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Taiwanhomoflavone B

CAS# 509077-91-2

Taiwanhomoflavone B

Catalog No. BCN5624----Order now to get a substantial discount!

Product Name & Size Price Stock
Taiwanhomoflavone B: 5mg $886 In Stock
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Quality Control of Taiwanhomoflavone B

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Chemical structure

Taiwanhomoflavone B

3D structure

Chemical Properties of Taiwanhomoflavone B

Cas No. 509077-91-2 SDF Download SDF
PubChem ID 91885192 Appearance Yellow powder
Formula C32H24O10 M.Wt 568.5
Type of Compound Flavonoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 6-[4-[(2S)-5,7-dihydroxy-6-methyl-4-oxo-2,3-dihydrochromen-2-yl]phenoxy]-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxychromen-4-one
SMILES CC1=C(C=C2C(=C1O)C(=O)CC(O2)C3=CC=C(C=C3)OC4=C(C=C5C(=C4O)C(=O)C=C(O5)C6=CC=C(C=C6)O)OC)O
Standard InChIKey KFJPGGGJZYXVJH-DEOSSOPVSA-N
Standard InChI InChI=1S/C32H24O10/c1-15-20(34)11-25-28(30(15)37)21(35)12-24(41-25)17-5-9-19(10-6-17)40-32-27(39-2)14-26-29(31(32)38)22(36)13-23(42-26)16-3-7-18(33)8-4-16/h3-11,13-14,24,33-34,37-38H,12H2,1-2H3/t24-/m0/s1
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 Taiwanhomoflavone B

The barks of Cephalotaxus fortunei

Biological Activity of Taiwanhomoflavone B

Description1. Taiwanhomoflavone B is cytotoxic with ED(50) values of 3.8 and 3.5 microg/ml, against KB oral epidermoid carcinoma and Hepa-3B hepatoma cells, respectively.

Taiwanhomoflavone B Dilution Calculator

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Taiwanhomoflavone B Molarity Calculator

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Preparing Stock Solutions of Taiwanhomoflavone B

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.759 mL 8.7951 mL 17.5901 mL 35.1803 mL 43.9754 mL
5 mM 0.3518 mL 1.759 mL 3.518 mL 7.0361 mL 8.7951 mL
10 mM 0.1759 mL 0.8795 mL 1.759 mL 3.518 mL 4.3975 mL
50 mM 0.0352 mL 0.1759 mL 0.3518 mL 0.7036 mL 0.8795 mL
100 mM 0.0176 mL 0.088 mL 0.1759 mL 0.3518 mL 0.4398 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.

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References on Taiwanhomoflavone B

A novel cytotoxic C-methylated biflavone, taiwanhomoflavone-B from the twigs of Cephalotaxus wilsoniana.[Pubmed:12499600]

Chem Pharm Bull (Tokyo). 2002 Dec;50(12):1607-8.

A novel C-methylated biflavone, taiwanhomoflavone-B (1), together with known compounds, 7,4',7"-tri-O-methylamentoflavone, 6-C-methylnaringenin and apigenin-7-O-beta-glucoside were isolated from an ethanolic extract of Cephalotaxus wilsoniana. The structure of 1 was elucidated on the basis of spectroscopic analysis. Taiwanhomoflavone-B is cytotoxic with ED(50) values of 3.8 and 3.5 microg/ml, against KB oral epidermoid carcinoma and Hepa-3B hepatoma cells, respectively.

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