Source materials for your research

Find and compare commercial supplier sources in CAS SciFinder®.

Find quantities, prices, and supplier contact information

Before heading to the lab, scientists from leading commercial, academic, and government organizations worldwide turn to CAS SciFinder to develop their research plan. Integrated throughout CAS SciFinder, CAS Commercial Sources^TM helps scientists quickly and easily find and compare commercial supplier sources for needed materials.

Filter supplier search results by preferred supplier, purity, quantity, stock status, and other criteria and click to order directly from supplier (when direct ordering is available).

Review the supplier detail page for data on a specific substance.

The market-leading index of chemicals from worldwide suppliers, this up-to-date resource contains millions of commercially available chemical products from the verified catalogs of hundreds of suppliers. Listings include available quantities, prices, and supplier contact information, many with direct order links to purchase the material on the supplier’s web site.