Substance Registry Services
Updated 2026-03-25
The Substance Registry Services (SRS) is EPA's authoritative resource for information about chemicals, biological organisms, and other substances tracked or regulated by EPA.
Type
Chemical identifier
Access rights
Domain
Keyword(s)
Spatial coverage
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.
Owner
EPA
Identifiers
Chemical identifier
CAS
Created: 2026-03-25
Last updated: 2026-03-25