Rhein99%98%90%50%30%
[Synonyms]:
[Herb source]: Rheum palmatum L,rhe root
[Structural formula]:
[Molecular Formula]: C15H8O6;
[Molecular Weight]: 284.21
[Physics Properties]:Yellow needle cystal,melting point 321-322 OC,decompose on 330 OC.hardly soluble in the water,soluble in the alkali etc,slightly soluble in the ethanol,benzene,chloroform,aether etc.
[Pharmacology function]: