CAS No.: 1949-20-8 Molecular formula: C14H19N3O·C6H8O7 Molecular weight: 437.14 Appearance: white or off-white crystalline powder Assay: 98.0%-102.0% Any impurity: not more than 0.2% Total impurities: not more than 1.0% Packing: 25kgs/drum, packed with paper carton drums Prompt deliver