Ascleposide E | CAS:325686-49-5 | 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.

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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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Chemical constituents from a portion of ethanolicextract of Saussurea lappa roots.[Pubmed: 22803366]

To study chemical constituents from the roots of Saussurea lappa.
METHODS AND RESULTS:
Chemical constituents were separated and purified by various techniques such as silica gel column chromatography, Sephadex LH-20 and reversed phase RP-18 column chromatography. Their structures were identified on the basis of spectral data. Seventeen compounds were separated and identified as Ascleposide E(1), (+)-1-hydroxypinoresinol-4"-O-methyl ester-4'-beta-D-glucopyranoside (2), (+)-1 -hydroxypinoresinol-4"-O-beta-D-glucopyranoside(3), (+)-1-hydroxypinoresinol-1-O-P-D-glucopyranoside (4), phenyl-beta-D-glucopyranoside (5), benzyl-beta-D-glucopyranoside (6), n-butyl-beta-D-glucopyranoside (7), ilicic alcohol (8), beta-cyclocostunolide (9), reynosin (10), 11beta, 13-dihydroreynosin (11), arbusculin A(12), 1beta-hydroxy-arbusculin A (13), santamarin (14), dehydrocostuslactone (15), 11beta, 13-dihydro-3-epizaluzanin C(16)and costunolide (17).
CONCLUSIONS:
Compounds 1-2 were separated from this genus for the first time,and compounds 3,5-7 were separated from this plant for the first time.

Product Name	Ascleposide E
CAS No.:	325686-49-5
Catalog No.:	CFN98414
Molecular Formula:	C₁₉H₃₂O₈
Molecular Weight:	388.5 g/mol
Purity:	>=98%
Type of Compound:	Sesquiterpenoids
Physical Desc.:	Powder
Source:	The roots of Aucklandia lappa Decne
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Price: