CAS REGISTRY® and CAS Registry Numbers® are universal standards for definitive identification of chemical substances and relied upon worldwide by scientists and manufacturers needing authoritative information.
Nomenclature and Registration
- Get complete and reliable substance data.
- Request a new CAS Registry Number or match your chemical name or CAS Registry Numbers to other needed substance data.
Inventory Expert Service
- Ensure accuracy of regulatory submissions.
- Meet requirements for PMN applications by requesting CA Index Names and CAS Registry Numbers from the experts.
Licensing CAS REGISTRY Data
- Reliable substance data to fuel your solutions.
- License data from CAS REGISTRY, including CAS RNs, to improve digital R&D workflows and ensure compliance for public use.