1. Xanthatin has cytotoxic activity. 2. Xanthatin has antibacterial and antifungal activies against MRSA. 3. Xanthatin may have therapeutic potential against NSCLC. 4. Xanthatin can inhibit murine melanoma B16-F1 cell proliferation possibly associated with activation of Wnt/beta-catenin pathway and its activity against melanoma tumor might also be relevant to inhibition of angiogenesis.