Praeroside IICAS# 86940-46-7 |
Quality Control & MSDS
3D structure
Package In Stock
Number of papers citing our products
| Cas No. | 86940-46-7 | SDF | Download SDF |
| PubChem ID | 24066895 | Appearance | Powder |
| Formula | C20H24O10 | M.Wt | 424.40 |
| Type of Compound | Coumarins | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (9R,10R)-10-hydroxy-8,8-dimethyl-9-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9,10-dihydropyrano[2,3-f]chromen-2-one | ||
| SMILES | CC1(C(C(C2=C(O1)C=CC3=C2OC(=O)C=C3)O)OC4C(C(C(C(O4)CO)O)O)O)C | ||
| Standard InChIKey | QAUDHOGPLBDVAX-GZFODPQLSA-N | ||
| Standard InChI | InChI=1S/C20H24O10/c1-20(2)18(29-19-16(26)15(25)13(23)10(7-21)27-19)14(24)12-9(30-20)5-3-8-4-6-11(22)28-17(8)12/h3-6,10,13-16,18-19,21,23-26H,7H2,1-2H3/t10-,13-,14-,15+,16-,18-,19+/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. Praeroside II shows inhibitory activity of NO production in macrophages. |
| Targets | NO |
Praeroside II Dilution Calculator
Praeroside II Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.3563 mL | 11.7813 mL | 23.5627 mL | 47.1254 mL | 58.9067 mL |
| 5 mM | 0.4713 mL | 2.3563 mL | 4.7125 mL | 9.4251 mL | 11.7813 mL |
| 10 mM | 0.2356 mL | 1.1781 mL | 2.3563 mL | 4.7125 mL | 5.8907 mL |
| 50 mM | 0.0471 mL | 0.2356 mL | 0.4713 mL | 0.9425 mL | 1.1781 mL |
| 100 mM | 0.0236 mL | 0.1178 mL | 0.2356 mL | 0.4713 mL | 0.5891 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 the leaves of Peucedanum japonicum thunb.[Pubmed:12926867]
J Agric Food Chem. 2003 Aug 27;51(18):5255-61.
Seventeen compounds were isolated from the n-butanol soluble fraction of the leaves of Peucedanum japonicum Thunb. On the basis of MS and various NMR spectroscopic techniques, the structures of the isolated compounds were determined as isoquercitrin (1), rutin (2), 3-O-caffeoylquinic acid (3), 4-O-caffeoylquinic acid (4), 5-O-caffeoylquinic acid (5), cnidioside A (6), Praeroside II (7), Praeroside III (8), apterin (9), esculin (10), (R)-peucedanol (11), (R)-peucedanol 7-O-beta-d-glucopyranoside (12), l-tryptophan (13), uracil (14), guanosine (15), uridine (16), and thymidine (17). All compounds except 11 and 12 were isolated for the first time from P. japonicum. Several isolated compounds were quantified by high-performance liquid chromatography analysis. In addition, all isolated compounds were examined for radical scavenging on 1,1-diphenyl-2-picrylhydrazyl radical and for inhibition of oxidation of liposome induced by 2,2'-azobis(2-amidinopropane)dihydrochloride. Compounds 2-5 were found to be the major potent constituents, which contribute to the antioxidant activity of P. japonicum leaves.
Hepatoprotective and nitric oxide production inhibitory activities of coumarin and polyacetylene constituents from the roots of Angelica furcijuga.[Pubmed:9873511]
Bioorg Med Chem Lett. 1998 Aug 18;8(16):2191-6.
The methanolic extract from the roots of Angelica furcijuga KITAGAWA was found to exhibit protective effects on liver injury induced by D-galactosamine (D-GalN) and lipopolysaccharide (LPS). From the methanolic extract, seventeen coumarins, two phenylpropanoids, and two polyacetylenes were isolated and examined their in vitro and in vivo hepatoprotective effects and inhibitory activity of NO production in macrophages. A acylated khellactone, isoepoxypteryxin, showed protective activity against D-GalN-induced cytotoxicity in primary cultured rat hepatocytes. On the other hand, six acylated khellactones (hyuganins A, B, C, and D, anomalin, isopteryxin) and two polyacetylenes [(-)-falcarinol and falcarindiol] strongly inhibited NO production induced by LPS in cultured mouse peritoneal macrophages, and also other acylated khellactones (isoepoxypteryxin, pteryxin, and suksdorfin) and a coumarin glycosides (Praeroside II) were found to show the activity. By comparison of the inhibitory activities for acylated khellactones with those for other coumarins, acyl groups were found to be essential to exerting potent activity.
