8-MethoxykaempferolCAS# 571-74-4 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 571-74-4 | SDF | Download SDF |
| PubChem ID | 5281698 | Appearance | Yellow powder |
| Formula | C16H12O7 | M.Wt | 316.3 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 3,5,7-trihydroxy-2-(4-hydroxyphenyl)-8-methoxychromen-4-one | ||
| SMILES | COC1=C(C=C(C2=C1OC(=C(C2=O)O)C3=CC=C(C=C3)O)O)O | ||
| Standard InChIKey | AZFYHRHUTXBGJS-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 | Standard reference |
| Structure Identification | J Chromatogr A. 2009 Oct 23;1216(43):7241-8.Liquid chromatography-tandem mass spectrometry reveals the widespread occurrence of flavonoid glycosides in honey, and their potential as floral origin markers.[Pubmed: 19683245]
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8-Methoxykaempferol Dilution Calculator
8-Methoxykaempferol Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.1616 mL | 15.8078 mL | 31.6156 mL | 63.2311 mL | 79.0389 mL |
| 5 mM | 0.6323 mL | 3.1616 mL | 6.3231 mL | 12.6462 mL | 15.8078 mL |
| 10 mM | 0.3162 mL | 1.5808 mL | 3.1616 mL | 6.3231 mL | 7.9039 mL |
| 50 mM | 0.0632 mL | 0.3162 mL | 0.6323 mL | 1.2646 mL | 1.5808 mL |
| 100 mM | 0.0316 mL | 0.1581 mL | 0.3162 mL | 0.6323 mL | 0.7904 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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Liquid chromatography-tandem mass spectrometry reveals the widespread occurrence of flavonoid glycosides in honey, and their potential as floral origin markers.[Pubmed:19683245]
J Chromatogr A. 2009 Oct 23;1216(43):7241-8.
HPLC-MS-MS analysis of unifloral honey extracts has shown the occurrence of flavonoid glycosides in most of the analyzed samples. These compounds are not present in large amounts, but can reach up to 600 microg/100g honey in canola and rapeseed honeys. Rhamnosyl-hexosides (tentatively rutinosides and neohesperidosides) and dihexosides (hexosyl(1-->2)hexosides and hexosyl(1-->6)hexosides) of flavonols such as quercetin, kaempferol, isorhamnetin and 8-Methoxykaempferol, are the main flavonoid glycosides found in honey. However, flavonoid triglycosides and monoglycosides are also detected in some floral origins. Eucalyptus and orange blossom nectars were collected and analyzed showing that nectar flavonoid glucosides, as is the case of eucalyptus flavonoids, can be readily hydrolyzed by the bee saliva enzymes, while flavonoid rhamnosyl-glucosides, as is the case of citrus nectar flavonoids, are not hydrolyzed, and because of these reasons the flavonoid glycoside content of citrus honey is higher than that of eucalyptus honey that contains mainly aglycones. The flavonoid glycoside profiles detected in honeys suggest that this could be related to their floral origin and the results show that the HPLC-MSn ion trap analysis of flavonoid glycosides in honey is a promising analytical method to help in the objective determination of the floral origin of unifloral honeys.
