CAS#: 108-26-9 Product Name: 3-methyl pyrazole-5-one Molecular Formula: C4H5N2O Molecular Weight: 97.10 Structural Formula: Appearance: similar to white crystalline powder Assay: 99.0% M.P.: 228℃-230℃ Moisture: ≤0.5% Packing: 25KG/carboard drum