L-Homocystine
L-Homocystine, identified by CAS number 626-72-2, is a non-proteinogenic sulfur-containing amino acid that functions as the disulfide dimer of L-homocysteine. Structurally, it is characterized by two homocysteine molecules linked by a disulfide bridge, distinguishing it from cystine by the presence of an additional methylene group in each amino acid chain. This compound typically presents as a white crystalline solid and is valued in the chemical industry for its specific reactivity and role in sulfur metabolism pathways.
In research and industrial contexts, L-Homocystine is utilized primarily as a biochemical reagent and a precursor in organic synthesis. It plays a critical role in studies involving the transsulfuration pathway and methionine cycle, serving as a stable form of homocysteine for laboratory applications. Proper handling is essential, as the material should be stored in a cool, dry environment to maintain its chemical integrity and prevent unwanted oxidative reactions during processing.
• In biochemical research, L-Homocystine serves as a vital substrate for investigating sulfur-containing amino acid metabolism. It is frequently employed in enzymatic assays and metabolic studies to understand the regulation of the methionine cycle and the conversion of homocysteine into other essential metabolites within biological systems.
• The compound is widely used as a key intermediate in the synthesis of various pharmaceutical and specialty chemical derivatives. Its unique disulfide linkage and functional groups allow for the creation of complex molecules, including sulfur-based ligands and bioactive analogs used in medicinal chemistry exploration.
• Within the diagnostic and analytical sectors, L-Homocystine is utilized as a reference standard or reagent in the development of assays for detecting sulfur metabolites. It assists in the calibration of high-performance liquid chromatography (HPLC) and mass spectrometry systems, ensuring accuracy in the quantification of related amino acids in complex samples.
• It also finds application in the formulation of specialized cell culture media and nutritional supplements for research purposes. By providing a stable source of sulfur-containing precursors, it supports the growth and maintenance of specific cell lines that require precise control over their amino acid environment to study cellular stress and redox signaling.
Product Name: L-Homocystine
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