1H-Pyrazole-3,5-diol is a chemical compound registered under CAS number 31470-08-3, with the molecular formula C3H4N2O2 and a molecular weight of about 100.08 g/mol. It is also known as 3-Hydroxy-3-pyrazolin-5-one. NewsChem supplies 1H-Pyrazole-3,5-diol for laboratory research and bulk production; product code 1159272. Send an inquiry for purity, packaging, price and lead time.