Overview
Trimethyllysine (TML) is a modified amino acid derived from lysine through post-translational methylation. It serves as a metabolic precursor in the biosynthesis of L-carnitine, a molecule essential for fatty acid metabolism. TML is primarily studied in biochemistry and nutrition due to its role in mitochondrial energy production. In industrial contexts, TML is synthesized for use in pharmaceuticals, particularly in formulations targeting metabolic disorders. Its high purity forms are also employed in research to investigate methylation pathways and epigenetic regulation.
Physical and Chemical Properties
Trimethyllysine is a white crystalline solid with a molecular weight of 188.27 g/mol. It is hygroscopic, requiring careful storage to prevent moisture absorption. The compound is optically active, with the biologically relevant L-form being the most commonly used. Its solubility in water makes it suitable for aqueous applications, while its stability under recommended conditions ensures longevity in storage. The melting point is observed around 260-265°C, though it may decompose at higher temperatures. Analytical methods like HPLC and NMR are typically used to verify its purity and structure.
Main Applications
TML's primary application lies in the synthesis of L-carnitine, a nutrient critical for transporting fatty acids into mitochondria. This makes it valuable in nutraceuticals aimed at improving energy metabolism, such as sports supplements and clinical nutrition products. In pharmaceuticals, TML is investigated for its potential in treating metabolic syndromes and cardiovascular diseases. Research-grade TML is also utilized in epigenetics studies to explore methylation effects on protein function. Additionally, it serves as a reference standard in analytical chemistry for quality control in related compounds.
Safety and Storage
Trimethyllysine is generally considered safe for handling in controlled environments, but standard laboratory precautions should be followed. Personal protective equipment (PPE) like gloves and goggles is recommended to avoid irritation from prolonged exposure. Storage requires protection from light and moisture, ideally in sealed containers at 2-8°C. Long-term stability is maintained under these conditions, though periodic checks for clumping or discoloration are advised. Disposal should comply with local regulations for organic compounds.
B2B Procurement Guide
When procuring TML, prioritize suppliers that provide certificates of analysis (CoA) detailing purity (≥98%), enantiomeric excess (for L-form), and absence of heavy metals. Bulk buyers should confirm compliance with Good Manufacturing Practices (GMP) if intended for pharmaceutical use. Pricing varies based on quantity and purity, with research-grade material commanding higher costs. Lead times may apply for custom syntheses. Consider partnering with specialized biochemical distributors to ensure consistent quality and regulatory support.
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