Ultra-Fast Delivery
Typical lead time: 2–4 weeks
Fully automated synthesis
Streamlined workflow, utilizing agentic AI
In stock starting materials
Virtual, Automated, Swift, and Tailored for drug discovery
Explore VAST, an enumerated virtual chemical space crafted from in-stock building blocks and validated reactions. They are synthetically accessible ensured by XtalPi’s AI models built upon extensive proprietary data. Our automated synthesis platform provides ultra-fast delivery within 2–4 weeks to accelerate your projects. Tailored library design and follow-up synthesis are also available for your specific needs.
Our diverse AI-powered solutions address challenges across drug discovery, materials R&D and more—accelerating scientific progress.
Download novel virtual library compounds that are synthetically accessible in 1–2 steps. The Primary Set offers quick and cost-efficient access, while the Advanced Set expands to a larger and more diverse chemical space. The Ro5 set is a drug-like subset that meets the Ro5 and Weber criteria (MW≤500, clogP≤5, HBA≤10, HBD≤5, RotBonds≤10, TPSA≤140) and excludes compounds containing PAINS structural alerts. The beyond Ro5 subset is accessible separately and provides a complement to the conventional drug-like space.
Download diverse subsets that represent the full VAST space. The Primary Set offers quick and cost-efficient access, while the Advanced Set expands to an expanded chemical space. The Ro5 set meets the Ro5 and Weber criteria (MW≤500, clogP≤5, HBA≤10, HBD≤5, RotBonds≤10, TPSA≤140) and excludes compounds containing PAINS structural alerts. Analogue search and hit expansion is available for follow-up exploration once a hit is identified.

Following hit identification, we deliver tailored focused library design and hit expansion services—complemented by rapid follow-up synthesis powered by 150 automation-ready reaction protocols expedite your hit optimization workflows with precision and efficiency.
Drug-like rules-compliant physicochemical property profiles of the Ro5 subset of VAST library.

XtalPi is dedicated to revolutionizing compound synthesis by automation, AI, and big data. Try VAST in your virtual screening and drug discovery and experience rapid delivery and hit expansion. Watch our video for a cloud lab tour of our automation facility. Contact us today to learn more!