Product Description 1H-Pyrazole-4-carbaldehyde Other Details Molecular Formula: C4H4N2O Molecular Weight: 96.09 CAS Number: 35344-95-7 Minimum Purity: 0.97 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: 10g Leadtime:20 Days