Agentic AI grounded in trusted science
CAS Newton enables conversational scientific discovery. Ask complex, multi-part questions and receive context-based, cited answers sourced from 150+ years of curated and human-verified science found in the CAS Content Collection™, making CAS Newton the best agentic AI for science.
see it in action
When getting the science wrong isn’t an option, can you trust your AI?
When stakes are highest, you need answers that can be sourced and defended. Most AI tools were built for language, but CAS Newton is built on over 150 years of peer-reviewed scientific literature that is curated by CAS scientists and interconnected across disciplines. Every answer is sourced and cited so you can verify.
3 out of 4
Early users rated CAS Newton answers as more trustworthy than those from other AI tools
From question to discovery
CAS Newton does not just retrieve information. It reasons through it, connects it, and returns answers you can act on immediately.
A trusted scientific foundation
Every answer is grounded in the CAS Content Collection™, curated and refined by CAS scientists. Get conclusions you can stand behind because the evidence behind every output is authoritative, verifiable, and citable.
Science that goes deeper
Complex, multi-part questions become targeted search paths across chemistry, biology, and more. Science-specific capabilities including structure search, functional group reactivity, spectra prediction, and properties prediction surface what a standard search cannot reach.
Complex research that moves faster
Multi-step research workflows run autonomously. Vast reference sets become clear, actionable direction. As findings emerge, hidden relationships and trends surface across the CAS Content Collection without requiring you to manually piece results together.
Decisions you can stand behind
Get the evidence to generate hypotheses, validate assumptions, and support competitive analysis and trend identification. Verified scientific evidence sits behind every recommendation, so every decision your organization makes is defensible.
Integrated into your workflow
CAS Newton, everywhere you work
CAS Newton is available within trusted CAS solutions like CAS SciFinder®, CAS BioFinder®, and CAS IP Finder, powered by STN™. You can also experience the possibilities CAS Newton delivers in other workflow tools via CAS Connections℠.
CAS Newton in CAS SciFinder
Agentic Search and Search Summarization bring science-smart AI directly into your chemistry research workflow and reference searches. Multi-step questions get answered with cited, verifiable evidence in seconds.
Explore in CAS SciFinder →CAS Newton in CAS BioFinder
Agentic Search brings the same science-smart AI capability to your life sciences research workflow, orchestrating complex queries and returning directional answers grounded in verified biological sources.
Explore in CAS BioFinder →CAS Newton for CAS IP Finder™
Agentic search that transforms patent and IP searching with intuitive, conversational AI that understands your intent and delivers relevant insights.
Explore in CAS IP Finder →Experience CAS Newton in other tools
CAS Newton isn’t limited to CAS solutions. Through CAS Connections, the same science-smart agentic AI capability becomes available through ELNs, LIMs, discovery platforms, and other AI-driven environments your organization already uses. CAS Newton becomes a knowledge source to these tools through CAS Connections, making it possible to get cited, verifiable answers grounded in the CAS Content Collection within an existing workflow.
“
For a structural biology–driven drug discovery lab like ours, CAS Newton becomes a sophisticated medicinal chemistry partner, enabling researchers without deep chemistry training to navigate complex design challenges with confidence. This capability can dramatically accelerate our efforts against diseases such as malaria and arboviral infections.
Glaucius Oliva
Professor Senior, Universidade de São Paulo
Interact conversationally in your native language
CAS Newton removes barriers to understanding and enables you to contextualize the direction of your thinking to take full advantage of 150 years of trusted scientific knowledge.
Trust and security
Protecting your ideas and data
CAS Newton operates within a secure CAS application boundary. No user input is shared outside the solution or in cross-user model training. Every output answer can be audited, providing your compliance and IP teams with the governance foundation they require. To understand how CAS approaches responsible and ethical AI, visit the CAS approach to ethical artificial intelligence.
CAS approach to ethical AI →No cross-user training
Your queries are never used to train AI models
Private Infrastructure
All data is maintained in a secure, private environment.
User confidentiality
Search activity never shared with other users or outside CAS
Full auditability
Every AI output traceable for compliance review
Evolving research requires better tools
Researchers are facing constant pressure to move from question to insight faster. CAS Newton is designed to help meet these challenges head-on, combining trusted science with more efficient workflows. Here are a few examples of ways CAS Newton can improve your research.
Uncovering Scientific Insights
Watch CAS Newton analyze chemical structures, biological relationships, and curated research data to answer complex scientific questions.
Optimizing Synthetic Routes
Identify opportunities for synthetic efficiency and scalability as CAS Newton analyzes reactions data and associated literature.
Unlocking IP Insights
Streamline your patent research with CAS Newton, uncovering insights and opportunities with an AI-enabled analysis of patent and scientific literature.
See CAS Newton in action
Your researchers deserve AI that understands their work. See what CAS Newton makes possible for your organization.
Frequently asked questions
What is CAS Newton?
CAS Newton is an agentic AI powered by the CAS Content Collection. The AI lives within existing CAS solutions to answer your queries with well-sourced, scientific, actionable results in real-time.
How do I access CAS Newton?
CAS Newton is available to existing CAS SciFinder and CAS BioFinder users. The agentic AI is integrated directly into both solutions, allowing you to begin querying once you log in.
Does CAS Newton have usage limits?
Users may encounter daily usage limits in CAS Newton. Please contact your account representative to discuss expanded access for your organization.
Are my user search queries visible to other users?
No. CAS maintains the confidentiality of user search activity. CAS does not use user search queries for any purpose beyond providing services to that user. User search queries is not shared with other users and is protected against unintended exposure. User data is never sold or shared with other users or outside of CAS.
Will my data be used to train CAS AI models?
No. User data is anonymized and aggregated so that we can observe patterns and themes in general user behaviors. For example, we use anonymized and aggregated data to determine how to identify and prioritize product content.
CAS is committed to providing a safe and secure environment for all users, including the responsible use of AI. CAS does not leverage user search queries to build or train AI models. CAS maintains the confidentiality of user search activities in accordance with its Privacy Policy and in a manner consistent with the CAS Ethical Approach to AI.
How do I know if the results of my search query are AI-generated?
Any AI-generated output is labeled as such to ensure the user is aware.
How reliable are AI outputs in CAS Solutions? Are there hallucinations?
CAS employs robust training and testing to avoid hallucinations. Our AI solutions are built by scientists, for scientists, with accuracy at the forefront. They are rigorously trained, tested, and validated by domain experts using real scientific use cases to ensure accurate answers.
In addition, our AI primarily relies on expertly curated and indexed proprietary data rather than broad, unvetted external sources. By grounding outputs in trusted scientific content, we significantly reduce the risk of hallucinations, helping scientists work with confidence.
Where can I learn how to use CAS Newton?
View our short video tutorials and get started quickly.
How does agentic AI identify emerging technology trends in biotechnology?
CAS Newton, science-smart agentic AI available to CAS BioFinder users, identifies emerging technology trends in biotechnology by synthesizing patents, and peer-reviewed literature into evidence-backed signals across targets, pathways, and modalities. CAS Newton runs these multi-step searches across the CAS Content Collection, which includes more than 150 years of curated chemistry, biology, and intellectual property data, and cites a verifiable source for its findings.
How does CAS Newton navigate large-scale scientific data repositories?
CAS Newton navigates large-scale scientific data repositories through a conversational agent that interprets intent and retains context to help refine queries, and synthesizes results. CAS Newton grounds every answer in the CAS Content Collection, which includes more than 150 years of scientific literature curated by CAS scientists, and links results to a verifiable source.
How does CAS Newton streamline routine scientific literature reviews?
CAS Newton streamlines routine scientific literature reviews by searching large reference sets to provide relevant information complete with citations for easy review and validation. CAS Newton, available to users of CAS SciFinder, CAS BioFinder, and CAS IP Finder, grounds every answer with information found in the CAS Content Collection.
How does robust scientific data management accelerate lead optimization in drug discovery?
Robust scientific data management accelerates lead optimization in drug discovery by connecting curated bioactivity, structure-activity, ADME, toxicity, and clinical trials data so teams iterate on candidates with confidence. CAS Newton, available to CAS BioFinder users, draws on the CAS Content Collection, which includes more than 150 years of curated scientific literature, and cites the source-linked evidence behind its optimization decisions.
How does agentic AI improve the speed of chemical research workflows?
CAS Newton,science-smart agentic AI available to CAS SciFinder users, improves the speed of chemical research workflows by searching autonomously to quickly uncover hidden relationships and trends without the need for researchers to manually piece together results. . CAS Newton returns cited, verifiable answers in seconds, grounded in the CAS Content Collection, which includes more than 150 years of curated scientific literature spanning chemistry and biology.
How do AI agents retrieve verified scientific data from large databases?
AI agents retrieve verified scientific data from large databases by grounding answers in curated, expert-validated content and citing each source inline. CAS Newton, science-smart agentic AI, draws on the CAS Content Collection, which includes more than 150 years of peer-reviewed scientific literature curated by CAS scientists, to return evidence-backed responses across chemistry, biology, and IP.
What enables easy data management for small biotech startups?
Easy data management for small biotech startups starts with curated content, a secure deployment boundary, and minimal infrastructure overhead. CAS Newton offers a standalone agentic AI interface and access through CAS BioFinder, operates within a secure application boundary with no cross-user model training, and grounds its answers in the curated CAS Content Collection.
How do drug discovery platforms support high-throughput screening and chemical synthesis?
Drug discovery platforms support high-throughput screening and chemical synthesis by linking curated bioactivity, structure-activity, reaction, and properties data in one workflow, helping scientists to minimize potential candidates for high-throughput screening and identify synthesis challenges early. CAS Newton performs structure searches, functional group reactivity, spectra predictions, and properties predictions, grounded in the CAS Content Collection’s curated chemistry and life sciences data.
How does scientific data management software scale for large-scale chemical research databases?
CAS Newton runs multi-step queries across the large, human-curated CAS Content Collection and returns source-linked, auditable answers. A secure boundary keeps user input out of cross-user model training.
How does agentic AI automate chemical structure property prediction tasks?
CAS Newton automates chemical structure property prediction tasks by combining structure searches, functional group reactivity, spectra predictions, and properties predictions in one conversational, multi-step workflow. CAS Newton sources its answers from the CAS Content Collection, which includes more than 150 years of curated chemistry data.