Atenolol EP Impurity E with CAS No: 141650-31-9 is an impurity standard of Atenolol. Atenolol is Medication for high blood pressure and heart conditions. Beta-blocker reducing heart rate and pressure.Atenolol for angina and heart rhythm disorders. Buy high quality Atenolol EP Impurity E from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Atenolol EP Impurity E