2-Chlorophenothiazine sulfoxide

2-Chlorophenothiazine sulfoxide product with CAS: 1927-43-1 is also known as 2-chloro-10H-phenothiazine 5-oxide. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. 2-Chlorophenothiazine sulfoxide is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Chlorpromazine and its related formulations. Moreover, 2-chloro-10H-phenothiazine 5-oxide is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.