1-(Cyclopropylcarbonyl)piperazine

It is also used as a building block in organic synthesis for creating complex molecules, and as a reference standard in analytical chemistry for method validation and quality control. 1-(Cyclopropylcarbonyl)piperazine is used mainly as a key intermediate in the synthesis of pharmaceuticals, most notably the API (Active Pharmaceutical Ingredient) Olaparib, as well as other drugs like Esaprazole analogs.