Place of Origin : Beijing,China

Item Specification Result
Characters
Appearance White or almost white, crystalline powder White crystalline powder
Solubility Test Free soluble in methanol, soluble in ethanol,sparingly soluble in acetone, acetonitrile and chloroform and very slightly soluble in water. Complies
Identification
UV The UV absorption of 0.001% solution in HCl exhibits a max at about 222nm and 283nm. Complies
HPLC Should be concordant to the retention time of working standard. Complies
Tests
Melting Po