OmbuosideCAS# 20188-85-6 |
Quality Control & MSDS
3D structure
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Number of papers citing our products
| Cas No. | 20188-85-6 | SDF | Download SDF |
| PubChem ID | 5464499 | Appearance | Yellow powder |
| Formula | C29H34O16 | M.Wt | 638.6 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one | ||
| SMILES | CC1C(C(C(C(O1)OCC2C(C(C(C(O2)OC3=C(OC4=CC(=CC(=C4C3=O)O)OC)C5=CC(=C(C=C5)O)OC)O)O)O)O)O)O | ||
| Standard InChIKey | JUIYKRQGQJORHH-BDAFLREQSA-N | ||
| Standard InChI | InChI=1S/C29H34O16/c1-10-19(32)22(35)24(37)28(42-10)41-9-17-20(33)23(36)25(38)29(44-17)45-27-21(34)18-14(31)7-12(39-2)8-16(18)43-26(27)11-4-5-13(30)15(6-11)40-3/h4-8,10,17,19-20,22-25,28-33,35-38H,9H2,1-3H3/t10-,17+,19-,20+,22+,23-,24+,25+,28+,29-/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. |
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| 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. |
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| 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. | ||
| Description | 1. Ombuoside has antifungal activity. 2. Ombuoside shows significant antioxidant activity in the DPPH, and TEAC, reducing power assays. |
| Targets | Antifection |
Ombuoside Dilution Calculator
Ombuoside Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.5659 mL | 7.8296 mL | 15.6593 mL | 31.3185 mL | 39.1481 mL |
| 5 mM | 0.3132 mL | 1.5659 mL | 3.1319 mL | 6.2637 mL | 7.8296 mL |
| 10 mM | 0.1566 mL | 0.783 mL | 1.5659 mL | 3.1319 mL | 3.9148 mL |
| 50 mM | 0.0313 mL | 0.1566 mL | 0.3132 mL | 0.6264 mL | 0.783 mL |
| 100 mM | 0.0157 mL | 0.0783 mL | 0.1566 mL | 0.3132 mL | 0.3915 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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Antioxidant compounds from Ebenus pinnata.[Pubmed:17067757]
Fitoterapia. 2007 Jan;78(1):32-4.
Activity-guided fractionation of the methanol extract of Ebenus pinnata aerial parts led to the isolation of Ombuoside (1), kaempferol 3-O-rutinoside (2), rutin (3), catechin (4), and picein (5), along with beta-sitosterol and beta-sitosterol glucoside. Compounds 1-4 showed significant antioxidant activity in the DPPH, and TEAC, reducing power assays.
Isolation, identification and antimicrobial activity of ombuoside from Stevia triflora.[Pubmed:9453171]
Ann Pharm Fr. 1997;55(6):262-8.
From aerial parts of Stevia triflora DC the flavonol glycoside Ombuoside (7,4'-di-O-methylquercetin-3-O-beta-rutinoside) has been isolated and identified on the basis of spectral data. Ombuoside and the synthetic derivatives octa-acetylOmbuoside, ombuine and retusine were tested for antimicrobial activity against several strains of Gram-positive and Gram-negative bacteria and the yeast Candida albicans, using the agar diffusion method. The flavonol glycoside Ombuoside and the respective aglycone ombuine, both exhibited moderated activity against Corynebacterium diphtheria, Staphylococcus aureus, Escherichia coli and Candida albicans. To a lesser degree, octaacetylOmbuoside and retusine showed activity against the Gram-positive bacteria C. diphtheria and S. aureus, but proved to be inactive against Gram-negative bacteria and Candida albicans. These results indicate that the presence of free hydroxyl groups, either alcoholic or phenolic, is an important chemical feature for the expression of flavonol antimicrobial activity. It is worth noting that this is the first study reported on the antibacterial and antifungal activity of these substances.
