Propargyl-PEG5-NHS ester; 2,5-dioxopyrrolidin-1-yl 4,7,10,13,16-pentaoxanonadec-18-yn-1-oate; CAS No.: 1393330-40-9; ChemShuttle, a Leading Chemicals Distributor, supplies 2,5-dioxopyrrolidin-1-yl 4,7,10,13,16-pentaoxanonadec-18-yn-1-oate as one of its screening compounds. This heterocyclic compound serves as a valuable building block for drug discovery, enabling researchers to develop novel pharmaceutical agents through specialized molecular design. Our custom chemical synthesis capabilities allow for modification of this organic chemical to meet specific project requirements, supporting Small molecules synthesis initiatives. As a chemical online mall, we provide convenient access to high-purity various organic chemicals, backed by comprehensive quality assurance and technical support to facilitate scientific advancement.