PharmaBlock Sciences (Nanjing), Inc. provides chemistry products and services throughout the pharmaceutical research and development, and commercial production. It offers medicinal chemistry-oriented SAR/SPR tool kits for molecule design; building blocks enabled libraries, including fragment based drug discovery, DNA encoded library technology, and mega virtual library screening to support the discovery of novel hit compounds; custom synthesis (FFS); and Full Time Equivalent (FTE). The company also provides small molecule drug substance CDMO services, including optimal route scouting; FFS and FTE for process research and development of RSMs, intermediates, and APIs; impurity studies and synthesis; solid state chemistry; analytical development and quality control; cGMP manufacturing of intermediates and APIs; and CMC regulatory filing support. In addition, it offers small molecule DP CDMO services, such as candidate screening and selection, early development, and full development; and new modality services, including target protein degrader, peptide, oligonucleotide, and ADC services. The company was founded in 2006 and is based in Nanjing, the People's Republic of China.