Development and Validation of a Specific Stability Indicating High Performance Liquid Chromatographic Methods for Related Compounds and Assay of Solifenacin Succinate

Table 5

Summary of recovery results.

Level	%Recovery range (related compounds method)			%Recovery range (assay method)
	impurity-A	impurity-B	impurity-C	Solifenacin
Level-1	97.87–100.0	100.0-101.0	102.55–104.08	99.6–100.4
Level-2	102.56–104.13	97.61–98.80	103.81–104.63	100.0–100.1
Level-3	99.50–101.42	100.80–104.92	102.59–105.31	100.0–100.2
Level-4	101.9–103.41	99.91–100.67	101.06–103.94