2h,3hthieno[3,4b][1,4]dioxine5carbonitrile

2H,3H-thieno[3,4-b][1,4]dioxine-5-carbonitrile, with CAS No. 859851-02-8, is a fragment molecule that serves as an important scaffold for molecular linking, expansion, and modification. 2H,3H-thieno[3,4-b][1,4]dioxine-5-carbonitrile provides a structural basis and research tool for the design and screening of novel drug candidates, and is commonly used in drug discovery, drug synthesis, and related research.