cis-Bis(triphenylphosphine)platinum(II) dichloride, also known as cisplatin, is a coordination complex widely studied for its diverse applications in chemistry, medicine, and materials science. This compound consists of a platinum(II) center coordinated to two triphenylphosphine ligands and two chloride ions, arranged in a cis configuration. Its distinctive structure and reactivity have made it a subject of extensive research and practical use.