Original Plant: Rheum palmatum L

Specification: 10-50%

Test Method: HPLC

MolecularFormula: C15H10O5

Molecular Weight: 270.23.

CAS No.: 518-82-1

Pharmacology Action:  SolubilityInsoluble in water Dissolve in alkali and pyridine, slightly dissolve in ethanol, benzene, chloroform, ether and petroleum ether.