Product Description Tofacitinib citrate Other Details Molecular Formula: C22H28N6O8 Molecular Weight: 504.49 CAS Number: 540737-29-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0