Rhein 90% 95% 98% 99%CAS No. 478-43-3 [Herb source]: Rheum palmatum L,rhe root [Molecular Formula]: C15H8O6; [Molecular Weight]: 284.21 [Physics Pro…
Rhein 90% 95% 98% 99%CAS No. 478-43-3 [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 alkali etc,slightly soluble in the ethanol,benzene,chloroform,aether etc.
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