1-Methylxanthine (Standard)
1-Methylxanthine (Standard) is the analytical standard of 1-Methylxanthine. This product is intended for research and analytical applications. 1-Methylxanthine, a caffeine derivative, is an essential human urinary metabolite of caffeine and theophylline (1,3-dimethylxanthine, TP). 1-Methylxanthine enhances the radiosensitivity of tumor cells.