Product Description Erlotinib Other Details Molecular Formula: C22H23N3O4 Molecular Weight: 393.44 CAS Number: 183321-74-6 Minimum Purity: >99% (HPLC), powder UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:20 Days Sizes 2: 100mg Leadtime:20 Days Sizes 3: 0 Leadtime:0