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• Solvents and Organic Chemicals Organic Compounds Organic acids and derivatives Organic sulfonic acids and derivatives Organosulfonic acids and derivatives Organosulfonic acid esters

Ethyl-d5 Methanesulfonate (CAS No. 1219795-44-4): An Overview of a Versatile Deuterated Reagent

Ethyl-d5 Methanesulfonate (CAS No. 1219795-44-4) is a deuterated reagent that has gained significant attention in the fields of organic synthesis, pharmaceutical research, and analytical chemistry. This compound is a deuterated analog of ethyl methanesulfonate, where the hydrogen atoms in the ethyl group are replaced by deuterium atoms. The presence of deuterium atoms imparts unique properties to the molecule, making it valuable for various applications, particularly in the study of metabolic pathways and the development of stable isotope-labeled compounds.

The chemical structure of Ethyl-d5 Methanesulfonate consists of a methanesulfonyl group attached to a deuterated ethyl group. The molecular formula is C₃D₅O₃S, and its molecular weight is approximately 137.18 g/mol. The compound is typically provided as a colorless liquid and is soluble in common organic solvents such as dichloromethane, acetonitrile, and ethanol. Its physical and chemical properties are similar to those of its non-deuterated counterpart, but with enhanced stability due to the presence of deuterium atoms.

In organic synthesis, Ethyl-d5 Methanesulfonate is used as a leaving group in substitution reactions, particularly in the synthesis of deuterated compounds. The use of deuterium-labeled reagents allows researchers to track the fate of specific atoms in complex reaction pathways, providing valuable insights into reaction mechanisms and kinetic studies. Recent research has shown that deuterated reagents can significantly improve the accuracy and reliability of these studies by reducing isotopic exchange and enhancing the stability of intermediate compounds.

In pharmaceutical research, Ethyl-d5 Methanesulfonate plays a crucial role in the development of stable isotope-labeled drugs. Deuterium labeling can alter the metabolic profile of drugs, potentially leading to improved pharmacokinetic properties such as increased half-life and reduced toxicity. For example, a study published in the Journal of Medicinal Chemistry demonstrated that deuterium-labeled analogs of certain drugs exhibited enhanced stability and reduced metabolism compared to their non-deuterated counterparts. This finding has significant implications for drug design and optimization.

The use of Ethyl-d5 Methanesulfonate in analytical chemistry is another area where its unique properties are leveraged. Deuterated internal standards are essential for accurate quantification in mass spectrometry-based analyses. These standards help to correct for matrix effects and instrumental variations, ensuring reliable and reproducible results. A recent study in the Journal of Chromatography A highlighted the effectiveness of using deuterated internal standards in liquid chromatography-mass spectrometry (LC-MS) analyses, demonstrating improved precision and accuracy in quantitative measurements.

Beyond its applications in research, Ethyl-d5 Methanesulfonate also finds use in industrial processes where stable isotope-labeled compounds are required. The compound's stability and reactivity make it suitable for various synthetic transformations, including alkylation reactions and sulfonation processes. In these applications, the use of deuterium-labeled reagents can help to optimize reaction conditions and improve product yields.

The safety profile of Ethyl-d5 Methanesulfonate is an important consideration for its handling and use. While it shares many properties with its non-deuterated counterpart, the presence of deuterium atoms generally confers increased stability and reduced reactivity. However, standard safety precautions should still be followed when handling this compound, including proper ventilation, personal protective equipment (PPE), and adherence to laboratory safety protocols.

In conclusion, Ethyl-d5 Methanesulfonate (CAS No. 1219795-44-4) is a versatile deuterated reagent with a wide range of applications in organic synthesis, pharmaceutical research, and analytical chemistry. Its unique properties make it an invaluable tool for researchers seeking to gain deeper insights into reaction mechanisms, optimize drug design, and improve analytical methods. As research continues to advance in these fields, the importance of deuterated reagents like Ethyl-d5 Methanesulfonate is likely to grow, driving further innovation and discovery.

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