Rheumone BCAS# 2095596-67-9 |
Quality Control & MSDS
Package In Stock
Number of papers citing our products
| Cas No. | 2095596-67-9 | SDF | Download SDF |
| PubChem ID | N/A | Appearance | Powder |
| Formula | C22H24O10 | M.Wt | 448.4 |
| Type of Compound | Phenols | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| 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. | ||
The aerial part of Rumex patientia
Rheumone B Dilution Calculator
Rheumone B Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.2302 mL | 11.1508 mL | 22.3015 mL | 44.603 mL | 55.7538 mL |
| 5 mM | 0.446 mL | 2.2302 mL | 4.4603 mL | 8.9206 mL | 11.1508 mL |
| 10 mM | 0.223 mL | 1.1151 mL | 2.2302 mL | 4.4603 mL | 5.5754 mL |
| 50 mM | 0.0446 mL | 0.223 mL | 0.446 mL | 0.8921 mL | 1.1151 mL |
| 100 mM | 0.0223 mL | 0.1115 mL | 0.223 mL | 0.446 mL | 0.5575 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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Phenolic constituents from Rheum nobile and their antioxidant activity.[Pubmed:28301949]
Nat Prod Res. 2017 Dec;31(24):2842-2849.
Although the rhizomes of Rheum nobile Hook. f. et Thoms (Polygonaceae) are widely used in Tibetan medicine, no previous investigations regarding the biological activities and rarely chemical constituents of this plant have been reported. As part of an ongoing search for novel bioactive agents, a phytochemical investigation of R. nobile led to the isolation of two new compounds Rheumone B (1) and piceatannol-4'-O-beta-D-(6''-O-acetyl)-glucoside (2), together with 15 known compounds by gel filtration over Sephadex LH-20 and preparative HPLC. Their structures were determined by combined spectroscopic methods. Compounds 1-10 were evaluated for their ability to scavenge 2,2-diphenyl-1-picrylhydzyl (DPPH) radical and compounds 7-10 showed relatively strong scavenging abilities with IC50 values from 2.76 muM to 11.80 muM. In conclusion, naphthalene glycosides, stilbene glycosides, flavanols, especially anthraquinones are main chemical constituents of this plant. The ability to scavenge DPPH radical of compound 8 was the highest among compounds 1-10.
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