Quinapril was patented in 1980 and came into medical use in 1989.[3] It is available as a generic medication.[4] A month supply in the United Kingdom costs the NHS about £4 as of 2019.[4] In the United States the wholesale cost of this amount is about US$3.50.[5] In 2017, it was the 269th most commonly prescribed medication in the United States, with more than one million prescriptions.[6][7]