SIMULTANEOUS QUANTIFICATION OF PARACETAMOL, GUAIFENESIN AND PHENYLEPHRINE HYDROCHLORIDE BY STABILITY-INDICATING RP-HPLC IN PHARMACEUTICAL TABLETS
A simple, accurate, and precise reverse-phase high-performance liquid chromatography method was for developed simultaneously estimating paracetamol, guaifenesin, and phenylephrine hydrochloride in a combined dosage form. An Inertsil ODS-3V C18 column (250 mm × 4.6 mm, 5 µm) was used to separate the samples. The mobile...