Displaying 2 results of Oxazepam Impurities Oxazepam is a prescription drug used to treat anxiety and insomnia. However, the drug may contain impurities, which are unwanted substances that can have harmful effects on the body. These impurities can arise during the manufacturing process or storage of the drug. Therefore, it is important to monitor and identify the impurities in oxazepam to ensure the safety and efficacy of the drug. Some of the known oxazepam impurities include 7-chloro-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one, 1-methyl-3-phenyl-5H-pyrazolo[4,3-c] [1,4]oxazepine, and 7-chloro-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one.