Product Description O-Desmethyl gefitinib Other Details Molecular Formula: C21H22ClFN4O3 Molecular Weight: 432.88 CAS Number: 847949-49-9 Minimum Purity: 0.98 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: 0 Leadtime:0