Ecdysterone 2,3:20,22-diacetonide

Ecdysterone 2,3:20,22-diacetonide
Product Name Ecdysterone 2,3:20,22-diacetonide
CAS No.: 22798-98-7
Catalog No.: CFN98230
Molecular Formula: C33H52O7
Molecular Weight: 560.8 g/mol
Purity: >=98%
Type of Compound: Steroids
Physical Desc.: Cryst.
Source: The roots of Cyanotis arachnoidea C. B. Clarke
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:
Due to the multi-drug resistance reversal activity of the less polar ecdysteroids, several new products( including 20-hydroxyecdysone,20-hydroxyecdysone 2,3;20,22-diacetonide) are promising for being tested against various cancer cell lines.
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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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    METHODS AND RESULTS:
    20-hydroxyecdysone (20E), the most common ecdysteroid in Nature, and the easily obtained derivative 20-hydroxyecdysone 2,3;20,22-diacetonide (20ED), at different concentrations, were exposed to a 266 nm laser beam at an energy level of 6.5 mJ for different periods of time and evaluated for fluorescence emission during the process of irradiation. The products of irradiation were scanned from 200 to 1500 nm and then subjected to one-dimensional and two-dimensional thin layer chromatography. During irradiation, progressive significant changes in the fluorescence emission spectra were noted for both compounds with time that were accompanied by changes in their UV-Vis spectra. Full conversion of both compounds was reached within 14 minutes, and both compounds yielded several major products and several minor ones representing a wide polarity range.
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