N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine Dicyclohexylamine Salt (CAS 1331894-57-5)

N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine dicyclohexylamine salt is a deuterated compound often utilized in the field of analytical chemistry for quantitative mass spectrometric analysis. The deuterium substitution at the 2-hydroxyethyl group provides a stable isotope-labeled internal standard that is used to accurately measure the concentration of N-acetyl-S-(2-hydroxyethyl)-L-cysteine, a metabolite of ethylene oxide. This compound is particularly valuable in the study of protein adduct formation and the metabolic fate of inhaled ethylene oxide. The dicyclohexylamine salt form is used to increase solubility in organic solvents, thereby facilitating its use in various sample preparations and analyses. In toxicology research, it is utilized to improve the understanding of the biotransformation of volatile organic compounds and their potential effects on biological systems. Furthermore, the use of such deuterated standards helps to enhance the precision and accuracy of biomonitoring studies.