4-Hydroxy-1-(3-pyridyl)-1-butanone (3,3,4,4-D4) is a chemical compound registered under CAS number 359435-75-9, with the molecular formula C9H7D4NO2 and a molecular weight of about 169.21 g/mol. It is also known as HPB-D4. NewsChem supplies 4-Hydroxy-1-(3-pyridyl)-1-butanone (3,3,4,4-D4) for laboratory research and bulk production; product code 314585. Send an inquiry for purity, packaging, price and lead time.