Streamline your synthesis planning and chemical vendor search
Plan your next synthesis faster with CAS SciFinder®. Create integrated workflows with our human-curated chemical substance database, reaction schemes, chemical suppliers, and more.
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Explore reactions validated by experts
Access the latest reaction data and insights from our comprehensive chemical substance database. All the information is indexed and annotated by CAS experts daily, from global journals, patents, dissertations, and reference works.
Go directly to the reaction you need
Fine-tune your reactions search with innovative filters in CAS SciFinder. Quickly refine your results set based on your specific needs with indexed filter options, such as Substance Role, Yield, and Number of Steps.
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Uncover details for any reaction
Dive deeper into any reaction scheme and get additional insights with a single click. Find all the information you need for every curated CAS Reaction, including chemical Transformations, links to the source material, pertinent Reaction Notes, and chemical vendors.
Find chemical vendors
Quickly find and compare commercial sources for solvents, reagents, catalysts, intermediates, and more with our chemical supplier database. Get important details like available quantities, prices, and supplier contact information, and refine your supplier search using filters like Purity, Quantity, and Stock Status to identify the perfect chemical supplier for you.
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Learn more about reactant properties
Seamlessly explore verified reactant information needed to perform your next synthesis and plan safety controls before you even enter the lab. Every compound in our chemical substance database, CAS REGISTRYⓇ, includes an exhaustive breakdown of key details like Chemical Properties, Toxicity, and GHS Hazard Statements.
Go from concept to planning to reaction faster than ever
Optimize your synthesis workflows using CAS SciFinder. With innovative features designed for chemists, your reaction planning has never been easier.