684-93-5: N-nitroso N methyl urea
N-nitroso N methyl urea (CAS No: 684-93-5) is a derivative of the N-nitroso compound which is an anti-biotic with diabetogenic, carcinogenic and as potent inducer of diabetes, antitumoractivity thought to act via alkylation of DNA and proteins.
Kröncke, Klaus-D., et al. “Nitric Oxide Generation during Cellular Metabolization of the Diabetogenic N-Mefhyl-N-Nitroso-Urea Streptozotozin Contributes to Islet Cell DNA Damage.” Biological Chemistry Hoppe-Seyler, vol. 376, no. 3, Jan. 1995, pp. 179–86, https://doi.org/10.1515/bchm3.1995.376.3.179.?