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.001a.svgz" name="3047517.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>HPLC 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.001b.svgz" name="3047517.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>HPLC chromatogram of drug product during the shelf-life stability program</td></tr></table>

<div>Typical HPLC chromatograms of (a) bisoprolol fumarate working standard and (b) film-coated tablets according to Ph.Eur monograph for bisoprolol fumarate drug substance (Supplement 6.1 04/2008: 1710).</div>

Advances in Chemistry

fig1

Figure 1

Figure 1: Identification and Structural Characterization of Unidentified Impurity in Bisoprolol Film-Coated Tablets 