Simultaneous quantitative estimation of Telmisartan and Hydrochlorothiazide in bulk and marketed tablet formulation by HPTLC-a Stability indicating method

Abstract

A stability indicating HPTLC method is proposed for the simultaneous estimation of telmisartan and hydrochlorothiazide in bulk and tablet formulation. Well resolved chromatogram was obtained on TLC plates coated with silica gel 60F254 with densitometric detection at 233 nm. Two drugs were satisfactorily resolved with Rf 0.21± 0.02 and 0.53± 0.02 for Telmisartan and Hydrochlorothiazide respectively. Linearity was found in the range of 0.18-5.76 µg / band (r2 = 0.999) for telmisartan and 0.056-1.6 µg/ band (r2 = 0.999) for Hydrochlorothiazide. The % recovery for analytes were in the range of 98.5-101.6 % w/w. Drugs were subjected to stress conditions like acid, base, neutral hydrolysis, oxidative, photolytic and thermal stress. Hydrochlorothiazide was found to be more prone to degradation than telmisartan. Both drugs were oxidised fast as compared under other stress conditions. Peak purity has indicated no interference from numerous degradation products formed with the analysis of drugs.

Authors and Affiliations

Vrushali Tambe, Meenakshi Deodhar, Vijayalakshmi Prakya

Keywords

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  • EP ID EP310645
  • DOI 10.18231/2394-2797.2017.0020
  • Views 82
  • Downloads 0

How To Cite

Vrushali Tambe, Meenakshi Deodhar, Vijayalakshmi Prakya (2017). Simultaneous quantitative estimation of Telmisartan and Hydrochlorothiazide in bulk and marketed tablet formulation by HPTLC-a Stability indicating method. International Journal of Pharmaceutical Chemistry and Analysis, 4(3), 88-97. https://europub.co.uk/articles/-A-310645