Used as a labeled internal standard in analytical chemistry, particularly in mass spectrometry and NMR spectroscopy, for accurate quantification and identification of cresol isomers in complex mixtures.

Applied in environmental studies to trace and monitor cresol contamination in soil, water, and air, aiding in pollution assessment and remediation efforts.

Utilized in pharmaceutical research to study the metabolism and pharmacokinetics of cresol-related compounds, ensuring precise measurement in biological samples.

Supports chemical synthesis research by serving as a deuterated reagent in the preparation of isotopically labeled compounds for mechanistic studies.

Employed in forensic analysis to detect and quantify cresol derivatives in toxicological investigations, providing critical evidence in legal cases.