Product Description 5-Nitrothiophene-2-carboxaldehyde Other Details Molecular Formula: C5H3NO3S Molecular Weight: 157.15 CAS Number: 4521-33-9 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: 25g Leadtime:20 Days