Occupational Data Landscape
Back to results
database Updated 2026-10-07

Substance Registry Services

The Substance Registry Services (SRS) is EPA's authoritative resource for information about chemicals, biological organisms, and other substances tracked or regulated by EPA.

Go to resource

Key information

Type
database
Access rights
open access
Spatial coverage
us

Chemical identifier

cas

Domain

hazardous substances

Keyword(s)

registry chemicals organisms physical properties
LEXCES Source Schema
Title
Substance Registry Services
Abbreviation
SRS
Description
The Substance Registry Services (SRS) is EPA's authoritative resource for information about chemicals, biological organisms, and other substances tracked or regulated by EPA.
URL
https://cdxapps.epa.gov/oms-substance-registry-services/search
Owner
EPA
Contact email
https://usepa.servicenowservices.com/ecss?id=ecss_csm_get_help_1&sys_id=02f93a8f1b139410aedaa64ce54bcbf1

Identifiers

Chemical identifier CAS

Added 2026-10-07 · Updated 2026-10-07