Product Description 4-Ethynylpyridine Other Details Molecular Formula: C7H5N Molecular Weight: 103.12 CAS Number: 2510-22-7 Minimum Purity: 0.98 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days