4'-Methoxyflavanone | CAS:97005-76-0 | Manufacturer ChemFaces

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

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Evaluation of novel amylose and cellulose-based chiral stationary phases for the stereoisomer separation of flavanones by means of nano-liquid chromatography.[Reference: WebLink]

Three polysaccharide-based chiral stationary phases, Sepapak® 1, Sepapak® 2 and Sepapak® 3 have been evaluated in the present work for the stereoisomer separation of a group of 12 flavonoids including flavanones (flavanone, 4'-Methoxyflavanone, 6-methoxyflavanone, 7-methoxyflavanone, 2′-hydroxyflavanone, 4′-hydroxyflavanone, 6-hydroxyflavanone, 7-hydroxyflavanone, hesperetin, naringenin) and flavanone glycosides (hesperidin, naringin) by nano-liquid chromatography (nano-LC).
METHODS AND RESULTS:
The behaviour of these chiral stationary phases (CSPs) towards the selected compounds was studied in capillary columns (100 μm internal diameter (i.d.)) packed with the above mentioned CSPs using polar organic, reversed and normal elution modes. The influence of nature and composition of the mobile phase in terms of concentration and type of organic modifier, buffer type and water content (reversed phase elution mode) on the enantioresolution (Rs), retention factor (k) and enantioselectivity (α) was evaluated. Sepapak® 3 showed the best chromatographic results in terms of enantioresolution, enantioselectivity and short analysis time, employing a polar organic phase mode. A mixture of methanol/isopropanol (20/80, v/v) as mobile phase enabled the chiral separation of eight flavanones with enantioresolution factor (Rs) in the range 1.15–4.18. The same analytes were also resolved employing reversed and normal phase modes with mixtures of methanol/water and hexane/ethanol at different ratios as mobile phases, respectively. Loss in resolution for some compounds, broaden peaks and longer analysis times were observed with these last two chromatographic elution modes.

Product Name	4'-Methoxyflavanone
CAS No.:	97005-76-0
Catalog No.:	CFN70492
Molecular Formula:	C₁₆H₁₄O₃
Molecular Weight:	254.3 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The aerial parts of Lawsonia inermis.
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: