Product Name: Oxymatrine Botanical source: Sophora flavescens Ait£® CAS NO: 16837-52-8 Molecular formula: C15H24N2O2 Molecular weight: 264.36 Melting point range: 208¡æ Appearance: white dice form crystal Odor: slightly amber aroma. Solubility: Soluble in water Specification: Oxymatrine >98% Sieve analysis: 100% through 80 mesh Residual Solvents: Eur.Pharm. Heavy metals: