Rhein 90% 95% 98%

Herb source: Rheum palmatum L,rhe root
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 alkalietc,slightly soluble in the ethanol,benzene,chloroform,aether etc.



Emodin 90% 95% 98%

Synonyms:Anthraquinone, 1,3,8-trihydroxy-6-methyl- (8CI); 1,3,8-Trihydroxy-6-methyl-9,10-anthraquinone; 1,3,8-Trihydroxy-6-methylanthraquinone; 1,6,8-Trihydroxy-3-methylanthraquinone; 3-Methyl-1,6,8-trihydroxyanthraquinone; 4,5,7-Trihydroxy-2-methylanthraquinone; Archin; Emodin; Emodol; Frangula emodin; Frangulic acid; NSC 408120; NSC 622947; Rheum emodin; Schuttgelb
Herb source: Rheum palmatum L,rhe root
Structural formula:
Molecular Formula: C15H10O5;
Molecular Weight: 270.23
Physics Properties:orange needle crystal ,melting point 256-257℃.no soluble in the water ,soluble in the ethanol ,slightly aether,chloroform,benzene .
Pharmacology function: regarded as a derivative of anthraquinone; so called from a species of rhubarb (Rheum emodei). It is used as a laxative.