1-(3-ethoxy-4- methoxyphenyl)-2- (methylsulfonyl)ethanone

1-(3-ethoxy-4- methoxyphenyl)-2- (methylsulfonyl)ethanone product with CAS: 1450657-28-9 is also known as 1-(3-ethoxy-4- methoxyphenyl)-2- (methylsulfonyl)ethanone. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. It is used in Apremilast impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines. Moreover, 1-(3-ethoxy-4- methoxyphenyl)-2- (methylsulfonyl)ethanone is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.