CRAC intermediate 2 is primarily utilized in the research and development of calcium release-activated calcium (CRAC) channel inhibitors. These channels play a critical role in cellular calcium signaling, which is essential for various physiological processes, including immune response and cell proliferation. By targeting CRAC channels, this intermediate aids in the study of potential therapeutic agents for conditions such as autoimmune diseases, inflammation, and certain types of cancer. Its application is particularly significant in the synthesis of compounds that modulate immune cell activity, offering insights into novel treatment strategies for disorders linked to dysregulated calcium signaling.