The eco-friendly high-performance thin-layer chromatographic (HPTLC) approaches for measuring cinnarizine (CIN) are scant in reported databases. As a result, the current work has developed and validated an eco-friendly HPTLC technique for assessing CIN in commercial formulations. The proposed approach was based the use of ethyl alcohol-water (90:10 v/v) as the eco-friendly mobile phase. A wavelength of 197 nm was used to detect CIN. The greenness score of the current approach was measured using the Analytical GREENness (AGREE) approach. The current approach was linear for CIN measurement in 50–800 ng band−1 range. The current approach for CIN measurement was validated successfully using ICH guidelines and was found to be linear, accurate (% recovery = 99.07–101.29%), precise (% CV = 0.80–0.95%), robust, sensitive (LOD = 16.81 ng band−1 and LOQ = 50.43 ng band−1), specific, selective, stability-indicating, and eco-friendly. The AGREE score for the current approach was calculated to be 0.80, showing an excellent greenness characteristic of the present approach. Under forced degradation conditions, the current approach was successful in separating the CIN degradation product, demonstrating the stability-indicating qualities/selectivity of the present approach. The % assay of CIN in commercial tablet brands A and B was found to be 98.64 and 101.22%, respectively, suggesting the reliability of the present approach in the pharmaceutical analysis of CIN in commercial dosage forms. The obtained findings indicated that CIN in commercial formulations could be routinely determined using the current approach.
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