https://www.selleckchem.com/pr....oducts/voruciclib.ht
Phenformin was detected in two kinds of health products while metformin was identified in one kind of health food. The result of HPLC was consist with TLC-IR. The established TLC-IR method was simple, rapid and selective, which was suit to apply in the identification of metformin illegally added in hypoglycemic traditional Chinese medicine and health food products.In this study simple, effective, fast and economic reverse-phase HPLC methods have been developed for the purposes of identifying impurities and quantities of the two activ