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Hexamethylquercetagetin

CAS# 1251-84-9

Hexamethylquercetagetin

2D Structure

Catalog No. BCN8578----Order now to get a substantial discount!

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Quality Control of Hexamethylquercetagetin

3D structure

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Hexamethylquercetagetin

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Chemical Properties of Hexamethylquercetagetin

Cas No. 1251-84-9 SDF Download SDF
PubChem ID 386331 Appearance Powder
Formula C21H22O8 M.Wt 402.39
Type of Compound Flavonoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 2-(3,4-dimethoxyphenyl)-3,5,6,7-tetramethoxychromen-4-one
SMILES COC1=C(C=C(C=C1)C2=C(C(=O)C3=C(C(=C(C=C3O2)OC)OC)OC)OC)OC
Standard InChIKey CHXSDKWBSFDZEU-UHFFFAOYSA-N
Standard InChI InChI=1S/C21H22O8/c1-23-12-8-7-11(9-13(12)24-2)18-21(28-6)17(22)16-14(29-18)10-15(25-3)19(26-4)20(16)27-5/h7-10H,1-6H3
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.
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.
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.

Source of Hexamethylquercetagetin

The peels of Citrus nobilis Lour.

Protocol of Hexamethylquercetagetin

Structure Identification
Biomed Chromatogr. 2007 Jan;21(1):48-54.

Determination of polymethoxylated flavones in peels of selected Jamaican and Mexican citrus (Citrus spp.) cultivars by high-performance liquid chromatography.[Pubmed: 17080505 ]

The concentrations of the polymethoxylated flavones (PMFs) in peels of selected citrus cultivars grown in Jamaica and Mexico were determined. The PMFs were extracted from sun-dried citrus peels with reagent-grade methanol.
METHODS AND RESULTS:
Analyses were carried out by reverse-phase HPLC and UV detection. The column used was a C(18) 5 microm (150 x 4.6 mm) Discovery column. Elution was in the gradient mode, using a ternary mobile phase. The results showed that all the citrus cultivars used contained at least three of the six major PMFs quantified. Ortanique peel contained the highest quantity of PMFs (34,393 +/- 272 ppm), followed by tangerine (28,389 +/- 343 ppm) and Mexican sweet orange (sample 1; 21,627 +/- 494 ppm). The major PMFs, i.e. sinensetin, nobiletin, tangeretin, heptamethoxyflavone, tetramethylscutellarein and hexamethyl-o-quercetagetin(Hexamethylquercetagetin ), present in the peels of 20 citrus cultivars, was quantified.
CONCLUSIONS:
The results were compared with those of Florida citrus peels. A large amount of citrus peels and byproducts are produced in the Caribbean which could provide a cheap and convenient source of PMFs.

Hexamethylquercetagetin Dilution Calculator

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Preparing Stock Solutions of Hexamethylquercetagetin

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.4852 mL 12.4258 mL 24.8515 mL 49.703 mL 62.1288 mL
5 mM 0.497 mL 2.4852 mL 4.9703 mL 9.9406 mL 12.4258 mL
10 mM 0.2485 mL 1.2426 mL 2.4852 mL 4.9703 mL 6.2129 mL
50 mM 0.0497 mL 0.2485 mL 0.497 mL 0.9941 mL 1.2426 mL
100 mM 0.0249 mL 0.1243 mL 0.2485 mL 0.497 mL 0.6213 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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References on Hexamethylquercetagetin

Determination of polymethoxylated flavones in peels of selected Jamaican and Mexican citrus (Citrus spp.) cultivars by high-performance liquid chromatography.[Pubmed:17080505]

Biomed Chromatogr. 2007 Jan;21(1):48-54.

The concentrations of the polymethoxylated flavones (PMFs) in peels of selected citrus cultivars grown in Jamaica and Mexico were determined. The PMFs were extracted from sun-dried citrus peels with reagent-grade methanol. Analyses were carried out by reverse-phase HPLC and UV detection. The column used was a C(18) 5 microm (150 x 4.6 mm) Discovery column. Elution was in the gradient mode, using a ternary mobile phase. The results showed that all the citrus cultivars used contained at least three of the six major PMFs quantified. Ortanique peel contained the highest quantity of PMFs (34,393 +/- 272 ppm), followed by tangerine (28,389 +/- 343 ppm) and Mexican sweet orange (sample 1; 21,627 +/- 494 ppm). The major PMFs, i.e. sinensetin, nobiletin, tangeretin, heptamethoxyflavone, tetramethylscutellarein and hexamethyl-o-quercetagetin, present in the peels of 20 citrus cultivars, was quantified. The results were compared with those of Florida citrus peels. A large amount of citrus peels and byproducts are produced in the Caribbean which could provide a cheap and convenient source of PMFs.

Description

Hexamethylquercetagetin is a polymethoxylated flavone in peels of citrus cultivars.

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