Searching in CAS SciFinder

Introduction

  • Introduction to Searching

    When you log in to CAS SciFinder, search options are presented at the top of the Home page. (You can click the CAS SciFinder logo to re...

Search All Result Types

  • All Search

    Conduct an All search to find substances, reactions, references, and suppliers that match your query. You can enter a text query (e.g.,...

Search Substances

Search Patent Markush

  • Find Patent Markush Structures

    Use a Patent Markush search to find structures (including generic structures) matching your query within patent references. For example...

Search Reactions

  • Find Reactions Using Search Terms

    You may find reactions using a single term or multiple search terms (including Boolean operators): Multiple terms: You may search mul...

  • Find Reactions by Chemical Structure

    To draw a structure query, click the Draw button in the search field to open the structure editor. Select the preferred structure edit...

Search References

Search Suppliers

Search CAS Lexicon

Search Sequences

  • Find Sequences - BLAST

    Find sequences that match your query, which can be a protein/nucleotide string or a .txt/.fasta file. Enter or copy and paste a protei...

  • Find Sequences - CDR

    Find sequences that match your query, which can be a protein string or a .txt/.fasta file. Enter, copy and paste, or upload a file fo...

  • Find Sequences - Motif

    Find sequences that match your query, which can be a protein/nucleotide string. Enter or copy and paste a protein/nucleotide string. S...

Search Using Structures

  • Using a Structure in Your Search

    Draw a Structure In CAS SciFinder, you may use the CAS Draw and ChemDoodle structure editors to draw structure images for use as querie...

Search History

  • Search History Page

    Completed searches are automatically recorded on the Your Search History page, accessed by clicking the Menu icon at the top of any pag...

  • Download Search History

    On the Search History page, click the Download icon . In the Download Your Search History window: File Name: You may edit the auto-g...

  • Delete Search History

    You may delete all of your past searches or those within a specified range. To begin, click the trash can icon. Select one of the foll...

  • Specify Date Range

    To display your search history for a specific date range, populate the Start Date and End Date fields in one of two ways: Enter the da...

  • Edit Search

    Click Edit Search on a Search History item to reload the query, enabling you to add/edit/delete search terms. You may edit and rerun al...