Product Description Ebselen oxide Other Details Molecular Formula: C13H9NO2Se Molecular Weight: 290.18 CAS Number: 104473-83-8 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1mg Leadtime:20 Days Sizes 2: 5mg Leadtime:20 Days Sizes 3: 10mg Leadtime:20 Days