Product Description L-Threonine Other Details Molecular Formula: C4H9NO3 Molecular Weight: 119.12 CAS Number: 72-19-5 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days