Product Description 2-Chloro-9H-purine Other Details Molecular Formula: C5H3ClN4 Molecular Weight: 154.56 CAS Number: 1681-15-8 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 1g Leadtime:50 Days