We are Pleased to invite you for 4th Global Congress on chemistry and catalysis conference which is going to be held at Valencia , Spain during June 21-22, 2023. GCC-2023 is being organised around the overarching theme “Modifying Chemistry with the Novelties that Accomplish Future Goals” emphasising the crucial role that chemistry plays at the intersections of material science, engineering, biology, and environmental science, both for the advancement of humanity and for the resolution of fundamental issues facing contemporary societies.