Molecular Weight : 284.225 CAS No.: 478-43-3 Botanical Source: Rheum palmatum L. Melting Point: 321oC(310oC) Appearance: Yellow needles (MeOH) Solubility: Sol. bases; fairly sol. MeOH, Et2O; poorly sol. H2O, hexane, acids Purity: > 98% by HPLC Pack Size: 50mg, 100mg, 1g, 10g.... Package and quantity according to customer's detail requirement.
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