CAS SciFinder
Substance searching
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfaa7d0b87838d7e04f5e4_cas-scifinder-n-searching-for-substance-details-2x.webp)
Searching for substance details with CAS SciFinder
Perform a substance search and effectively navigate the results.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfab76a4e83d53e478e2d8_2-_searching_references_for_substances_with_cas_scifindern.webp)
Searching references for substances with CAS SciFinder
Find references related to your substances of interest.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfabf59e8ce85fa2168b26_3-_drawing_structures_with_cas_scifindern.webp)
Drawing structures with CAS SciFinder
Draw a basic structure using the CAS Draw tool.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfac5aaedaaea8358daf7d_4-introduction_to_structure_searching_with_cas_scifindern.webp)
Introduction to structure searching with CAS SciFinder
Perform basic structure searches using a drawn structure.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfaced0934f7c71af9fa84_5-advanced_structure_searching_with_cas_scifindern.webp)
Advanced structure searching with CAS SciFinder
Perform more complex structure searches by adding variability to a drawn structure.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfad50047d64bbabd75b76_6-filtering_substance_and_structure_search_results_sets_with_cas_scifindern.webp)
Filtering substance and structure search results sets with CAS SciFinder
Use filters in structure searches to narrow results achieved through drawn structure fragments.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfadb0baef7515c0413592_7-finding_metal-containing_substances_with_cas_scifindern.webp)
Finding metal-containing substances with CAS SciFinder
Find substances containing metal, including compounds and alloys.
![](https://cdn.prod.website-files.com/650867962272bf8f15c1034b/65cfae2afd58fd9153915e43_8-cas_scifinder-n_help_documentation.webp)
CAS SciFinder help documentation
Search substances in CAS SciFinder.