Product Description S-Acetyl-PEG4-Propargyl Other Details Molecular Formula: C13H22O5S Molecular Weight: 290.38 CAS Number: 1422540-88-2 Minimum Purity: 0.95 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 50mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 0 Leadtime:0