Product Description Cyclo(-Ser-Tyr) Other Details Molecular Formula: C12H14N2O4 Molecular Weight: 250.25 CAS Number: 21754-31-4 Minimum Purity: 0.99 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 250mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days