Chin'toka IX is the ninth planet of the Chin'toka system. It has a monsoon season. (VOY - The Brave and the Bold novella: The Third Artifact)
In 2376, Quark and Deru acquired land on Chin'toka IX from a retired Gul, paying for it in kanar and taspar eggs. Deru later tried to sell it to the Kobheerian entrepreneur Riilampe. (DS9 - Gateways novel: Demons of Air and Darkness)