Product name: diacerein    
Plant origin: native to north region of Africa; spread tothe West Indies; cultivated in China
Effective constituent: diacerein    
Product specification: 98%
Testing method: HPLC
Appearance: orange-yellow powder
Smell character: special smell
CAS No.:13739-02-1
Molecular weight: 368.29
Molecular formula: C₁₉H₁₂O₈
Structural formula:  

Function and uses: New type inhibitor of interleukin (IL)-1; having effect of pain relieve, anti-inflammatory and heat cleaning;
Solubility: easily soluble in dimethyl sulfoxide, dimethylacetamide; hardly soluble in water, methyl alcohol and chloroform

Above information has not been approved by State Food and Drug Administration yet. From published document and for reference only