Product Description 1-Butyne, 4-(methylsulfonyl)- Other Details Molecular Formula: C5H8O2S Molecular Weight: 132.18 CAS Number: 192989-95-0 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:65 Days Sizes 2: 1g Leadtime:65 Days Sizes 3: 5g Leadtime:65 Days