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Open Access A validated stability indicating rapid LC method for duloxetine HCl

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The present paper describes the development of a reversed phase liquid chromatographic (RPLC) analytical method for duloxetine HCl in the presence of its impurities and degradation products generated from forced decomposition studies. The drug substance was subjected to stress conditions of hydrolysis, oxidation, photolysis and thermal degradation. The degradation of duloxetine HCl was observed under acid hydrolysis. The drug was found to be stable in other stress conditions studied. Successful separation of the drug from the synthetic impurities and degradation products formed under stress conditions was achieved on a Zorabax XDB C18, 50 mm × 4.6 mm, 5.0 micron column using a mixture of aqueous 0.1% trifluroacetic acid, methanol, tetrahydrofuran (60 : 20 : 20, v/v/v) as mobile phase. The HPLC method developed was validated with respect to linearity, accuracy, precisions, specificity and ruggedness. To our knowledge, a rapid stability indicating LC method for duloxetine HCl has not been published elsewhere.

Document Type: Research Article


Affiliations: 1: Department of Analytical Research and Development, Inogent Laboratories Pvt. Ltd., Hyderabad, India 2: Department of Analytical Research and Development, Inogent Laboratories Pvt. Ltd., No. 28A, IDA, Nacharam, Hyderabad, 500 076, A.P, India, Email:

Publication date: 2009-01-01

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  • Pharmazie is a leading journal in the field of pharmaceutical sciences. As a peer-reviewed scientific journal, Pharmazie is regularly indexed in the relevant databases like Web of science, Journal Citation Reports and many others. The journal is open for submissions from the whole spectrum of pharnaceutical sciences including Pharmaceutical Chemistry, Experimental and Clinical Pharmacology, Drug Analysis, Pharmaceutics, Pharmaceutical Biology, Clinical Pharmacy etc.
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