Linalool-d 6 is deuterated labeled Trans-Anethole. Trans-Anethole ((E)-Anethole), a phenylpropene derivative isolated from Foeniculum vulgare , shows estrogenic activity at lower concentrations and cytotoxic at higher concentrations in cancer cell lines. Trans-Anethole ((E)-Anethole) contributes a large component of the odor and flavor of anise and fennel, anise myrtle, liquorice, camphor, magnolia blossoms, and star anise.