Product Description Spiro-TAD Other Details Molecular Formula: C73H52N4 Molecular Weight: 985.22 CAS Number: 189363-47-1 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 0 Leadtime:0