Entecavir monohydrate 209216-23-9

Entecavir monohydrate 1. Cas 209216-23-9 2. Density 1.81 3.AssayNLT99.8% Test ItemCriterion PrescribeAppearanceWhite to off-white powderOptical rotation+24.0-+28.0°(DMF: MeOH=1:1 c=1%)IdentificationA: By IR, To match with working standardB: By HPLC, retain time should match with working standardWater5.8%-6.5%IsomerSingle≤ 0.1%Total≤ 0.5%Related SubstancesSingle impurity ≤ 0.1%Total impurity ≤ 0.3%Residue on ignition≤ 0.1%Heavy metals≤ 20ppmResidual solventsShould be to match with the standardAssay≥99.8%