Uracil Mustard: A Potent Inducer of Lung Tumors in Mice

Abstract
Uracil mustard, injected intraperitoneally, increased the incidence and average number of pulmonary tumors in A/J mice. In comparison to a typical alkylating agent, nitrogen mustard, or to urethan, uracil mustard (on a molar basis) was considerably more carcinogenic.