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    Natural Products
    Gomisin E
    Gomisin E
    Information
    CAS No. 72960-21-5 Price
    Catalog No.CFN96725Purity>=98%
    Molecular Weight514.57Type of CompoundLignans
    FormulaC28H34O9Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)  (SDF)
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    * Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
    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 / Inquiry
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
    Our products had been exported to the following research institutions and universities, And still growing.
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    Gomisin E

    Gomisin E
    Product Name Gomisin E
    CAS No.: 72960-21-5
    Catalog No.: CFN96725
    Molecular Formula: C28H34O9
    Molecular Weight: 514.57 g/mol
    Purity: >=98%
    Type of Compound: Lignans
    Physical Desc.: Powder
    Source: The fruits of Schizandra chinensis
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Price:
    Inquire / Order: manager@chemfaces.com
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    Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
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    Description: Gomisin E is a natural product from Schizandra chinensis.
    Gomisin E Description
    Source: The fruits of Schizandra chinensis
    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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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 1.9434 mL 9.7169 mL 19.4337 mL 38.8674 mL 48.5843 mL
    5 mM 0.3887 mL 1.9434 mL 3.8867 mL 7.7735 mL 9.7169 mL
    10 mM 0.1943 mL 0.9717 mL 1.9434 mL 3.8867 mL 4.8584 mL
    50 mM 0.0389 mL 0.1943 mL 0.3887 mL 0.7773 mL 0.9717 mL
    100 mM 0.0194 mL 0.0972 mL 0.1943 mL 0.3887 mL 0.4858 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:
    J Sep Sci. 2012 Sep;35(17):2203-9.
    Application of ultrahigh-performance liquid chromatography coupled with mass spectrometry for analysis of lignans and quality control of Fructus Schisandrae chinensis.[Pubmed: 22814992 ]
    Lignans in the drug Fructus Schisandrae chinensis (FSC) exhibit potent biological activities such as antihepatotoxic, antiasthmatic, and antigastric ulcer.
    METHODS AND RESULTS:
    An ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry method has been developed to evaluate the quality of FSC through simultaneous qualitative and quantitative analysis of 15 lignans, including schizandrin A, B, and C; schizandrol A and B; gomisin B, gomisin C, gomisin D, Gomisin E, gomisin G, gomisin H, gomisin J, and gomisin N; tigloylgomisin H; and angeloylgomisin H. The compounds were separated on a Zorbax Eclipse Plus C(18) (2.1 × 100 mm, 1.8 μm) column with a gradient elution of acetonitrile and 0.1% formic acid. Lignans were identified through their retention times, accurate mass data, and characteristic ions by comparison with a reference substance. All calibration curves showed perfect linear regression (r(2) > 0.99) within the test range. The limits of detection and quantitation fell in the ranges of 0.1-4 ng/mL for all the analytes with an injection of 10 μL.
    CONCLUSIONS:
    Good results were obtained with respect to repeatability (relative standard deviation <4.6%) and recovery (85.58-105.82%). Meanwhile, the entire sample analysis time was less than 10 min. This developed method provided a new basis for the overall assessment of the quality of FSC.
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