A chemical vapor deposition raw material for producing a platinum thin film or a platinum compound thin film by a chemical vapor deposition method, wherein the chemical vapor deposition raw material includes an organoplatinum compound having cyclooctadiene and alkyl anions coordinated to divalent platinum, and the organoplatinum compound is represented by the following formula. Here, one in which R1 and R2 are any combination of propyl and methyl, propyl and ethyl, or ethyl and methyl is particularly preferred. wherein R1 and R2 are alkyl groups, and R1 and R2 are different; and a number of carbon atoms of R1 and R2 is 3 to 5 in total.