Vernolide B

CAS# 618860-58-5

Vernolide B

Catalog No. BCN6749----Order now to get a substantial discount!

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Vernolide B: 5mg $886 In Stock
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Quality Control of Vernolide B

Number of papers citing our products

Chemical structure

Vernolide B

3D structure

Chemical Properties of Vernolide B

Cas No. 618860-58-5 SDF Download SDF
PubChem ID 70692803 Appearance Powder
Formula C23H30O8 M.Wt 434.48
Type of Compound Sesquiterpenoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
SMILES CC=C(C)C(=O)OC1CC(C2(CCC(O2)(C=C3C1=C(C(=O)O3)COC(=O)C)C)OC)C
Standard InChIKey CIBBPLMBWXKCDP-RRPNGBMBSA-N
Standard InChI InChI=1S/C23H30O8/c1-7-13(2)20(25)29-17-10-14(3)23(27-6)9-8-22(5,31-23)11-18-19(17)16(21(26)30-18)12-28-15(4)24/h7,11,14,17H,8-10,12H2,1-6H3/b13-7+,18-11+/t14-,17+,22-,23+/m1/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 Vernolide B

The stems of Vernonia cinerea

Biological Activity of Vernolide B

Description1. Vernolide B has marginal cytoxicity (ED(50)=3.78, 5.88, 6.42 microg/ml for KB, NCI-661, and Hela, respectively).

Vernolide B Dilution Calculator

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Vernolide B Molarity Calculator

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Preparing Stock Solutions of Vernolide B

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.3016 mL 11.508 mL 23.016 mL 46.032 mL 57.54 mL
5 mM 0.4603 mL 2.3016 mL 4.6032 mL 9.2064 mL 11.508 mL
10 mM 0.2302 mL 1.1508 mL 2.3016 mL 4.6032 mL 5.754 mL
50 mM 0.046 mL 0.2302 mL 0.4603 mL 0.9206 mL 1.1508 mL
100 mM 0.023 mL 0.1151 mL 0.2302 mL 0.4603 mL 0.5754 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 Vernolide B

Two novel sesquiterpene lactones, cytotoxic vernolide-A and -B, from Vernonia cinerea.[Pubmed:12672998]

Chem Pharm Bull (Tokyo). 2003 Apr;51(4):425-6.

Bioassay-directed fractionation of an ethanolic extract of stems of Vernonia cinerea has resulted in the isolation of two novel sesquiterpene lactones, vernolide-A and -B. Their structures were elucidated on the basis of spectroscopic analysis. Biological evaluation showed that vernolide-A demonstrated potent cytotoxicity against human KB, DLD-1, NCI-661, and Hela tumor cell lines (ED(50)=0.02, 0.05, 0.53, 0.04 microg/ml for KB, DLD-1, NCI-661, and Hela, respectively); vernolide-B had marginal cytoxicity (ED(50)=3.78, 5.88, 6.42 microg/ml for KB, NCI-661, and Hela, respectively).

Sesquiterpene lactones with potent cytotoxic activities from Vernonia chinensis.[Pubmed:16254828]

Planta Med. 2005 Oct;71(10):949-54.

Five new sesquiterpene lactones, namely vernchinilides A-E (1-5), along with five known compounds, 8 beta-(2-methylacryloyloxy)hirsutinolide 13-O-acetate (6), 8 alpha-(2-methylacryloyloxy)-1beta,4beta-epoxy-1alpha-methoxy-13-O-acetate-10 betaH-germacra-5 E,7(11)-dien-12,6-olide (7), 8 beta-(2-hydroxymethylacryloyloxy)hirsutinolide 13-O-acetate (8), 8 alpha-tigloyloxyhirsutinolide 13-O-acetate ( 9) and vernolide-B (10) were isolated from Vernonia chinensis. The structures of these new compounds were elucidated on the basis of spectral data, especially 2D-NMR techniques. Compounds 2, 5 and 6 exhibited potent cytotoxic activities against P-388 and A-549 tumor cell lines.

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