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Viscidulin II
Viscidulin II
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Viscidulin II
Price:
CAS No.: 92519-93-2
Catalog No.: CFN92214
Molecular Formula: C17H14O7
Molecular Weight: 330.3 g/mol
Purity: >=98%
Type of Compound: Flavonoids
Physical Desc.: Yellow powder
Source: The roots of Scutellaria viscidula Bge.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
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Similar structural: Comparison (Web)  (SDF)
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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 / Inquiry
Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Viscidulin II can be potential therapeutic agents against P. acnes-induced skin inflammation, it can significantly suppress P. acnes-induced IL-8 and IL-1β production in THP-1 cells, concomitant intradermal injection of viscidulin II with P. acnes can effectively attenuate P. acnes-induced ear swelling, and decrease the production of IL-6 and tumor necrosis factor-α in ear homogenates.
Targets: IL Receptor | TNF-α
In vitro:
Molecules, 2015, 21(1):E15.
Flavones Isolated from Scutellariae radix Suppress Propionibacterium Acnes-Induced Cytokine Production In Vitro and In Vivo.[Pubmed: 26712724 ]
Scutellariae radix, the root of Scutellaria baicalensis, has long been applied in traditional formulations and modern herbal medications. Propionibacterium acnes (P. acnes) in follicles can trigger inflammation and lead to the symptom of inflammatory acnes vulgaris.
METHODS AND RESULTS:
This study was aimed at evaluating the effect of Scutellariae radix extract and purified components isolated from it on inflammation induced by P. acnes in vitro and in vivo. The results showed the ethyl acetate (EA) soluble fraction from the partition of crude ethanolic extract from Scutellariae radix inhibited P. acnes-induced interleukin IL-8 and IL-1β production in human monocytic THP-1 cells. Seven flavones were isolated from the EA fraction by repeated chromatographies, and identified as 5,7-dihydroxy-6-methoxyflavone (FL1, oroxylin), 5,7-dihydroxy-8-methoxyflavone (FL2, wogonin), 5-hydroxy-7,8-dimethoxyflavone (FL3, 7-O-methylwogonin), 5,6'-dihydroxy-6,7,8,2'-tetramethoxy flavone (FL4, skullcapflavone II), 5,7,4'-trihydroxy-8-methoxyflavone (FL5), 5,2',6'-trihydroxy-7,8-dimethoxyflavone (FL6, Viscidulin II), and 5,7,2',5'-tetrahydroxy-8,6'-dimethoxyflavone (FL7, ganhuangenin). They all significantly suppressed P. acnes-induced IL-8 and IL-1β production in THP-1 cells, and FL2 exerted the strongest effect with half maximal inhibition (IC50) values of 8.7 and 4.9 μM, respectively. Concomitant intradermal injection of each of the seven flavones (20 μg) with P. acnes effectively attenuated P. acnes-induced ear swelling, and decreased the production of IL-6 and tumor necrosis factor-α in ear homogenates.
CONCLUSIONS:
Our results suggested that all the seven flavones can be potential therapeutic agents against P. acnes-induced skin inflammation.
Viscidulin II Description
Source: The roots of Scutellaria viscidula Bge.
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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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.
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IF=36.216(2019)

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Cell Metab. 2020 Mar 3;31(3):534-548.e5.
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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.0276 mL 15.1378 mL 30.2755 mL 60.551 mL 75.6888 mL
5 mM 0.6055 mL 3.0276 mL 6.0551 mL 12.1102 mL 15.1378 mL
10 mM 0.3028 mL 1.5138 mL 3.0276 mL 6.0551 mL 7.5689 mL
50 mM 0.0606 mL 0.3028 mL 0.6055 mL 1.211 mL 1.5138 mL
100 mM 0.0303 mL 0.1514 mL 0.3028 mL 0.6055 mL 0.7569 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.
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