N-Deacetyl-N-formylcolchicine (N-Formyl-N-deacetylcolchicine, Compound 11) is a selective inhibitor targeting the colchicine binding site on tubulin. It exhibits antiproliferative activity against various cancer cell lines, with IC50 values ranging from 32.61 to 100.28 nM. This compound inhibits microtubule polymerization, blocking cell division, inducing apoptosis in cancer cells, and suppressing cellular migration. N-Deacetyl-N-formylcolchicine shows potential for research in lung cancer and other solid tumors.