a unique identifier for a chemical substance, a unique numeric identifier with no chemical significance. It includes up to 9 digits which are separated into 3 groups by hyphens. The first part of the number, starting from the left, has up to 6 digits, the second part has 2 digits, and the final part consists of a single check digit.
a unique identifier for a chemical substance, a unique numeric identifier with no chemical significance. It includes up to 9 digits which are separated into 3 groups by hyphens. The first part of the number, starting from the left, has up to 6 digits, the second part has 2 digits, and the final part consists of a single check digit.
CAS number . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/CAS%20number/1/est (01.07.2026)
