Product Description DL-Theanine Other Details Molecular Formula: C7H14N2O3 Molecular Weight: 174.2 CAS Number: 34271-54-0 Minimum Purity: 98% (HPLC) 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: 250mg Leadtime:20 Days