N-Nitrosodiethylamine-d10 is primarily used as an analytical reference standard and internal standard in chromatographic and mass spectrometric methods for the detection and quantification of nitrosamines in pharmaceuticals food products environmental samples and biological matrices.

Its purpose is to provide accurate and reliable quantification of N-nitrosodiethylamine and related nitrosamines by compensating for sample preparation losses matrix effects and instrument variability during analytical testing.

N-Nitrosodiethylamine-d10 is a stable isotope-labeled compound chemically similar to N-nitrosodiethylamine but distinguishable by mass spectrometry due to its deuterium content making it valuable for trace-level analytical measurements and method validation studies.