Product Description HS-PEG4-CH2CH2COOH Other Details Molecular Formula: C11H22O6S Molecular Weight: 282.4 CAS Number: 749247-06-1 Minimum Purity: 0.97 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: 5g Leadtime:20 Days