Rhein( 98% )

Quantity Order:

Origin:

China

Payment Method:

Telegraphic Transfer (T/T)

Rhein( 98% )
Synonyms: 4, 5-Dihydroxyanthraquinone-2-carboxylic acid; 1, 8-Dihydroxy-3-carboxyanthraquinone; 9, 10-Dihydro-4, 5-dihydroxy-9, 10-dioxo-2-anthracenecarboxylic acid; Rhubarb yellow; Cassic acid
CAS NO.: 478-43-3
EINECS: 207-521-4
Molecular Formula: C15H8O6 Molecular Weight: 284.22
Molecular Structure:

Property:
Rhein is Yellow needle crystals. MP: 321^ 322  decomposition point : 330 . Rhein is insoluble in water, dissolve in basic solution and pyridine micro-soluble in ethanol, chloroform, ether, petroleum etherand benzene.

Specifications:
Item Index
Description Slightly yellowish crystalline powder
Heary metals d10ppm
Residue on lgnition d0.1%
Loss on drying d0.2%
Assay e98%

Usage:
Rhein is used in health food and medicament. Rhein has functinos as antitumor activity, antibacterial activity, immunosuppression, Diuresis, purgative activity, antiinflammatory action.

Packing:
20mg/ each.

Key words:
Rhein, 4, 5-Dihydroxyanthraquinone-2-carboxylic acid; 1, 8-Dihydroxy-3-carboxyanthraquinone; 9, 10-Dihydro-4, 5-dihydroxy-9, 10-dioxo-2-anthracenecarboxylic acid; Rhubarb yellow; Cassic acid

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