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    Terrestrosin K
    Terrestrosin K
    Information
    CAS No. 193605-07-1 Price $218 / 10mg
    Catalog No.CFN90822Purity>=98%
    Molecular Weight1079.2Type of CompoundSteroids
    FormulaC51H82O24Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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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 / $234.4 / In-stock
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    Description: Reference standards.
    Terrestrosin K Description
    Source: The herbs of Tribulus terrestris L.
    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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    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

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.
    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 0.9266 mL 4.6331 mL 9.2661 mL 18.5322 mL 23.1653 mL
    5 mM 0.1853 mL 0.9266 mL 1.8532 mL 3.7064 mL 4.6331 mL
    10 mM 0.0927 mL 0.4633 mL 0.9266 mL 1.8532 mL 2.3165 mL
    50 mM 0.0185 mL 0.0927 mL 0.1853 mL 0.3706 mL 0.4633 mL
    100 mM 0.0093 mL 0.0463 mL 0.0927 mL 0.1853 mL 0.2317 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 (1997) 45(4) 811-817.
    Steroidal saponins from fruits of Tribulus terrestris.[Reference: WebLink]

    METHODS AND RESULTS:
    Further studies on the constituents of the fruits of Tribulus terrestris led to the isolation of six new furostanol saponins, 26-O-β-D-glucopyranosyl (25R)-furostane-2α,3β,22α,26-tetrol-3-O-β-D-glucopyranosyl (1-4)-β-D- galactopyranoside, 26-O-β-D-glucopyranosyl (25R,S)-5α-furostane- 2α,3β,22α,26-tetrol-3-O-β-D-galactopyranosyl(1-2)-β-D-glucopyranosyl(1- 4)-β-D-galactopyranoside, 26-O-β-D-glucopyranosyl (25R,S)-5α-furostane- 3β,22α,26-triol-3-O-β-D-galactopyranosyl(1-2)-β-D-glucopyranosyl(1-4)- β-D-galactopyranoside, 26-O-β-D-glucopyranosyl (25R,S)-5α-furostan-12- one-3β,22α,26-triol-3-O-β-D-galactopyranosyl(1-2)-β-D-glucopyranosyl(1- 4)-β-D-galactopyranoside, 26-O-β-D-glucopyranosyl (25R,S)-furost-5-ene- 3β,22α,26-triol-3-O-β-D-galactopyranosyl(1-2)-β-D-glucopyranosyl(1-4)- β-D-galactopyranoside, 26-O-β-D-glucopyranosyl (25R)-5α-furost-20(22)-en- 12-one-3β,26-diol-3-O-β-D-galactopyranosyl(1-2)-β-D-glucopyranosyl(1-4)- β-D-galactopyranoside, named terrestrosin F, terrestrosin G, terrestrosin H, terrestrosin I, terrestrosin J, Terrestrosin K, respectively.
    CONCLUSIONS:
    The structures were elucidated on the basis of spectroscopic studies of the isolated compounds and their hydrolysed products.