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Research Journal of Pharmacy and Technology
Year : 2019, Volume : 12, Issue : 4
First page : ( 1517) Last page : ( 1520)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2019.00251.8

Visible Extractive Spectrophotometric Estimation of Sofosbuvir in Bulk and in Pharmaceutical Formulations

Raju Nakka1,*, Reddy P. Raveendra1, Pathi P. Janaki2, Raju N. Appala3

1Department of Chemistry, Sri Krishnadevaraya University, Anantapur-515003

2Analytical Department, Vishnu Chemicals Limited, Jeedimetla, Hyderabad

3Department of Pharmaceutical Chemistry, Sultan-Ul-Uloom College of Pharmacy Mount Pleasant, Hyderabad-500 034

*Corresponding Author E-mail: nakkaraju.gpl@gmail.com

Online published on 8 August, 2019.


Two simple, accurate, rapid and sensitive methods (A and B) have been developed for the estimation of Sofosbuvir in pharmaceutical dosage form. The Method A is based on reaction of Sofosbuvir with ferric chloride and 1, 10-phenanthroline to form a blood red colored chromogen. The Method B is based on reaction of Sofosbuvir with ferric chloride and 2, 2′-bipyridyl to form a red colored ferroin complex measured at 520 nm, against reagent blank. These Methods exhibit maximum absorption at 510 nm and 520 nm respectively and obey the Beer's law in the concentration range of 10–140 μg/mL and. 5–50 μg/mL respectively. The Methods have been statistically evaluated and were found to be precise and accurate. The proposed methods are economical and sensitive for the estimation of Sofosbuvir in bulk drug and in its formulations.



UV-Visible Spectrophotometry, Sofosbuvir, Ferric chloride, 1, 10-Phenanthroline, and 2, 2’ bipyridyl.


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