| Abstract |
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Clarithromycin belongs to semi-synthetic macrolide antibiotic class of drugs that inhibits bacterial protein synthesis.. Our aim of study is to develop a efficient least time consuming and simple spectrophotometric method for the assay of clarithromycin. Comparision of assay of five different brands of clarithromycin (klaricid,klaribact,rithmo,clariteck,E-clark) available in public medical store of Karachi, Pakistan has also been done. The assay is based on the ultraviolet UV absorbance maxima at about 210nm wavelength of mefenamic acid, water is used as solvent. A sample of drug was dissolved in water to produce a solution containing mefenamic acid. Similarly, a sample of ground tablets of different brand were dissolved in water and various dilutions were made. The absorbance of sample preparation was measured at 210nm against the solvent blank and the assay was determined by comparing with the absorbance of available brand. Our results reveals that among all the five brands of clarithromycin (klaricid,klaribact,rithmo,clariteck,E-clark) Klaribact shows highest percentage assay i.e 115.3846%. Klaricid and Claritecl shows percentage assay of 107.693%. Rithmo shows a percent assay of 92.307% while E-clark shows lowest value for percentage assay 84.6153% |
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