Dorzolamide EP Impurity B CAS 120279-37-0 is provided by Chemicea Pharmaceuticals Pvt. Ltd. for research-only and analytical reference purposes. This material is intended to support laboratory work involving impurities identification, method development and quality evaluation. It is suitable for use as a reference standard in controlled research environments where consistency and documentation are required. The product is supplied with appropriate documentation to assist researchers in maintaining traceability and compliance during analytical activities. Dorzolamide EP Impurity B is not intended for therapeutic or clinical use and should be handled exclusively within research settings focused on impurity profiling and analytical validation work.