CH4N2S is the chemical formula for thiourea, a compound that contains carbon, hydrogen, nitrogen, and sulfur. It appears as a white crystalline solid and is soluble in water. Thiourea is often used in various industrial applications, including the production of fertilizers, pharmaceuticals, and as a reagent in chemical reactions. In addition to its industrial uses, thiourea plays a role in biological systems. It can act as a source of sulfur in certain biochemical processes. Researchers also study thiourea for its potential applications in organic chemistry and material science, where it may contribute to the development of new materials and chemical processes.