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<h3>Overview</h3>
<p><strong>L-Thyroxine</strong> (CAS 51-48-9) is a synthetic thyroid hormone essential for metabolic regulation. Produced via chemical synthesis or enzymatic conversion, its molecular formula is C<sub>15</sub>H<sub>11</sub>I<sub>4</sub>NO<sub>4</sub>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Treatment of hypothyroidism and thyroid cancer suppression therapy.</li>
<li><strong>Research:</strong> Standard reagent for endocrine system studies and assay development.</li>
<li><strong>Veterinary Medicine:</strong> Management of feline and canine thyroid disorders.</li>
</ul>
<h3>Precautions</h3>
<p>Strict storage below 25°C in dry conditions is required. Handling requires PPE due to potential sensitization; dosage must be clinically monitored to prevent thyrotoxicosis.</p>