SciFindern is the new platform for the Chemical Abstracts Service. Access SciFindern with your existing username and password. Please note that you must be connected to the Yale network. See Off-Campus Access to E-Resources.
Connect to: SciFindern
The legacy version of SciFinder was retired on July 1, 2022. Please transition to SciFinder-n. Contact Andy Shimp with questions.
CAS SciFindern is the latest scientific information solution from CAS, a division of the American Chemical Society. In addition to the reference, substance, reaction and supplier content found in SciFinder web, CAS SciFindern includes relevance-ranked results, step-by-step procedures and protocols, citation mapping, biosequence searching, retrosynthetic analysis, patent landscape mapping, and touch-screen enabled structure drawing.
SciFinder is available for Yale students, postdoctoral fellows, faculty, visiting scholars, and staff.