CoAs3 is a chemical compound composed of cobalt and arsenic, specifically in a ratio of 1:3. It is categorized as a type of intermetallic compound, which means it has a unique structure and properties that differ from those of its individual elements. CoAs3 is known for its interesting electrical and magnetic properties, making it a subject of study in materials science. This compound can be synthesized through various methods, including solid-state reactions. CoAs3 has potential applications in electronics and thermoelectric materials due to its ability to conduct electricity while maintaining thermal insulation. Researchers continue to explore its characteristics for various technological advancements.