Syringetin 3-O-galactosideCAS# 55025-56-4 |
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| Cas No. | 55025-56-4 | SDF | Download SDF |
| PubChem ID | 20056941 | Appearance | Powder |
| Formula | C23H24O13 | M.Wt | 508.4 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 5,7-dihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-3-[(3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one | ||
| SMILES | COC1=CC(=CC(=C1O)OC)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)CO)O)O)O | ||
| Standard InChIKey | JMFWYRWPJVEZPV-SFBSONLZSA-N | ||
| Standard InChI | InChI=1S/C23H24O13/c1-32-12-3-8(4-13(33-2)16(12)27)21-22(18(29)15-10(26)5-9(25)6-11(15)34-21)36-23-20(31)19(30)17(28)14(7-24)35-23/h3-6,14,17,19-20,23-28,30-31H,7H2,1-2H3/t14-,17+,19+,20-,23?/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 leaves of Corylus heterophylla Fisch
| Description | Reference standards. | |||||
Syringetin 3-O-galactoside Dilution Calculator
Syringetin 3-O-galactoside Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.967 mL | 9.8348 mL | 19.6696 mL | 39.3391 mL | 49.1739 mL |
| 5 mM | 0.3934 mL | 1.967 mL | 3.9339 mL | 7.8678 mL | 9.8348 mL |
| 10 mM | 0.1967 mL | 0.9835 mL | 1.967 mL | 3.9339 mL | 4.9174 mL |
| 50 mM | 0.0393 mL | 0.1967 mL | 0.3934 mL | 0.7868 mL | 0.9835 mL |
| 100 mM | 0.0197 mL | 0.0983 mL | 0.1967 mL | 0.3934 mL | 0.4917 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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Metabolite profiling of grape: Flavonols and anthocyanins.[Pubmed:17002441]
J Agric Food Chem. 2006 Oct 4;54(20):7692-702.
Flavonols are products of the flavonoid biosynthetic pathway, which also give rise to anthocyanins and condensed tannins in grapes. We investigated their presence in the berry skins of 91 grape varieties (Vitis vinifera L.), in order to produce a classification based on the flavonol profile. The presence of laricitrin 3-O-galactoside and Syringetin 3-O-galactoside in red grapes is reported here for the first time. In red grapes, the main flavonol was quercetin (mean = 43.99%), followed by myricetin (36.81%), kaempferol (6.43%), laricitrin (5.65%), isorhamnetin (3.89%), and syringetin (3.22%). In white grapes, the main flavonol was quercetin (mean = 81.35%), followed by kaempferol (16.91%) and isorhamnetin (1.74%). The delphinidin-like flavonols myricetin, laricitrin, and syringetin were missing in all white varieties, indicating that the enzyme flavonoid 3',5'-hydroxylase is not expressed in white grape varieties. The pattern of expression of flavonols and anthocyanins in red grapes was compared, in order to gain information on the substrate specificity of enzymes involved in flavonoid biosynthesis.
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