Enables chloride ion binding activity; identical protein binding activity; and secondary active transmembrane transporter activity. Involved in response to organic cyclic compound and sodium-independent organic anion transport. Acts upstream of or within organic anion transport. Located in caveola. Part of protein-containing complex. Orthologous to human SLC22A6 (solute carrier family 22 member 6). [provided by Alliance of Genome Resources, Apr 2022]