4-Bromo-7H-pyrrolo[2,3-d]pyrimidine

4-Bromo-7H-pyrrolo[2,3-d]pyrimidine , with CAS No. 889939-42-8, is a fragment molecule that serves as an important scaffold for molecular linking, expansion, and modification. 4-Bromo-7H-pyrrolo[2,3-d]pyrimidine 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.