Validated stability-indicating HPLC method for the determination of Mesna in presence of its degradation products

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© The Author 2014. Published by Oxford University Press. A rapid and simple stability-indicating liquid chromatographic method was developed and validated for analysis of mesna in the presence of its degradation products in drug substance and drug products in a run time not >5 min. The separation was achieved on a RP amide C16 column at room temperature using methanol-phosphate buffer (10:90, v/v, pH 3.0) as mobile phase at a flow rate of 1 mL min-1 and UV detection at 210 nm. The detector response for mesna was linear over the selected concentration range from 50 to 1000 μg mL-1 with a correlation coefficient 0.9998. The limit of detection and the limit of quantitation were 7.5 and 22.7 μg mL-1, respectively. The solution was stable for at least 5 days. Baseline resolution between mesna and its degradation products was achieved. Diode array detection peak purity tests showed no peak interfered with mesna peak. Moreover, the method was successfully applied for the determination of mesna in two different commercially available drug products.

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