Scabertopin | CAS:185213-52-9 | Manufacturer ChemFaces

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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.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

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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Antitumor activities of the four sesquiterpene lactones from Elephantopus scaber L.[Pubmed: 16837899]

To evaluate antitumor activity of sesquiterpene lactones (Scabertopin (ES-2), isoScabertopin (ES-3), deoxyelephantopin (ES-4), isodeoxyelephantopin (ES-5)) isolated from Elephantopus scaber L. in vitro and in vivo.
METHODS AND RESULTS:
SMMC-7721, Caco-2 and HeLa cell lines were treated with ES-2,3,4,5. Cell viability was determined by MTT assay. Agarose gel electrophoresis was used to detect DNA fragmentation. To evaluate in vivo antitumor activity of ES-4, experimental murine tumor model was used.
CONCLUSIONS:
It was shown that Scabertopin, ES-4, ES-5 exhibited significant antitumor effect in vitro in a concentration-dependent manner.

Product Name	Scabertopin
CAS No.:	185213-52-9
Catalog No.:	CFN97798
Molecular Formula:	C₂₀H₂₂O₆
Molecular Weight:	358.39 g/mol
Purity:	>=98%
Type of Compound:	Sesquiterpenoids
Physical Desc.:	Powder
Source:	The herbs of Elephantopus scaber Linn.
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:	$368/20mg