Product Description 5-Ethylthiophene-3-carbohydrazide Other Details Molecular Formula: C7H10N2OS Molecular Weight: 170.23 CAS Number: 438225-57-1 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 500mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days