Development and Validation of an HPLC Method for Determination of Antidiabetic Drug Alogliptin Benzoate in Bulk and Tablets

Table 6

Solutions stability data of the proposed HPLC method.

Parameter		RT	Avg. peak area	RSD peak area (%)	Tailing factor	Recovered (%)	Number of theoretical plates
Standard solution	0 h	4.034	3022.7	0.07	1.5	—	8058
	After 24 h at 30°C	4.035	3021.7	0.2	1.6	100.0	8143
	After 24 h at refrigerator	4.049	2983.7	0.08	1.5	98.7	8137
Sample solution	0 h	4.034	2995.7	0.07	1.5	—	8142
	After 24 h at 30°C	4.035	3001.3	0.3	1.5	100.2	8179
	After 24 h at refrigerator	4.036	3000.0	0.2	1.6	100.1	8188