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    Natural Products
    Vaccarin E
    Vaccarin E
    Information
    CAS No. 2252345-81-4 Price $318 / 10mg
    Catalog No.CFN95252Purity>=98%
    Molecular Weight904.8Type of CompoundFlavonoids
    FormulaC42H48O22Physical 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 / $318 / In-stock
    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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    Vaccarin E

    Vaccarin E
    Product Name Vaccarin E
    CAS No.: 2252345-81-4
    Catalog No.: CFN95252
    Molecular Formula: C42H48O22
    Molecular Weight: 904.8 g/mol
    Purity: >=98%
    Type of Compound: Flavonoids
    Physical Desc.: Powder
    Source: The seeds of Vaccaria segetalis
    Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
    Price: $318 / 10mg
    Inquire / Order: manager@chemfaces.com
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    Vaccarin E Description
    Source: The seeds of Vaccaria segetalis
    Solvent: DMSO, Pyridine, Methanol, Ethanol, 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 1.1052 mL 5.5261 mL 11.0522 mL 22.1043 mL 27.6304 mL
    5 mM 0.221 mL 1.1052 mL 2.2104 mL 4.4209 mL 5.5261 mL
    10 mM 0.1105 mL 0.5526 mL 1.1052 mL 2.2104 mL 2.763 mL
    50 mM 0.0221 mL 0.1105 mL 0.221 mL 0.4421 mL 0.5526 mL
    100 mM 0.0111 mL 0.0553 mL 0.1105 mL 0.221 mL 0.2763 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:
    Phytochemistry Letters, 2017, 19:241-247.
    C-glycosylflavone with rotational isomers from Vaccaria hispanica (Miller) Rauschert seeds.[Reference: WebLink]

    METHODS AND RESULTS:
    Five C-glycosylflavone were isolated from Vaccaria hispanica (Miller) Rauschert seeds. Their NMR spectra showed separate signals because of the existence of rotational isomers, which is an unusual phenomenon.
    CONCLUSIONS:
    The spectroscopic data revealed that compounds 1–5 were identified as apigenin 6-C-[α-l-arabinopyranosyl-(1′′′→2′′)-β-d-glucopyranosyl]-7-O-β-d-glucopyranoside (1), apigenin 6-C-[α-l-arabinopyranosyl-(1′′′→2′′)-β-d-glucopyranosyl]-7-O-(6′′′′-O-dihydroferuloyl)-β-d-glucopyranoside (2), apigenin 6-C-β-d-glucopyranosyl-7-O-(6′′′-O-dihydroferuloyl)-β-d-glucopyranoside (3) and isovitexin-2′′-O-arabinoside (4) and saponarin (5), respectively. The structure of ‘vaccarin’ was revised to apigenin 6-C-[α-l-arabinopyranosyl-(1′′′→2′′)-β-d-glucopyranosyl]-7-O-β-d-glucopyranoside and consequently 1 should be named ‘vaccarin’. Among the isolated compounds, 2 and 3 are new and named Vaccarin E and vaccarin F, respectively.
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