6-Hydroxy-1,2,3,7-tetramethoxyxanthone

6-Hydroxy-1,2,3,7-tetramethoxyxanthone
Product Name 6-Hydroxy-1,2,3,7-tetramethoxyxanthone
CAS No.: 64756-87-2
Catalog No.: CFN89282
Molecular Formula: C17H16O7
Molecular Weight: 332.30 g/mol
Purity: >=98%
Type of Compound: Xanthones
Physical Desc.: Powder
Source: The roots of Polygala sibirica L.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:
6-Hydroxy-1,2,3,7-tetramethoxyxanthone is a natural product from Polygala sibirica L.
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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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    Chin J Nat Med. 2014 Mar;12(3):225-8.
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    To investigate the chemical constituents of the roots of Polygala sibirica L. (Polygalaceae)
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    The isolation was performed by solvent extraction and various chromatographic techniques, including silica gel, Sephadex LH-20, ODS, semi-preparative HPLC, and preparative TLC. The chemical structures were elucidated based on extensive spectroscopic analysis, including HR-ESI-MS and 1D- and 2D-NMR spectroscopic data. A total of sixteen compounds, including five xanthones (5, 7-10), five saccharide esters (1, 3, 4, 12, 13), two flavonoids (14, 16), two triterpenoids (11, 15), one phenylpropanoid (6), and one benzophenone glycoside (2) were isolated. Their structures were determined as sibiricose A7 (1), sibiriphenone A (2), polygalatenoside A (3), polygalatenoside C (4), lancerin (5), 3, 4, 5-trimethoxycinnamic acid (6), 6-Hydroxy-1,2,3,7-tetramethoxyxanthone (7), 1, 3, 7-trihydroxy-2-methoxyxanthone (8), onjixanthone II (9), 1, 2, 3, 6, 7-pentamethoxyxanthone (10), presenegenin (11), 3'-O-3, 4, 5-trimethoxycinnamoyl-6-O-4-methoxy benzoyl sucrose (12), tenuifoliside C (13), 5, 3'-dihydroxy-7, 4'-dimethoxyflavonol-3-O-β-D-glucopyranoside (14), tenuifolin (15), and rhamnetin 3-O-β-D-glucopyranoside (16).
    CONCLUSIONS:
    Compounds 1 and 2 are two new compounds from P. sibirica.
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