Dillapiole is an organic chemical compound and essential oil commonly extracted from dill weed, though it can be found in a variety of other plants such as fennel root.

[1] This compound is closely related to apiole, having a methoxy group positioned differently on the benzene ring.

[2][3] Dillapiole works synergically with certain insecticides like pyrethrins similarly to piperonyl butoxide, which likely results from inhibition of the MFO enzyme of insects.

[4] No carcinogenicity was detected with parsley apiol or dill apiol in mice.

[5] This article about an aromatic compound is a stub.