cas_rn

Name

cas_rn

Description

Chemical Abstracts Service Registry Number (CAS-RN) in format XXX-XX-X or XXXX-XX-X. Primary chemical identifier used in regulatory and commercial contexts. Retrieved from CultureBotHT/MicroMediaParam mappings or external databases.

From schema

https://w3id.org/mediaingredientmech

Pattern

^\d{2,7}-\d{2}-\d$