Exemestane

We are offering exemestane (aromasin). Cas: 107868-30-4 purity: 99% appearance: white crystalline powder m.f.: c20h24o2 m.w: 296.4 specifications: appearance: white crystalline powder identification: positive assay (by hplc): 98.0%~102.0% absorbance: 465 ~ 495 melting point: 191oc ~195oc loss on drying: nmt 0.5% specific rotation: +288o ~ +298o residue on ignition: nmt 0.1% total impurities: nmt 1.5% any single impurity: nmt 0.5% residue solvents: nmt 0.2% heavy metals: nmt 20 ppm conforms with standard in-house for export.