Development of new spectrophotometric method for estimation of tenofovir disoproxil fumarate using MBTH reagent.
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Date
2015
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Abstract
A new simple, sensitive and specific procedure has been developed for determination of tenofovir disoproxil fumarate in bulk and pharmaceutical dosage forms using MBTH reagent. The purpose of this analytical validation procedure is to validate it by laboratory experiments to prove that the method meets the minimum standards for laboratory use. 3-methyl-2-bezothiazoline hydrazone reacts with the secondary amine group of tenofovir in the presence of oxidizing agent, ferric chloride. The resulting apple green coloured chromogen when measured spectrophotometrically in visible region (i.e., 400-800nm) shows a maximum absorbance at 626.5nm. This method can be successfully applied for the determination of drug content in pharmaceutical formulations. The results of analysis have been validated statistically.
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Keywords
3-methyl-2-benzothiazoline hydrazone, tenofovir disoproxil fumarate, spectrophotometric determination, ICH guidelines
Citation
Varsha Mannem Sri , Babu N Raghavendra, Padmavathi Yenumula, Kumar P Ravi. Development of new spectrophotometric method for estimation of tenofovir disoproxil fumarate using MBTH reagent. International Current Pharmaceutical Journal. 2015; 4(4): 378-381.