Paracetamol EP Impurity B with CAS No: 1693-37-4 is an impurity standard of Paracetamol. Paracetamol is also known as acetaminophen in the United States and Canada, is a widely used over-the-counter (OTC) medication commonly used to relieve pain and reduce fever. Paracetamol is one of the most commonly used pain relievers and fever reducers worldwide.Paracetamol is available in various forms, including tablets, capsules, liquid suspensions and as an ingredient in combination medications. Buy high quality Paracetamol EP Impurity B from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Paracetamol EP Impurity B