Abstract − Analytical Sciences, 28(3), 305 (2012).
Separation and Determination of Process-Related Impurities of Erlotinib Using Reverse-Phase HPLC with a Photo-Diode Array Detector
Chandrashekara KARUNAKARA, Udupi APARNA, Venkateshappa CHANDREGOWDA, and Chandrasekara G. REDDY
Vittal Mallya Scientific Research Foundation (VMSRF), #94/3 & 94/5, 23 Cross, 29 Main, BTM II Stage, Bengaluru-560076, India
A simple and rapid reverse-phase high-performance liquid chromatographic (HPLC) method for the simultaneous separation and determination of erlotinib and its process-related impurities in bulk drugs has been developed. Five process-related impurities of erlotinib have been separated on an Inerstsil ODS-3V (C18) column and detected at 254 nm using a photo diode array (PDA). This HPLC method was successfully applied to the analysis of erlotinib bulk drug. The recoveries of erlotinib and process-related impurities were in the range of 92.86 – 106.23%, and found to be specific, precise and reliable for the determination of unreacted raw materials, intermediates in the reaction mixtures and bulk drugs.
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