Isogomisin O

Isogomisin O
Product Name Isogomisin O
CAS No.: 83916-76-1
Catalog No.: CFN97333
Molecular Formula: C23H28O7
Molecular Weight: 416.5 g/mol
Purity: >=98%
Type of Compound: Lignans
Physical Desc.: Powder
Source: The seeds of Schisandra chinensis (Turcz.) Baill.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Standard reference
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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:

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.
  • Acta Physiologiae Plantarum2015, 37:1736
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  • Separations2023, 10(7), 411.
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    Planta Med. 2007 Aug;73(10):1116-26.
    Composition and biological activity of different extracts from Schisandra sphenanthera and Schisandra chinensis.[Pubmed: 17611932]
    Plants of the Schisandraceae family contain a variety of pharmacologically active lignans like schizandrin, deoxyschizandrin, deangeloylgomisin B, gomisin A, gomisin O, gamma-schizandrin and Isogomisin O.
    Here we have compared the composition of different polar and non-polar extracts of Schisandra sphenanthera and Schisandra chinensis. We also have screened the extracts for antiproliferative and anti-inflammatory effects in different cell-based and cell-free assays. Extracts produced with the non-polar solvents CO(2), hexane and CO(2)/5% ethanol had a similar composition. In contrast, polar extraction with ethanol provided a considerably higher yield, but a lower content of volatiles and lignans in comparison to the non-polar extracts. The proliferation of the epidermal cell lines HaCaT and A431 was dose-dependently inhibited by both the Schisandra sphenanthera and Schisandra chinensis extracts, the non-polar extracts being superior to the polar ones. The non-polar Schisandra sphenanthera extract was the most active with a half-maximal inhibitory concentration of 20 microg/mL. In a cell-free enzyme inhibition assay with recombinant cyclooxygenase-2 (COX-2) the non-polar Schisandra sphenanthera extract dose-dependently inhibited COX-2 catalysed prostaglandin (PG) production (IC(50) = 0.2 microg/mL). It also reduced the ultraviolet-B (UVB)-induced PGE (2) production (IC(50) = 4 microg/mL) and COX-2 expression in HaCaT keratinocytes.
    We conclude that non-polar SChisandra extracts obtained by CO(2) extraction might be useful in the prevention and treatment of hyperproliferative and inflammatory skin diseases.
    Chem Pharm Bull (Tokyo). 2007 Aug;55(8):1281-3.
    Lignans from Schisandra propinqua var. propinqua.[Pubmed: 17666862]

    Two new dibenzocyclooctadiene lignans angeloyl-(+)-gomisin K(3) (1) and methylIsogomisin O (2), together with six known ones, Isogomisin O, angeloylIsogomisin O, gomisin O, angeloygomisin O, benzoylgomisin O, epigomisin O, and four 1,4-bis(phenyl)-2,3-dimethylbutane type lignans, pregomisin, meso-dihydroguaiaretic acid, isoanwulignan, and sphenanlignan were isolated from the aerial parts of Schisandra propinqua var. propinqua.
    The structures of 1 and 2 were elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques.

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