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    Natural Products
    Neoarctin B
    Neoarctin B
    Information
    CAS No. 155969-67-8 Price $318 / 10mg
    Catalog No.CFN95243Purity>95%
    Molecular Weight742.8Type of CompoundLignans
    FormulaC42H46O12Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
    Citing Use of our Products
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    According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
    Size /Price /Stock 10 mM * 1 mL in DMSO / $273.5 / In-stock
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
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    Description: Reference standards.
    Neoarctin B Description
    Source: The herbs of Arctium lappa L.
    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 1.3463 mL 6.7313 mL 13.4626 mL 26.9251 mL 33.6564 mL
    5 mM 0.2693 mL 1.3463 mL 2.6925 mL 5.385 mL 6.7313 mL
    10 mM 0.1346 mL 0.6731 mL 1.3463 mL 2.6925 mL 3.3656 mL
    50 mM 0.0269 mL 0.1346 mL 0.2693 mL 0.5385 mL 0.6731 mL
    100 mM 0.0135 mL 0.0673 mL 0.1346 mL 0.2693 mL 0.3366 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:
    Acta Pharmaceutica Sinica, 1993, 28(12):911-917.
    Studies on the chemical constituents of Arctium lappa L.[Reference: WebLink]

    METHODS AND RESULTS:
    Six compounds were isolated from the seeds of Arctium lappa L. One of them is a new lignan named Neoarctin B(VI). The structure has been elucidated on the basis of spectral (UV, IR, 1H-NMR, 13C-NMR, DEPT, 2D-NMR and MS) analysis. The other five compounds were identified as daucosterol (I), arctigenin (II), arctiin (III), matairesinol (IV) and lappaol F (V).