Apixaban Carboxylic Acid with CAS No: 503614-92-4 is an impurity standard of Apixaban. Apixaban is an Anticoagulant to prevent blood clots and strokes. Apixaban for atrial fibrillation and venous thromboembolism.Apixaban works by inhibiting a protein called factor Xa, which plays a crucial role in the blood clotting process. Buy high quality Apixaban Carboxylic Acid from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Apixaban Carboxylic Acid