Stability of Rosuvastatin and Ezetimibe

Solution stability				Mobile phase stability
Time (hours)	*Assay (%)		Mean ± SD (% RSD)	Retention time (min)		Mean ± SD (% RSD)
Time (hours)	RST	EZT	Mean ± SD (% RSD)	RST	EZT	Mean ± SD (% RSD)
Initial	98.71	96.19	Rosuvastatin 98.70 ± 0.0147 (0.0149)	3.542	4.628	Rosuvastatin 3.542 ± 0.0031 (0.0875)
6	98.72	96.17		3.540	4.624
12	98.69	96.20		3.543	4.625
18	98.70	96.18	Ezetimibe 96.19 ± 0.0147 (0.0153)	3.538	4.618	Ezetimibe 4.624 ± 0.0039 (0.0843)
24	98.71	96.18		3.541	4.627
48	98.68	96.21		3.547	4.620

*Mean of three replicates

Table 6: Analysis of Solution Stability and Mobile Phase Stability of Rosuvastatin and Ezetimibe.

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