Abstract
Background: Parecoxib sodium (PCX), the selective cyclooxygenase (COX)-2 inhibitor, has aroused great interests among researchers mainly because of its central role in analgesic and antiinflammatory effects in a wide range of perioperative or postoperative procedures. The aim of the current study was to develop and validate a precise, accurate, and specific HPLC method systematically which could accomplish the stability indicating of PCX bulk drug and qualitation and quantization for the formed main impurity under the stressed conditions. Keywords: HPLC-UV/DAD, parecoxib sodium, stability-indicating, degradation products, validation, titrimetric method.
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