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    Hopeyhopin
    Hopeyhopin
    Information
    CAS No. 63975-56-4 Price
    Catalog No.CFN89250Purity>=98%
    Molecular Weight274.27Type of CompoundCoumarins
    FormulaC15H14O5Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: Hopeyhopin is a natural product from Micromelum falcatum.
    In vitro:
    Phytochemistry. 2013 Apr;88:79-84.
    Benzene, coumarin and quinolinone derivatives from roots of Citrus hystrix.[Pubmed: 23352239 ]

    METHODS AND RESULTS:
    Two coumarins, hystrixarin (1) and (+)-Hopeyhopin (2); a benzenoid derivative, hystroxene-I (3) and a quinolinone alkaloid, hystrolinone (4), along with 33 known compounds were isolated from the crude acetone extract of the roots of Citrus hystrix.
    CONCLUSIONS:
    Their structures were determined by analysis of 1D and 2D NMR spectroscopic data. The antioxidant, anti-HIV and antibacterial activities of the isolated compounds were also evaluated.
    Hopeyhopin Description
    Source: The herbs of Micromelum falcatum.
    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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    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.
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    doi: 10.3390/molecules22111829.

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    J Cell Biochem. 2018 Feb;119(2):2231-2239.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 3.646 mL 18.2302 mL 36.4604 mL 72.9208 mL 91.1511 mL
    5 mM 0.7292 mL 3.646 mL 7.2921 mL 14.5842 mL 18.2302 mL
    10 mM 0.3646 mL 1.823 mL 3.646 mL 7.2921 mL 9.1151 mL
    50 mM 0.0729 mL 0.3646 mL 0.7292 mL 1.4584 mL 1.823 mL
    100 mM 0.0365 mL 0.1823 mL 0.3646 mL 0.7292 mL 0.9115 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:
    Zhong Yao Cai. 2013 May;36(5):744-6.
    Study on the chemical constituents from ethyl acetate extract of Micromelum falcatum.[Pubmed: 24218965]
    To study the chemical constituents from ethyl acetate extract of Micromelum falcatum.
    METHODS AND RESULTS:
    The constituents were separated and purified by silica gel, Sephadex LH-20 and HPLC. Their structures were elucidated by spectral analysis (NMR, MS). Ten compounds were isolated and identified as micropubescin (1), phebalosin (2), scopoletin (3), citrubuntin (4), thamnosmonin (5), Hopeyhopin (6), arnottinin (7), casegravol (8), 2-methoxy-5-hydroxy cinnamate (9), threo-syringoylglycerol (10).
    CONCLUSIONS:
    Compounds 1 - 10 are obtained from this plant for the first time.