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<h3>Overview</h3>
<p><strong>Fondaparinux sodium</strong> is a synthetic pentasaccharide anticoagulant used to inhibit Factor Xa. Produced via chemo-enzymatic synthesis, its molecular formula is C<sub>25</sub>H<sub>34</sub>NaO<sub>20</sub>S<sub>3</sub> (CAS: 169114-00-3).</p>
<h3>Application</h3>
<ul>
<li>Prevention of venous thromboembolism in orthopedic surgeries.</li>
<li>Treatment of acute deep vein thrombosis combined with warfarin.</li>
<li>Management of unstable angina and non-ST-elevation myocardial infarction.</li>
</ul>
<h3>Precautions</h3>
<p>Contraindicated in severe renal impairment (CrCl <30 mL/min). Store at controlled room temperature away from light. Strict aseptic handling required due to parenteral administration risks.</p>