Angustin A | CAS:1415795-50-4 | 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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Two new xanthones from Swertia angustifolia.[Pubmed: 22296155 ]

METHODS AND RESULTS:
Two new xanthones, Angustin A and angustin B (1 and 2), were isolated from the aerial parts of Swertia angustifolia together with six known compounds (3-8).
CONCLUSIONS:
The structures of these two xanthones were elucidated by extensive analysis of the spectroscopic data. In addition, compounds 3 and 6-8 were isolated from this plant for the first time.

Product Name	Angustin A
CAS No.:	1415795-50-4
Catalog No.:	CFN89373
Molecular Formula:	C₁₆H₁₄O₇
Molecular Weight:	318.27 g/mol
Purity:	>=98%
Type of Compound:	Xanthones
Physical Desc.:	Powder
Source:	The aerial parts of Swertia angustifolia.
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
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