5-nitroindolin-2-one wani sinadari ne mai amfani da dama a fannin magunguna, sinadarai na noma, da kuma kimiyyar kayan halitta. An san shi da tsarin kwayoyin halitta na musamman, wannan sinadari yana aiki a matsayin tubalin gini mai amfani wajen hada nau'ikan kwayoyin halitta daban-daban da kuma sinadarai na musamman.