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    20,24-Dihydroxydammar-25-en-3-one
    Information
    CAS No. 75069-59-9 Price
    Catalog No.CFN97232Purity>=98%
    Molecular Weight458.7 Type of CompoundTriterpenoids
    FormulaC30H50O3Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Description: Reference standards.
    20,24-Dihydroxydammar-25-en-3-one Description
    Source: The barks of Ailanthus altissima
    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.
    IF=36.216(2019)

    PMID: 29328914

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    doi: 10.1016/j.cmet.2020.01.002.
    IF=22.415(2019)

    PMID: 32004475

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    IF=14.548(2019)

    PMID: 29149595

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    doi: 10.1021/acsnano.7b08969.
    IF=13.903(2019)

    PMID: 29553709

    Nature Plants. 2016 Dec 22;3: 16206.
    doi: 10.1038/nplants.2016.205.
    IF=13.297(2019)

    PMID: 28005066

    Sci Adv. 2018 Oct 24;4(10): eaat6994.
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    IF=12.804(2019)

    PMID: 30417089
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.1801 mL 10.9004 mL 21.8007 mL 43.6015 mL 54.5019 mL
    5 mM 0.436 mL 2.1801 mL 4.3601 mL 8.7203 mL 10.9004 mL
    10 mM 0.218 mL 1.09 mL 2.1801 mL 4.3601 mL 5.4502 mL
    50 mM 0.0436 mL 0.218 mL 0.436 mL 0.872 mL 1.09 mL
    100 mM 0.0218 mL 0.109 mL 0.218 mL 0.436 mL 0.545 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:
    Chemistry of Natural Compounds, 1991, 27(5):588-592.
    Crystal and molecular structure of 20S,24S-dihydroxydammar-25-en-3-one.[Reference: WebLink]

    METHODS AND RESULTS:
    The complete spatial structure of 20S,24S-dihydroxydammar-25-en-3-one(20,24-Dihydroxydammar-25-en-3-one) — a triterpenoid isolated from the leaves of a Far-Eastern species of birch,Betula mandschurica — has been established.
    CONCLUSIONS:
    Intermolecular cooperative hydrogen bonds that are unusual for a triterpenoid system have been detected in crystals of 20S,24S-dihydroxydammar-25-en-3-one(20,24-Dihydroxydammar-25-en-3-one), with the participation of both hydroxy groups in one chain of bonds and an orientation of the associated molecules that is characteristic for a bimolecular layer.