Product name: Anastrozole Chemical Name: a, a, a, a-tetramethyl-5-(1H-1, 2, 4-triazol- 1-ylmethyl)-1, 3-benzene diacetonitrile Molecular formula: C17H19N5 Formula weight: 293.4 CAS No.: 120511-73-1 Specification: Test Item Specification Appearance : White or off-white crystalline powder Assay : 99.0% min Related Substance : 0.5% max Loss on Drying : 0.5% max Package: 0.5/1.0kg/tin, 5kg/drum, 25kg/drum August Jin sinospharma@263.net