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    8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin
    8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin
    Information
    CAS No. 93078-83-2 Price
    Catalog No.CFN97500Purity>=98%
    Molecular Weight316.3 Type of CompoundFlavonoids
    FormulaC17H16O6Physical DescriptionYellow powder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Description: Reference standards.
    8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin Description
    Source: The herbs of Scilla scilloides
    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

    Cell Metab. 2020 Mar 3;31(3):534-548.e5.
    doi: 10.1016/j.cmet.2020.01.002.
    IF=22.415(2019)

    PMID: 32004475

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    IF=14.548(2019)

    PMID: 29149595

    ACS Nano. 2018 Apr 24;12(4): 3385-3396.
    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.
    doi: 10.1126/sciadv.aat6994.
    IF=12.804(2019)

    PMID: 30417089
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 3.1616 mL 15.8078 mL 31.6156 mL 63.2311 mL 79.0389 mL
    5 mM 0.6323 mL 3.1616 mL 6.3231 mL 12.6462 mL 15.8078 mL
    10 mM 0.3162 mL 1.5808 mL 3.1616 mL 6.3231 mL 7.9039 mL
    50 mM 0.0632 mL 0.3162 mL 0.6323 mL 1.2646 mL 1.5808 mL
    100 mM 0.0316 mL 0.1581 mL 0.3162 mL 0.6323 mL 0.7904 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:
    Chinese Traditional and Herbal Drugs, 2014, 45(14):1984-1988.
    Chemical constituents from Scilla scilloides.[Reference: WebLink]
    To study the chemical constituents from Scilla scilloides.
    METHODS AND RESULTS:
    The chemical constituents were isolated and purified by column chromatography and their structures were identified by spectral data. Eighteen compounds were isolated from S. scilloides. Their structures were identified as scillascillin(1), 2-hydroxy-7-O-methylscillascillin(2), 4′-demethyleucomin(3), 5-hydroxy-7-methoxy-3-(4-hydroxybenzylidene) chroman-4-one(4), 4′-demethyl-3, 9-dihydroeucomin(5), 3′-hydroxy-3, 9-dihydroeucomin(6), 8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin(7), apigenin(8), luteolin(9), chrysoeriol(10), 3-dehydro-15-deoxoeucosterol(11), 15-deoxoeucosterol(12), 4-allylpyrocatechol(13), norlichexanthone(14), drimiopsin C(15), 6-feruloylcatalpol(16), catalposide(17), and specioside(18).
    CONCLUSIONS:
    Iridoids(16—18) are isolated from the genus Scilla L. for the first time. Compounds 4, 7—10, and 13—18 are isolated from the plants of this genus for the first time.