Product Description Gefitinib Impurity 4 Other Details Molecular Formula: C9H8N2O3 Molecular Weight: 192.17 CAS Number: 179688-52-9 Minimum Purity: 98% (HPLC), powder UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0