Product Description 4,13-Diaza-18-crown 6-Ether Other Details Molecular Formula: C12H26N2O4 Molecular Weight: 262.35 CAS Number: 23978-55-4 Minimum Purity: 0.95 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