Product Description 2-Chloro-4-ethynylpyridine Other Details Molecular Formula: C7H4ClN Molecular Weight: 137.57 CAS Number: 945717-09-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 250mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days