Product Description Caffeine-trimethyl-13C3 Other Details Molecular Formula: C8H10N4O2 Molecular Weight: 197.17 CAS Number: 78072-66-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1mg Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0