DOI: 10.21276/ajptr
Thu, 23 May 2019

Method Development and Validation for the Simultaneous Estimation of Propranolol Hydrochloride and Etizolam by Reverse Phase High Performance Liquid Chromatography

Devi Swapna P V*1, Paramita Das1, S H.Chetan1, Jitender Reddy1

1. Dept. of Pharmaceutical Analysis,Srinivas College of Pharmacy,Mangalore, India


RP-HPLC method has been developed for the quantitative estimation of Propranolol hydrochloride and Etizolam using C 18 column and a mobile phase consisting of Methanol and Water in the ratio 70:30. The mobile phase was pumped at a rate of 1ml/min and detection was carried out at 281.5 nm(iso-absorptive point). The linearity was found to be in range of 5-50µg/ml and 0.5-5µg/ml with regression coefficient (r2=0.999, and r2=0.997) for Propranolol hydrochloride and Etizolam respectively. The peaks obtained were sharp having baseline separation with a retention time of 2.35and 6.57min for Propranolol hydrochloride and Etizolam respectively.The LOD was found to be at the concentration of0.1µg/ml and 0.025µg/ml for Propranolol hydrochloride and Etizolam respectively. The percentage recovery was found to be 98.5% to 100.58% for Propranololhydrochloride and 95% to 106.6% for Etizolam. The method was validated statistically.

Keywords: Propranolol hydrochloride, Etizolam,  RP-HPLC.

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