Ketoconazole Impurity 23 is provided by Chemicea Pharmaceuticals Pvt. Ltd. as a pharmaceutical impurity reference standard intended exclusively for research and analytical use. The material supports laboratories engaged in impurity evaluation, reference comparison and routine analytical activities. It is suitable for use in quality related studies where consistent identification of impurities is required. The product is manufactured under controlled conditions and supplied with appropriate documentation to support traceability and research suitability. Ketoconazole Impurity 23 is not intended for human or animal use and is offered solely for non clinical laboratory applications in regulated research environments.