Search and Retrieve

Search by List

To search, you must select a list name. Choose additional search criteria to narrow your selection.  Then press the Search button.

List Information
Please select a list from the menu below. This may be an EPA application/system, statute/regulation, ad hoc, or other external list that contains substance data.
To select a list, enter a list name (or acronym), then click "Filter" to narrow the number of lists displayed below.

After clicking "Filter," select the list you would like to search on by clicking it.

Advanced Search Criteria

Please enter a CAS Name, Biological Name, EPA Registry Name or other Synonym

Contains Begins With Exact Match

Please enter a CAS Number, TSN, or EPA Identifier

Narrow your Search by identifying whether the Substance is a Chemical, Biological Organism, Physical Property, Miscellaneous Object, or Not Known
Substance With Components Substance Without Components Both

Press and hold the 'CTRL' key while left-clicking to select or deselect multiple characteristics.
Current Substances Only Pending Substances Only Both Pending and Current Substances

Alternate Identifiers
To Search by Alternate Identifier, please select an Alternate Identifer Context.