Identification and Structural Characterization of Unidentified Impurity in Bisoprolol Film-Coated Tablets

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ac/volume-2017/3047517/figures/3047517.fig.002a.svgz" name="3047517.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>HPLC/MS chromatogram of bisoprolol fumarate working standard</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ac/volume-2017/3047517/figures/3047517.fig.002b.svgz" name="3047517.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>HPLC/MS chromatogram of bisoprolol 2.5 mg film-coated tablets</td></tr></table>

<div>Typical HPLC/MS chromatograms of (a) bisoprolol fumarate working standard and (b) film-coated tablets according to HPLC/DAD/ESI-MS method.</div>

Advances in Chemistry

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Figure 2

Figure 2: Identification and Structural Characterization of Unidentified Impurity in Bisoprolol Film-Coated Tablets 