Product Name: Entecavir CAS NO: 142217-69-4 Molecular formular: C12H15N5O3 Molecular weight: 277.28 Appearance: White to off white powder purity: e99% Storage: To be stored in a dry light-protected place at a temperature not exceeding 30 º c. Solubility: Freely soluble in dimethyl sulfoxide, slightly soluble in water and methanol, insoluble in acetion, in chloroform. Melting range: + 24.0~ + 28.0 Application: Entecavir is an antiviral medication, used to treat chronic hepatitis B. Min. Order: 10 Grams