CAS No.: 478-43-3 EINECS: 207-521-4
Molecular Formula: C15H8O6 Molecular Weight: 284.22
Molecular Structure:

Property:
Rhein is yellow needle crystals with MP: 321~322℃and Decomposition Point : 330℃.
Rhein is insoluble in water, dissolve in basic solution and pyridine and micro-soluble in ethanol, chloroform, ether, petroleum etherand benzene.
Specification:
| Item |
Index |
| Description |
Slightly yellowish crystalline powder |
| Heary Metals |
≤10ppm |
| Residue on lgnition |
≤0.1% |
| Loss on Drying |
≤0.2% |
| Assay |
≥98% |
Usage:
Rhein is used in health food and medicament.
Rhein has functinos as antitumor activity, antibacterial activity, immunosuppression, Diuresis, purgative activity and antiinflammatory action.
Package:
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