N,N-Bis(2-chloroethyl)tetrahydro-4,5-d2-2H-1,3,2-oxazaphosphorin-2-amine 2-Oxide; Cycloblastin-d4;Cyclostin-d4;Cytoxan-d4; Endoxan-d4; Genoxal-d4; Hexadrin-d4; Mitoxan-d4;NSC 26271-d4;

It is a cytotoxic nitrogen mustard derivative widely used in cancer chemotherapy. It cross-links DNA, causes strand breakage, and induces mutations. Its clinical activity is associated with a decrease in aldehyde dehydrogenase 1 (ALDH1) activity. This substance is listed as a known human carcinogen.