4',7-DihydroxyflavoneCAS# 2196-14-7 |
Quality Control & MSDS
3D structure
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Number of papers citing our products
| Cas No. | 2196-14-7 | SDF | Download SDF |
| PubChem ID | 5282073 | Appearance | Yellow cryst. |
| Formula | C15H10O4 | M.Wt | 254.1 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | DMSO : ≥ 250 mg/mL (983.32 mM) *"≥" means soluble, but saturation unknown. | ||
| Chemical Name | 7-hydroxy-2-(4-hydroxyphenyl)chromen-4-one | ||
| SMILES | C1=CC(=CC=C1C2=CC(=O)C3=C(O2)C=C(C=C3)O)O | ||
| Standard InChIKey | LCAWNFIFMLXZPQ-UHFFFAOYSA-N | ||
| 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. 4',7-Dihydroxyflavone can induce transcription of nodulation (nod) genes in Rhizobium meliloti. 2. 4',7-Dihydroxyflavone has inhibitory activities against COX-2. |
| Targets | COX | NOD1 |
4',7-Dihydroxyflavone Dilution Calculator
4',7-Dihydroxyflavone Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.9355 mL | 19.6773 mL | 39.3546 mL | 78.7092 mL | 98.3865 mL |
| 5 mM | 0.7871 mL | 3.9355 mL | 7.8709 mL | 15.7418 mL | 19.6773 mL |
| 10 mM | 0.3935 mL | 1.9677 mL | 3.9355 mL | 7.8709 mL | 9.8386 mL |
| 50 mM | 0.0787 mL | 0.3935 mL | 0.7871 mL | 1.5742 mL | 1.9677 mL |
| 100 mM | 0.0394 mL | 0.1968 mL | 0.3935 mL | 0.7871 mL | 0.9839 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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Isolation and characterization of phenolic compounds from the leaves of Salix matsudana.[Pubmed:18794770]
Molecules. 2008 Aug 3;13(8):1530-7.
A bioassay-guided in vitro screen has revealed that a 70% methanol extract of the leaves of Salix matsudana shows considerable inhibitory activity against cyclooxygenases (COX-1 and COX-2). A subsequent phytochemical study led to the isolation of a new flavonoid, matsudone A (1), together with five known flavonoids--luteolin (2), isoquercitrin (3), 7-methoxyflavone (4), luteolin 7-O-glucoside (5), 4',7-dihydroxyflavone (6)--and two phenolic glycosides, leonuriside A (7) and piceoside (8). Their structures were elucidated on the basis of extensive 1D- and 2D-NMR studies, high resolution ESI mass spectroscopic analyses and comparisons with literature data. The isolated compounds 1-8 were tested for their inhibitory activities against COX-1 and COX-2. Compounds 1, 5 and 6 were found to have potent inhibitory effect on COX-2 and compounds 3-5 exhibited moderate inhibition against COX-1.
A Chalcone and Two Related Flavonoids Released from Alfalfa Roots Induce nod Genes of Rhizobium meliloti.[Pubmed:16667146]
Plant Physiol. 1989 Nov;91(3):842-7.
Flavonoid signals from alfalfa (Medicago sativa L.) induce transcription of nodulation (nod) genes in Rhizobium meliloti. Previous investigations identified the flavone luteolin as an active inducer in alfalfa seed extracts, but the nature of nod inducers released from roots has not been reported. Root exudate from 3-day-old alfalfa seedlings was purified and then assayed for biological activity with a nodABC-lacZ fusion in R. meliloti. Indentities of major nod inducers were established by spectroscopic analyses (ultraviolet/visible, proton nuclear magnetic resonance, and mass spectroscopy) and comparison with authentic standards. Major nod inducers, which were identified as 4',7-dihydroxyflavone, 4'-7-dihydroxyflavanone, and 4,4'-dihydroxy-2'-methoxychalcone, were released from seedling roots at 54, 22, and 20 picomole.plant(-1).day(-1), respectively. Luteolin was not found in these root exudates. The 4,4'-dihydroxy-2'-methoxychalcone induced nod genes at a concentration one order of magnitude lower than luteolin and is the first naturally released chalcone reported to have this function. Moderate and weak nod-inducing activity was associated, respectively, with 4',7-dihydroxyflavone and 4',7-dihydroxyflavanone.
