What industries use 4-Chloro-1H-indole-3-carbaldehyde (CAS: 876-72-2)?

4-Chloro-1H-indole-3-carbaldehyde (CAS: 876-72-2) finds applications in the pharmaceutical industry due to its structural similarity to natural indole derivatives, which are often used as precursors for drug synthesis. It is also utilized in the synthesis of various organic materials, including polymers and sensors. Additionally, it can be used in the development of new semiconductors, although its primary use is still predominantly in pharmaceutical and organic chemistry applications.