The 3rd International Conference on Catalysis, Chemical Science and Technology (ICCST 2025) will take place in Singapore from December 3rd-5th, 2025, featuring plenary forums, breakout sessions, and poster exhibitions on topics such as organic synthesis, metallic catalysis, electrocatalysis, and sustainable chemistry. This hybrid event will bring together leading scientists from academia, research institutes, and industry to exchange insights and foster new collaborations.