4',7-Dimethoxyisoflavone CAS NO.1157-39-7

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4',7-Dimethoxyisoflavone
1157-39-7
standard supplier in China

Quick Details

ProName: 4',7-Dimethoxyisoflavone
CasNo: 1157-39-7
Molecular Formula: C17H14O4
Appearance: detailed see specifications
Application: analysis,activity test,Botanical Refer...
DeliveryTime: 1-3?working?days?after?confirming?the?...
PackAge: According to the clients requirement.
Port: China main port
ProductionCapacity: 1 Metric Ton/Day
Purity: ≥98%
Storage: Store at 2~8°C
Transportation: by air or by ocean shipping
LimitNum: 10 Milligram
Plant of Origin: Chinese herbal medicine
Testing Method: NMR/MS/HPLC
Product Ecification: 1mg-1kg
Heavy Metal: <10ppm
Voluntary Standards: company standard
Storage: Store in dry, dark and ventilated plac...
PackAge: Brown vial HDPE plastic bottle

Superiority

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine，Traditional Chinese Medicine), Natural Active Pharmaceutical Ingredients worldwide. From small quantities for R&D or reference standard, to large quantities for customizing or manufacturing, Biopurify emphasizes on consistent and reliable services for his customers.
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We are doing our best to be your reliable partner for high quality Phytochemicals and Reference Standards from china.

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General tips：For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging：1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition：Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Details

Chemical Properties of Daidzein dimethyl ether

Cas No.	1157-39-7
PubChem ID	136419	Appearance	Powder
Formula	C₁₇H₁₄O₄	M.Wt	282.3
Type of Compound	Flavonoids	Storage	Desiccate at -20°C
Solubility	Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name	7-methoxy-3-(4-methoxyphenyl)chromen-4-one
SMILES	COC1=CC=C(C=C1)C2=COC3=C(C2=O)C=CC(=C3)OC
Standard InChIKey	LPNBCGIVZXHHHO-UHFFFAOYSA-N
Standard InChI	InChI=1S/C17H14O4/c1-19-12-5-3-11(4-6-12)15-10-21-16-9-13(20-2)7-8-14(16)17(15)18/h3-10H,1-2H3
General tips	For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging	1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment.
Shipping Condition	Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Daidzein dimethyl ether

The seeds of Glycine max

Protocol of Daidzein dimethyl ether

Structure Identification

Proceedings of the Indian Academy of Sciences - Section A, 1951, 33(5):257-263.

Synthetic experiments in the benzopyrone series.[Reference: WebLink]

The study of daidzein derivatives provides further support to the conclusions already arrived at regarding the special features of partial methylation and demethylation in the isoflavone series.
METHODS AND RESULTS:
Partial methylation of daidzein gives a good yield of the 7-monomethyl ether (isoformononetin) and the formation of the isomeric formononetin could not be detected. The same 7-methyl ether is obtained most conveniently by the demethylation of Daidzein dimethyl ether with hydrobromic acid and hydriodic acid. 5:7-Dihydroxy and di-methoxy isoflavones have also been examined with a view to compare them with corresponding flavones.
CONCLUSIONS:
7-Methoxy-5-hydroxy isoflavone is obtained most readily by partial demethylation of dimethoxy isoflavone with hydriodic acid whereas chrysin dimethyl ether yields mostly chrysin under these conditions.

Preparing Stock Solutions of Daidzein dimethyl ether

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	3.5423 mL	17.7117 mL	35.4233 mL	70.8466 mL	88.5583 mL
5 mM	0.7085 mL	3.5423 mL	7.0847 mL	14.1693 mL	17.7117 mL
10 mM	0.3542 mL	1.7712 mL	3.5423 mL	7.0847 mL	8.8558 mL
50 mM	0.0708 mL	0.3542 mL	0.7085 mL	1.4169 mL	1.7712 mL
100 mM	0.0354 mL	0.1771 mL	0.3542 mL	0.7085 mL	0.8856 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

Description

4',7-Dimethoxyisoflavone is isolated from the leaves of Albizzia lebbeck, which shows antifungal activity.

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