Imatinib Bis Impurity with CAS No: 1365802-18-1 is an impurity standard of Ibuprofen. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to relieve pain, reduce inflammation and lower fever.Ibuprofen is available over-the-counter (OTC) and in prescription forms at higher doses. Ibuprofen works by inhibiting enzymes in the body (COX-1 and COX-2) that are involved in the production of prostaglandins which are chemicals that contribute to pain, inflammation and fever. Buy high quality Imatinib Bis Impurity from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Imatinib Bis Impurity