CAS SciFinder
Sequence searching
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfc967198d84a24977c9e7_1-biology-focused-reference-searching.webp)
Biology-focused reference searching with CAS SciFinder
Find concepts and utilize filters to analyze and refine sequence searches.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfc9c4a47c6abb15102474_2-performing_a_blast_sequence_search_in_cas_scifinder%E2%81%BF.webp)
Performing a BLAST sequence search in CAS SciFinder®
Use BLAST search to identify relevant sequences.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfca24d352112926ab97f7_3-advanced_blast_sequence_search_techniques_in_cas_scifinder.webp)
Advanced BLAST sequence search techniques in CAS SciFinder
Upload multiple sequences to search at one time.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfcaba5fe42cc749bbe2ef_4-performing_a_cdr_sequence_search_in_cas_scifinder.webp)
Performing a CDR sequence search in CAS SciFinder
Use CDR search to identify relevant sequences.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfcbf4132b441a925736a4_6-cas_scifinder_help_documentation.webp)
CAS SciFinder® help documentation
How to search sequences in CAS SciFinder.