*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>J&K L-Cystine, 99% is a high-purity oxidized dimer of the essential amino acid L-cysteine. Produced via controlled oxidation and crystallization, it serves as a critical building block in peptide synthesis. The compound features the molecular formula <strong>C6H12N2O4S2</strong> and CAS number <strong>56-89-3</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Used as an antioxidant and antidote for acetaminophen overdose.</li>
<li><strong>Nutrition:</strong> Added to infant formulas and dietary supplements for protein support.</li>
<li><strong>Cosmetics:</strong> Incorporated into hair care products to restore disulfide bonds.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from light. Avoid inhalation of dust; wear appropriate PPE including gloves and eye protection. Not intended for direct clinical injection without formulation.</p>