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<p>Xanthine is subsequently converted to <a href="page.php?w=uric_acid">uric acid</a> by the action of the <a href="page.php?w=xanthine_oxidase">xanthine oxidase</a> enzyme.</p>

<p><big>Use and production</big></p>
<p>Xanthine is used as a <a href="page.php?w=drug">drug</a> <a href="page.php?w=precursor_%28chemistry%29">precursor</a> for human and animal medications, and is produced as a <a href="page.php?w=pesticide">pesticide</a> ingredient.</p>

<p><big>Clinical significance</big></p>
<p>Derivatives of xanthine (known collectively as <b>xanthines</b>) are a</p><p>
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