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5,7-Dihydroxy-3',4',5'-trimethoxyflavone
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name 5,7-Dihydroxy-3',4',5'-trimethoxyflavone
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CAS No.: 18103-42-9
Catalog No.: CFN96493
Molecular Formula: C18H16O7
Molecular Weight: 344.32 g/mol
Purity: >=98%
Type of Compound: Flavonoids
Physical Desc.: Powder
Source: The herbs of Centaurea scoparia
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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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: 5,7-Dihydroxy-3',4',5'-trimethoxyflavone is a natural product from Centaurea scoparia.
In vitro:
ScientificWorldJournal. 2014;2014:274207.
Cytotoxic activities of flavonoids from Centaurea scoparia.[Pubmed: 25114960 ]

METHODS AND RESULTS:
Phytochemical studies on the ethanolic extract of the aerial parts of Centaurea scoparia led to the isolation of two new flavonoids, 3',4'-dihydroxy-(3'',4''-dihydro-3''-hydroxy-4''-acetoxy)-2'',2''-dimethylpyrano-(5'',6'':7,8)-flavone-3-O- β -D-glucopyranoside (1) and 3,3',4'-trihydroxy-(3'',4''-dihydro-3'',4''-dihydroxy)-2'',2''-dimethylpyrano-(5'',6'':7,8)-flavone (2), along with eight known flavonoids isolated for the first time from this plant, cynaroside (3), Apigetrin (4), centaureidin (5), oroxylin A (6), 5,7-Dihydroxy-3',4',5'-trimethoxyflavone (7), atalantoflavone (8), 5-hydroxy-3',4',8-trimethoxy-2'',2''-dimethylpyrano (5'',6'':6,7)-flavone (9), and 3',4',5,8-tetramethoxy-2'',2''-dimethylpyrano (5'',6'':6,7)-flavone (10). The structures of the isolated compounds were elucidated by means of spectroscopic tools including 1D and 2D NMR, UV, IR, and mass spectroscopy.
CONCLUSIONS:
Cytotoxic activities of the isolated compounds were evaluated against human cervical carcinoma HeLa, human hepatocellular carcinoma HepG2, and human breast carcinoma MCF-7. Compound 2 was the most potent cytotoxic agent against HeLa cells with an IC50 0.079  μM.
5,7-Dihydroxy-3',4',5'-trimethoxyflavone Description
Source: The herbs of Centaurea scoparia
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.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

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Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.9043 mL 14.5214 mL 29.0428 mL 58.0855 mL 72.6069 mL
5 mM 0.5809 mL 2.9043 mL 5.8086 mL 11.6171 mL 14.5214 mL
10 mM 0.2904 mL 1.4521 mL 2.9043 mL 5.8086 mL 7.2607 mL
50 mM 0.0581 mL 0.2904 mL 0.5809 mL 1.1617 mL 1.4521 mL
100 mM 0.029 mL 0.1452 mL 0.2904 mL 0.5809 mL 0.7261 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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