Pratensein 7-O-glucopyranosideCAS# 36191-03-4 |
Quality Control & MSDS
3D structure
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| Cas No. | 36191-03-4 | SDF | Download SDF |
| PubChem ID | 16202157 | Appearance | Powder |
| Formula | C22H22O11 | M.Wt | 462.41 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 5-hydroxy-3-(3-hydroxy-4-methoxyphenyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one | ||
| SMILES | COC1=C(C=C(C=C1)C2=COC3=CC(=CC(=C3C2=O)O)OC4C(C(C(C(O4)CO)O)O)O)O | ||
| Standard InChIKey | FGAAKLDKKBMYCB-RECXWPGBSA-N | ||
| Standard InChI | InChI=1S/C22H22O11/c1-30-14-3-2-9(4-12(14)24)11-8-31-15-6-10(5-13(25)17(15)18(11)26)32-22-21(29)20(28)19(27)16(7-23)33-22/h2-6,8,16,19-25,27-29H,7H2,1H3/t16-,19-,20+,21-,22-/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. | ||
The herbs of Trifolium pratense L.
| Structure Identification | Magnetic Resonance in Chemistry, 2006, 44(7):708-712.Solvent effect in H-1 NMR spectra of 3 '-hydroxy-4 '-methoxy isoflavonoids from Astragalus membranaceus var. mongholicus[Reference: WebLink]
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Pratensein 7-O-glucopyranoside Dilution Calculator
Pratensein 7-O-glucopyranoside Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.1626 mL | 10.8129 mL | 21.6258 mL | 43.2517 mL | 54.0646 mL |
| 5 mM | 0.4325 mL | 2.1626 mL | 4.3252 mL | 8.6503 mL | 10.8129 mL |
| 10 mM | 0.2163 mL | 1.0813 mL | 2.1626 mL | 4.3252 mL | 5.4065 mL |
| 50 mM | 0.0433 mL | 0.2163 mL | 0.4325 mL | 0.865 mL | 1.0813 mL |
| 100 mM | 0.0216 mL | 0.1081 mL | 0.2163 mL | 0.4325 mL | 0.5406 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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Solvent effect in H-1 NMR spectra of 3 '-hydroxy-4 '-methoxy isoflavonoids from Astragalus membranaceus var. mongholicus
Magnetic Resonance in Chemistry, 2006, 44(7):708-712.
Four 3'-hydroxy-4'-methoxy-isoflavonoids: calycosin-7-O-beta-D-glucopyranoside (1), calycosin (2), pratensein-7-O-beta-D-glucopyranoside (Pratensein 7-O-glucopyranoside ,3), and pratensein (4) were isolated from Astragalus membranaceus var. mongholicus, among which compound 4 was obtained from this plant for the first time. The solvent effect obscuring (1)H signal patterns of B ring of compounds 1-4 was reported to avoid mis-assignments. Previously reported NMR data of compounds 1 and 2 were corrected based on 1D and 2D NMR experiments.
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