化工ETF(159870)盘中净申购超5亿份，位列深市ETF榜第二

Core Insights - The chemical sector is experiencing a significant influx of funds, with the chemical ETF (159870) seeing a net subscription of 500 million units during trading hours. This is attributed to a new direct deamination strategy developed by a research team from the University of Science and Technology of China, which allows for the replacement of stable carbon-nitrogen bonds in aromatic amines with various important chemical bonds using common and inexpensive reagents, enabling kilogram-scale synthesis [1]. Group 1 - The new technology is considered a "disruption of 140 years," as it eliminates the need for the dangerous diazonium salt intermediate, addressing safety concerns associated with traditional processes that are prone to explosions [1]. - The new method is expected to reduce the synthesis cost of certain drug intermediates, such as anticancer drugs, by 40% to 50%, benefiting multiple fine chemical sectors including pharmaceuticals, pesticides, dyes, pigments, and fragrances [1]. Group 2 - As of October 31, 2025, the top ten weighted stocks in the CSI Sub-Industry Chemical Theme Index (000813) include Wanhua Chemical (600309), Salt Lake Industry (000792), Tianci Materials (002709), Juhua Co. (600160), Cangge Mining (000408), Jinfa Technology (600143), Baofeng Energy (600989), Hualu Hengsheng (600426), Hengli Petrochemical (600346), and Yuntianhua (600096), collectively accounting for 44.83% of the index [2].