PMID: 29149595

    Scientific Reports 2017 Dec 11;7(1):17332.
    doi: 10.1038/s41598-017-17427-6.

    PMID: 29230013

    Molecules. 2017 Oct 27;22(11). pii: E1829.
    doi: 10.3390/molecules22111829.

    PMID: 29077044

    J Cell Biochem. 2018 Feb;119(2):2231-2239.
    doi: 10.1002/jcb.26385.

    PMID: 28857247

    Phytomedicine. 2018 Feb 1;40:37-47.
    doi:10.1016/j.phymed.2017.12.030

    PMID: 29496173
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 1.6221 mL 8.1106 mL 16.2211 mL 32.4423 mL 40.5528 mL
    5 mM 0.3244 mL 1.6221 mL 3.2442 mL 6.4885 mL 8.1106 mL
    10 mM 0.1622 mL 0.8111 mL 1.6221 mL 3.2442 mL 4.0553 mL
    50 mM 0.0324 mL 0.1622 mL 0.3244 mL 0.6488 mL 0.8111 mL
    100 mM 0.0162 mL 0.0811 mL 0.1622 mL 0.3244 mL 0.4055 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.
    Protocol
    Structure Identification:
    Chem Biodivers. 2007 Dec;4(12):2932-7.
    Tetralones and flavonoids from Pyrola calliantha.[Pubmed: 18081103]

    METHODS AND RESULTS:
    Two new tetralones, pyrolones A (1) and B (2), and a new flavonol glycoside, 2''-O-(4-hydroxybenzoyl)hyperin (3), were isolated from Pyrola calliantha (whole plant), together with six structurally related compounds, including 2''-O-Galloylhyperin (4), hyperin (5), formononetin (6), quercetin 3-O-alpha-L-arabinopyranoside (7), quercetin 3-O-alpha-L-arabinofuranoside (8), and kaempferol 3-O-beta-D-galactopyranoside (9).
    CONCLUSIONS:
    The structures and absolute configurations of the new compounds were elucidated on the basis of spectroscopic (UV, ORD, CD, NMR) and mass-spectrometric (HR-ESI-MS) analyses.