Erigeside ICAS# 224824-74-2 |
Quality Control & MSDS
3D structure
Package In Stock
Number of papers citing our products
| Cas No. | 224824-74-2 | SDF | Download SDF |
| PubChem ID | 5315605 | Appearance | Powder |
| Formula | C20H20O11 | M.Wt | 436.36 |
| Type of Compound | Phenols | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | [(2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(4-oxopyran-3-yl)oxyoxan-2-yl]methyl (E)-3-(3,4-dihydroxyphenyl)prop-2-enoate | ||
| SMILES | C1=CC(=C(C=C1C=CC(=O)OCC2C(C(C(C(O2)OC3=COC=CC3=O)O)O)O)O)O | ||
| Standard InChIKey | CLFSHBHNICRSDA-ROGMSIAGSA-N | ||
| Standard InChI | InChI=1S/C20H20O11/c21-11-3-1-10(7-13(11)23)2-4-16(24)29-9-15-17(25)18(26)19(27)20(31-15)30-14-8-28-6-5-12(14)22/h1-8,15,17-21,23,25-27H,9H2/b4-2+/t15-,17-,18+,19-,20-/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. |
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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. Erigeside I is a radical scavenger. |
Erigeside I Dilution Calculator
Erigeside I Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.2917 mL | 11.4584 mL | 22.9169 mL | 45.8337 mL | 57.2921 mL |
| 5 mM | 0.4583 mL | 2.2917 mL | 4.5834 mL | 9.1667 mL | 11.4584 mL |
| 10 mM | 0.2292 mL | 1.1458 mL | 2.2917 mL | 4.5834 mL | 5.7292 mL |
| 50 mM | 0.0458 mL | 0.2292 mL | 0.4583 mL | 0.9167 mL | 1.1458 mL |
| 100 mM | 0.0229 mL | 0.1146 mL | 0.2292 mL | 0.4583 mL | 0.5729 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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Screening of free radical scavengers from Erigeron breviscapus using on-line HPLC-ABTS/DPPH based assay and mass spectrometer detection.[Pubmed:22239535]
Free Radic Res. 2012 Mar;46(3):286-94.
Erigeron breviscapus is a well-known traditional Chinese herbal medicine. In this study, on-line HPLC-ABTS/DPPH assay coupled with MS detection were applied to screen and identify the free radical scavengers in 70% methanol extracts of E. breviscapus. Using on-line HPLC-ABTS-MS and HPLC-DPPH-MS assay, 13 radical scavengers (including 4-O-caffeoylquinic acid (4-CQA) (1), 9-caffeoyl-2,7-anhydro-2-octulosonic acid (9-COA) (2), 3-caffeoyl-2,7-anhydro-3-deoxy-2-octulopyranosonic acid (3-CDOA) (3), Erigeside I (4), quercetin-3-O-glucuronide (5), eriodictyol-7-O-glucuronide (6), scutellarin (7), 1,4-di-O-caffeoylquinic acid (1,4-di-CQA) (8), 3,5-di-CQA (9), 1-malonyl-3,5-di-CQA (10), erigoster B (11), 4,5-di-CQA (12) and 4,9-di-CDOA (13)) and 9 radical scavengers (including 1, 4, 7, 8, 9, 10, 11, 12 and 13) were discovered, respectively. Furthermore, the anti-oxidative activities of 4 compounds, including 7, 9, 11 and 12 were evaluated. Reverse anti-oxidative activity order of scutellarin and 3,5-di-CQA was observed in on-line HPLC-ABTS assay and on-line HPLC-DPPH assay. To validate their anti-oxidative activities, the off-line ABTS and DPPH assays were performed. Given sufficient reaction time, 3,5-di-CQA showed higher activity than scutellarin, which was consistent with the order obtained in on-line HPLC-ABTS assay. These results revealed that on-line HPLC-ABTS assay is a more sensitive method for screening and determining free radical scavengers, especially more suitable for those compounds with slower reaction kinetics.
