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    Bis-5,5-nortrachelogenin
    Bis-5,5-nortrachelogenin
    Information
    CAS No. 870480-56-1 Price
    Catalog No.CFN96251Purity>=98%
    Molecular Weight746.8Type of CompoundLignans
    FormulaC40H42O14Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: Bis-5,5-nortrachelogenin has anti-allergic activity, it inhibited NO production with IC50 value of 48.6 microM.
    Targets: NO
    In vitro:
    Chem Pharm Bull (Tokyo). 2005 Oct;53(10):1348-51.
    Lignans from the roots of Wikstroemia indica and their DPPH radical scavenging and nitric oxide inhibitory activities.[Pubmed: 16205001]

    METHODS AND RESULTS:
    In our investigation of in vitro anti-allergic screening of medicinal herbal extracts, the ethyl acetate extract of the root of Wikstroemia indica was observed to inhibit nitric oxide (NO) production in a lipopolysaccharide (LPS) and recombinant mouse interferon-gamma (IFN-gamma) activated murine macrophage-like cell line, RAW 264.7. Fractionation of the active extract led to the isolation of two new lignan dimer Bis-5,5-nortrachelogenin (1) and bis-5,5'-nortrachelogenin (2), and three known lignans.
    CONCLUSIONS:
    Compound 1 and lirioresinol B (5) inhibited NO production with IC50 values at 48.6 and 53.5 microM, respectively. Compound 5 also showed free radical scavenging effect on 1,1-diphenyl-2-picrylhydrazil (DPPH) at IC50 values at 19.5 microM.
    Bis-5,5-nortrachelogenin Description
    Source: The roots of Wikstroemia indica
    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 1.339 mL 6.6952 mL 13.3905 mL 26.7809 mL 33.4762 mL
    5 mM 0.2678 mL 1.339 mL 2.6781 mL 5.3562 mL 6.6952 mL
    10 mM 0.1339 mL 0.6695 mL 1.339 mL 2.6781 mL 3.3476 mL
    50 mM 0.0268 mL 0.1339 mL 0.2678 mL 0.5356 mL 0.6695 mL
    100 mM 0.0134 mL 0.067 mL 0.1339 mL 0.2678 mL 0.3348 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.