10.22376/ijpbs.2019.10.1.p1-12 Volume 2 Issue 3 2011 (July - September) The objective is to study novel synthetic approaches for the synthesis of leukotriene receptor antagonist, Montelukast sodium. The current study also deals with synthesis and characterization of impurities of Montelukast sodium. Chandra Sekhar Bvvn,Ramesh Kumar N,Kalyan Chakravarthy Aa And Mukkanti K Montelukast sodium, leukotriene receptor antagonist, synthetic approach 399-407