RivularinCAS# 70028-59-0 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 70028-59-0 | SDF | Download SDF |
| PubChem ID | 13889022 | Appearance | Yellow powder |
| Formula | C18H16O7 | M.Wt | 344.3 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 5-hydroxy-2-(2-hydroxy-6-methoxyphenyl)-7,8-dimethoxychromen-4-one | ||
| SMILES | COC1=CC=CC(=C1C2=CC(=O)C3=C(O2)C(=C(C=C3O)OC)OC)O | ||
| Standard InChIKey | IYMNRCWUEDWTPE-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C18H16O7/c1-22-12-6-4-5-9(19)16(12)13-7-10(20)15-11(21)8-14(23-2)17(24-3)18(15)25-13/h4-8,19,21H,1-3H3 | ||
| 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. | ||
| Structure Identification | Phytochemistry, 1994, 35(2):511-514.Four flavonoids from Scutellaria baicalensis.[Reference: WebLink]
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Rivularin Dilution Calculator
Rivularin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.9044 mL | 14.5222 mL | 29.0444 mL | 58.0889 mL | 72.6111 mL |
| 5 mM | 0.5809 mL | 2.9044 mL | 5.8089 mL | 11.6178 mL | 14.5222 mL |
| 10 mM | 0.2904 mL | 1.4522 mL | 2.9044 mL | 5.8089 mL | 7.2611 mL |
| 50 mM | 0.0581 mL | 0.2904 mL | 0.5809 mL | 1.1618 mL | 1.4522 mL |
| 100 mM | 0.029 mL | 0.1452 mL | 0.2904 mL | 0.5809 mL | 0.7261 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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On-line comprehensive two-dimensional HepG2 cell membrane chromatographic analysis system for charactering anti-hepatoma components from rat serum after oral administration of Radix scutellariae: A strategy for rapid screening active compounds in vivo.[Pubmed:26512996]
J Pharm Biomed Anal. 2016 Jan 25;118:27-33.
Cell membrane chromatography (CMC) is a bioaffinity chromatography technique for characterizing interactions between drugs and membrane receptors and has been widely used to screen active components from complex samples such as herbal medicines (HMs). However, it has never been applied in vivo due to its relatively high limit of detection (LOD) and the matrix interferences. In this study, a novel on-line comprehensive two-dimensional HepG2/CMC/enrich columns/high performance liquid chromatography/time-of-flight mass spectrometry system was developed to rapidly screen potential anti-hepatoma components from drug-containing serum of rats after oral administration of Radix scutellariae. A matrix interference deduction method with a home-written program in MATLAB was developed, which could successfully eliminate the interference of endogenous substances in serum. Baicalein, wogonin, chrysin, oroxylin A, neobaicalein and Rivularin from Radix scutellariae extraction were significantly retained in the HepG2/CMC column. Three potential active components, wogonin, oroxylin A and neobaicalein were firstly screened from the drug-containing serum as well. The cell counting kit-8 assay demonstrated that wogonin, oroxylin A and chrysin showed high inhibitory activities in a dose-dependent manner on HepG2 cells at the concentration of 12.5-200 muM (p<0.05) and the IC50 values were 69.83, 16.66 and 51.6 muM, respectively. Wogonin and oroxylin A, which were screened both from Radix scutellariae extraction and the drug-containing serum, could be selected as lead compounds to obtain good anti-hepatoma effects. The proposed comprehensive 2D CMC system and matrix interference elimination strategy have significant advantages for in vivo screening of active components from complex biological samples and could be applied to other biochromatography models.
