N-Nitrosodiethylamine (Standard) is the standard substance of N-Nitrosodiethylamine, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. N-Nitrosodiethylamine (NDEA) is a carcinogenic dialkylnitrosamine commonly found in water, tobacco smoke, cheddar cheese, pickled foods, fried foods, and various alcoholic beverages; it is associated with alterations in nucleases involved in DNA repair and replication, targets organs such as the nasal cavity, trachea, lungs, esophagus, and liver to induce tumors in animals, and is most commonly used to induce liver cancer models.