4-Hydroxyphenylbutazone (Standard)

4-Hydroxyphenylbutazone (Standard) is the analytical standard of 4-Hydroxyphenylbutazone. This product is intended for research and analytical applications. 4-Hydroxyphenylbutazone is a metabolite of Phenylbutazone. Phenylbutazone, a nonsteroidal anti-inflammatory agent (NSAID), is an efficient reducing cofactor for the peroxidase activity of prostaglandin H synthase (PHS).