A simple and rapid Supercritical Fluid Chromatography (SFC)
Method has been developed to isolate and characterize the S-Isomer of Montelukast
by using normal phase Amylose based AS-H with
 L. Liu, H. Cheng, J. J. Zhao and J. D. Rogers, “Determination of Montelukast (MK-0476) and S-Enatiomer in Human Plasma by Stereoselective High Performance Liquid Chromatography with Column Switching,” Journal of Pharmaceutical and Biomedical Analysis, Vol. 15, No. 5, 1997, pp. 631-638. [Pub Med] doi:10.1016/S0731-7085(96)01894-8
 B. Chauhan, S. Rani, M. Nivsarkar and H. Padh, “New Liquid-Liquid Extraction Method for Determination for Montelukast in Small Volume Human Plasma Samples Using HPLC with Fluorescence Detector,” Indian Journal of Pharmaceutical Science, Vol. 68, No. 4, 2006, pp. 517-520. doi:10.4103/0250-474X.27834
 N. M. Maier, P. Franco and W. Lindner, “Separation of Enan-tiomers: Needs Challenges, Perspectives,” Journal of Chromatography A, Vol. 906, No. 1-2, 2001, pp. 3-33. doi:10.1016/S0021-9673(00)00532-X
 V. Choudari, et al., “Simultaneous Determination of Montelukast Sodium and Levocitrazine Dihydrochloride in Pharmaceutical Preparations by Ratio Derivative Spectroscopy,” International Journal of PharmTech Research, Vol. 2, No. 1, 2010, p. 4.
 P. Rad-hakrishnan, D. V. Subbarao, K. V. Surendranath, D. Subrah-manyam and V. Himabindu, “A Validated LC Method for Determination of the Enantiomeric Purity of Montelukast Sodium in Bulk Drug Samples and Pharma- ceutical Dosage Forms,” Chromatographia, Vol. 68, No. 3-4, 2008, pp. 263-267.