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- W2974992192 abstract "Consulting the national pharmacopoeia, no official quality standard was found for estimation of related substances and assay of atosiban acetate injection, of which main active component is atosiban. To solve this problem, herein, a novel high performance liquid chromatographic (HPLC) method was developed and validated in this study. A chromatographic system comprising an Inertsil ODS-2 analytical column, mobile phase-A of water (pH adjusted to 3.2 with trifluoroacetic acid)-acetonitrile-methanol (77:14:9, v/v/v), mobile phase-B of acetonitrile-methanol (65:35, v/v), a flow rate of 1.0 mL min-1 and a UV detector set at 220 nm with column temperature at 35 °C has shown simple, reproducible and specific determination for atosiban and its five related substances. Also, we combined with mass spectrometry to characterize the molecular weight and tentative structure of the impurities. Using HPLC verified methodology, results of the validation study showed that the precision, specificity and accuracy of the five impurities, good linear equation R squared was greater than 0.9993, and as such, the limit of detection and the limit of quantification have been determined. The proposed method in this study, which, to the best of our knowledge, is the most comprehensive HPLC determination applied to the routine analysis in quality control of this injection." @default.
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- W2974992192 date "2020-01-01" @default.
- W2974992192 modified "2023-09-29" @default.
- W2974992192 title "A novel HPLC method for analysis of atosiban and its five related substances in atosiban acetate injection" @default.
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- W2974992192 doi "https://doi.org/10.1016/j.jpba.2019.112808" @default.
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